Activation of Drosophila sodium channels promotes modification by deltamethrin

Vais, H., Williamson, M. S., Goodson, S. J., Devonshire, A. L., Warmke, J. W., Usherwood, P. N. R. and Cohen, C. J. 2000. Activation of Drosophila sodium channels promotes modification by deltamethrin. Journal Of General Physiology. 115, pp. 305-318.

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Walsh, L. E., Schmidt, O., Williamson, M. S. and Gaffney, M. T. 2020. In-field prevalence of resistant grain aphid Sitobion avenae (Fabricius) . Biology and Environment Proceedings of the Royal Irish Academy. 120B (1), pp. 29-38. https://doi.org/10.3318/bioe.2020.05

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Mutations in the voltage-gated sodium channel gene associated with deltamethrin resistance in commercially sourced Phytoseiulus persimilis

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Assessing the acute toxicity of insecticides to the buff-tailed bumblebee (Bombus terrestris audax)

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Reid, R. J., Troczka, B. J., Kor, L., Randall, E., Williamson, M. S., Field, L. M., Nauen, R., Bass, C. and Davies, T. G. E. 2020. Assessing the acute toxicity of insecticides to the buff-tailed bumblebee (Bombus terrestris audax) . Pesticide Biochemistry and Physiology. 166, p. 104562. https://doi.org/10.1016/j.pestbp.2020.104562

A flavin-dependent monooxgenase confers resistance to chlorantraniliprole in the diamondback moth, Plutella xylostella

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Mallott, M., Hamm, S., Troczka, B. J., Randall, E., Pym, A., Grant, C., Baxter, S., Vogel, H., Shelton, A.M., Field, L. M., Williamson, M. S., Paine, M., Zimmer, C.T., Slater, R., Elias, J. and Bass, C. G. 2019. A flavin-dependent monooxgenase confers resistance to chlorantraniliprole in the diamondback moth, Plutella xylostella. Insect Biochemistry and Molecular Biology. 115, p. 103247. https://doi.org/10.1016/j.ibmb.2019.103247

Identification and functional characterisation of a novel N-cyanoamidine neonicotinoid metabolising cytochrome P450, CYP9Q6, from the buff-tailed bumblebee Bombus terrestris

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Troczka, B. J., Homem, R. A., Reid, R., Beadle, K., Kohler, M, Zaworra, M, Field, L. M., Williamson, M. S., Nauen, R., Bass, C. and Davies, T. G. E. 2019. Identification and functional characterisation of a novel N-cyanoamidine neonicotinoid metabolising cytochrome P450, CYP9Q6, from the buff-tailed bumblebee Bombus terrestris. Insect Biochemistry and Molecular Biology. 111 (103171). https://doi.org/10.1016/j.ibmb.2019.05.006

First evidence of retained sexual capacity and survival in the pyrethroid resistant Sitobion avenae (F.) (Hemiptera: Aphididae) SA3 super-clone following exposure to a pyrethroid at current field-rate.

A - Papers appearing in refereed journals

Walsh, L. E., Gaffney, M. T., Malloch, G. L., Foster, S. P., Williamson, M. S., Mangan, R. and Purvis, G. 2019. First evidence of retained sexual capacity and survival in the pyrethroid resistant Sitobion avenae (F.) (Hemiptera: Aphididae) SA3 super-clone following exposure to a pyrethroid at current field-rate. Irish Journal of Agricultural and Food Research. 58 (1), pp. 21-26. https://doi.org/10.2478/ijafr-2019-0003

The evolution of multiple-insecticide resistance in UK populations of tomato leafminer, Tuta absoluta

A - Papers appearing in refereed journals

Grant, C., Jacobson, R., Ilias, A., Berger, M., Vasakis, E., Bielza, P., Zimmer, C. T., Williamson, M. S., Ffrench-Constant, R. H., Vontas, J., Roditakis, E. and Bass, C. 2019. The evolution of multiple-insecticide resistance in UK populations of tomato leafminer, Tuta absoluta. Pest Management Science. https://doi.org/10.1002/ps.5381

Genomic insight into neonicotinoid sensitivity in the solitary bee Osmia bicornis

A - Papers appearing in refereed journals

Beadle, K., Singh, K. S., Troczka, B. J., Randall, E., Zaworra, M., Zimmer, C. T., Hayward, A., Reid, R., Kor, L., Kohler, M., Buer, B., Nelson, D. R., Williamson, M. S., Davies, T. G. E., Field, L. M., Nauen, R. and Bass, C. 2019. Genomic insight into neonicotinoid sensitivity in the solitary bee Osmia bicornis. PLOS Genetics. 15 (2), p. e1007903. https://doi.org/10.1371/journal.pgen.1007903

Function and pharmacology of glutamate-gated chloride channel exon 9 splice variants from the diamondback moth Plutella xylostella

A - Papers appearing in refereed journals

Wang, X., O´Reilly, A. O., Williamson, M. S., Puinean, A. M., Yang, Y., Wu, S. and Wu, Y. 2019. Function and pharmacology of glutamate-gated chloride channel exon 9 splice variants from the diamondback moth Plutella xylostella. Insect Biochemistry and Molecular Biology. 104, pp. 58-64. https://doi.org/10.1016/j.ibmb.2018.12.005

Extension of Partial Gene Transcripts by Iterative Mapping of RNA-Seq Raw Reads

A - Papers appearing in refereed journals

Singh, K. S., Troczka, B. J., Beadle, K., Field, L. M., Davies, T. G. E., Williamson, M. S., Nauen, R and Bass, C. 2019. Extension of Partial Gene Transcripts by Iterative Mapping of RNA-Seq Raw Reads. IEEE-ACM Transactions on Computational Biology and Bioinformatics. 16 (3), pp. 1036-1041. https://doi.org/10.1109/TCBB.2018.2865309

International Program to Monitor Cat Flea Populations for Susceptibility to Imidacloprid.

A - Papers appearing in refereed journals

Rust, M.K., Blagburn, B. L., Denholm, I., Dryden, M. W., Payne, P., Kopp, S. and Williamson, M. S. 2018. International Program to Monitor Cat Flea Populations for Susceptibility to Imidacloprid. Journal of Medical Entomology. 55 (5), pp. 1245-1253. https://doi.org/10.1093/jme/tjy092

A single mutation is driving resistance to pyrethroids in European populations of the parasitic mite, Varroa destructor

A - Papers appearing in refereed journals

Gonzalez-Cabrera, J., Bumann, H., Rodriguez-Vargas, S., Kennedy, P.J., Krieger, K., Altreuther, G., Hertel, A., Hertlein, G., Nauen, R. and Williamson, M. S. 2018. A single mutation is driving resistance to pyrethroids in European populations of the parasitic mite, Varroa destructor. Journal of Pest Science. 91 (3), pp. 1137-1144. https://doi.org/10.1007/s10340-018-0968-y

Unravelling the molecular determinants of bee sensitivity to neonicotinoid insecticides

A - Papers appearing in refereed journals

Manjon, C., Troczka, B. J., Zaworra, M., Beadle, K., Randall, E., Hertlein, G., Singh, K. S., Zimmer, C. T., Homem, R. A., Lueke, B., Reid, R., Kor, L., Kohler, M., Benting, J., Williamson, M. S., Davies, T. G. E., Field, L. M., Bass, C. and Nauen, R. 2018. Unravelling the molecular determinants of bee sensitivity to neonicotinoid insecticides. Current Biology. 27 (7), p. 1137–1143. https://doi.org/10.1016/j.cub.2018.02.045

Mutation in the ace-1 gene of the tomato leaf miner (Tuta absoluta) associated with organophosphates resistance

A - Papers appearing in refereed journals

Haddi, K., Berger, M., Bielza, P., Rapisarda, C., Williamson, M. S., Moores, G. D. and Bass, C. 2017. Mutation in the ace-1 gene of the tomato leaf miner (Tuta absoluta) associated with organophosphates resistance. Journal of Applied Entomology. 141 (8), pp. 612-619. https://doi.org/10.1111/jen.12386

Aphid Genomics and its contribution to understanding aphids as crop pests

B - Book chapters etc edited externally

Field, L. M., Bass, C., Davies, T. G. E., Williamson, M. S. and Zhou, J-J. 2017. Aphid Genomics and its contribution to understanding aphids as crop pests. in: Van Emden, H. F. and Harrington, R. (ed.) Aphids as crop pests, 2nd edition (Chapter 2) CABI International, Wallingford, Oxon (CABI). pp. 37-49

Mutations on M3 helix of Plutella xylostella glutamate-gated chloride channel confer unequal resistance to abamectin by two different mechanisms

A - Papers appearing in refereed journals

Wang, X., Puinean, A. M., O´reilly, A. O., Williamson, M. S., Smelt, C. L. C., Millar, N. S. and Wu, Y. 2017. Mutations on M3 helix of Plutella xylostella glutamate-gated chloride channel confer unequal resistance to abamectin by two different mechanisms. Insect Biochemistry and Molecular Biology. 86, pp. 50-57. https://doi.org/10.1016/j.ibmb.2017.05.006

Voltage-gated sodium channels as targets for pyrethroid insecticides

A - Papers appearing in refereed journals

Field, L. M., Davies, T. G. E., O'Reilly, A. O., Williamson, M. S. and Wallace, B. A. 2017. Voltage-gated sodium channels as targets for pyrethroid insecticides. European Biophysics Journal. 46 (7), pp. 675-679. https://doi.org/10.1007/s00249-016-1195-1

Influence of the RDL A301S mutation in the brown planthopper Nilaparvata lugens on the activity of phenylpyrazole insecticides

A - Papers appearing in refereed journals

Garrood, W. T., Zimmer, C. T., Gutbrod, O., Luke, B., Williamson, M. S., Bass, C., Nauen, R. and Davies, T. G. E. 2017. Influence of the RDL A301S mutation in the brown planthopper Nilaparvata lugens on the activity of phenylpyrazole insecticides. Pesticide Biochemistry and Physiology. 142 (October), pp. 1-8. https://doi.org/10.1016/j.pestbp.2017.01.007

Ryanodine receptor point mutations confer diamide insecticide resistance in tomato leafminer, Tuta absoluta (Lepidoptera: Gelechiidae)

A - Papers appearing in refereed journals

Roditakis, E., Steinbach, D., Moritz, G., Vasakis, E., Stavrakaki, M., Ilias, A., Garcia-Vidal, L., Martinez-Aguirre, M. D., Pablo, B. D., Morou, E., Silva, J. E., Silva, W. M., Siqueira, H. A. A., Iqbal, S., Troczka, B. J., Williamson, M. S., Bass, C., Tsagkarakou, A., Vontas, J. and Nauen, R. 2017. Ryanodine receptor point mutations confer diamide insecticide resistance in tomato leafminer, Tuta absoluta (Lepidoptera: Gelechiidae). Insect Biochemistry and Molecular Biology. 80, pp. 11-20. https://doi.org/10.1016/j.ibmb.2016.11.003

Evolution of imidacloprid resistance in Myzus persicae in Greece and susceptibility data for spirotetramat

A - Papers appearing in refereed journals

Voudouris, C., Williamson, M. S., Skouras, P. J., Kati, A. N., Sahinoglou, A. J. and Margaritopoulos, J. T. 2017. Evolution of imidacloprid resistance in Myzus persicae in Greece and susceptibility data for spirotetramat. Pest Management Science. 73 (9), pp. 1804-1812. https://doi.org/10.1002/ps.4539

Rapid selection for resistance to diamide insecticides in Plutella xylostella via specific amino acid polymorphisms in the ryanodine receptor

A - Papers appearing in refereed journals

Troczka, B. J., Williamson, M. S., Field, L. M. and Davies, T. G. E. 2017. Rapid selection for resistance to diamide insecticides in Plutella xylostella via specific amino acid polymorphisms in the ryanodine receptor. Neurotoxicology. 60 (May), pp. 224-233. https://doi.org/10.1016/j.neuro.2016.05.012

Ion channels as insecticide targets

A - Papers appearing in refereed journals

Ffrench-Constant, R. H., Williamson, M. S., Davies, T. G. E. and Bass, C. 2016. Ion channels as insecticide targets. Journal Of Neurogenetics. 30 (3-4), pp. 163-177. https://doi.org/10.1080/01677063.2016.1229781

Novel mutations in the voltage-gated sodium channel of pyrethroid-resistant Varroa destructor populations from the Southeastern USA

A - Papers appearing in refereed journals

Gonzalez-Cabrera, J., Rodriguez-Vargas, S., Davies, T. G. E., Field, L. M., Schmehl, D., Ellis, J. D., Krieger, K. and Williamson, M. S. 2016. Novel mutations in the voltage-gated sodium channel of pyrethroid-resistant Varroa destructor populations from the Southeastern USA. PLOS ONE. 11 (5). https://doi.org/10.1371/journal.pone.0155332

A CRISPR/Cas9 mediated point mutation in the alpha 6 subunit of the nicotinic acetylcholine receptor confers resistance to spinosad in Drosophila melanogaster

A - Papers appearing in refereed journals

Zimmer, C. T., Garrood, W. T., Puinean, A. M., Eckel-Zimmer, M., Williamson, M. S., Davies, T. G. E. and Bass, C. 2016. A CRISPR/Cas9 mediated point mutation in the alpha 6 subunit of the nicotinic acetylcholine receptor confers resistance to spinosad in Drosophila melanogaster. Insect Biochemistry and Molecular Biology. 73, pp. 62-69. https://doi.org/10.1016/j.ibmb.2016.04.007

Mutation (G275E) of the nicotinic acetylcholine receptor alpha 6 subunit is associated with high levels of resistance to spinosyns in Tuta absoluta (Meyrick) (Lepidoptera: Gelechiidae)

A - Papers appearing in refereed journals

Silva, W. M., Berger, M., Bass, C., Williamson, M. S., Moura, D. M. N., Ribeiro, L. M. S. and Siqueira, H. A. A. 2016. Mutation (G275E) of the nicotinic acetylcholine receptor alpha 6 subunit is associated with high levels of resistance to spinosyns in Tuta absoluta (Meyrick) (Lepidoptera: Gelechiidae). Pesticide Biochemistry and Physiology. 131 (July), pp. 1-8. https://doi.org/10.1016/j.pestbp.2016.02.006

Insecticide resistance mediated by an exon skipping event.

A - Papers appearing in refereed journals

Berger, M., Puinean, A. M., Randall, E., Zimmer, C. T., Silva, W. M., Bielza, P., Field, L. M., Hughes, D. J., Mellor, I., Hassani-Pak, K., Siqueira, H. A. A., Williamson, M. S. and Bass, C. 2016. Insecticide resistance mediated by an exon skipping event. Molecular Ecology. 25 (22), pp. 5692-5704. https://doi.org/10.1111/mec.13882

Large-scale monitoring of insecticide susceptibility in cat fleas, Ctenocephalides Felis

A - Papers appearing in refereed journals

Denholm, I., Rust, M., Blagburn, B., Kopp, S., Williamson, M. S., Tetzner, K., Boehm, C., Mencke, N., Rees, B. and Ahlstrom, L. 2015. Large-scale monitoring of insecticide susceptibility in cat fleas, Ctenocephalides Felis. Outlooks on Pest Management. 26 (3), pp. 109-112. https://doi.org/10.1564/v26_jun_05

Incidence, spread and mechanisms of pyrethroid resistance in European populations of the cabbage stem flea beetle, Psylliodes chrysocephala L. (Coleoptera: Chrysomelidae)

A - Papers appearing in refereed journals

Hojland, D. H., Nauen, R., Foster, S. P., Williamson, M. S. and Kristensen, M. 2015. Incidence, spread and mechanisms of pyrethroid resistance in European populations of the cabbage stem flea beetle, Psylliodes chrysocephala L. (Coleoptera: Chrysomelidae). PLOS ONE. 10, p. e0146045. https://doi.org/10.1371/journal.pone.0146045

Susceptibility of adult cat fleas (Siphonaptera: Pulicidae) to insecticides and status of insecticide resistance mutations at the Rdl and knockdown resistance loci

A - Papers appearing in refereed journals

Rust, M. K., Vetter, R., Denholm, I., Blagburn, B., Williamson, M. S., Kopp, S., Coleman, G., Hostetler, J., Davis, W., Mencke, N., Rees, R., Foit, S., Bohm, C. and Tetzner, K. 2015. Susceptibility of adult cat fleas (Siphonaptera: Pulicidae) to insecticides and status of insecticide resistance mutations at the Rdl and knockdown resistance loci. Parasitology Research. 114 (Supplement 1), pp. S7-S18. https://doi.org/10.1007/s00436-015-4512-1

Stable expression and functional characterisation of the diamondback moth ryanodine receptor G4946E variant conferring resistance to diamide insecticides

A - Papers appearing in refereed journals

Troczka, B. J., Williams, A. J., Williamson, M. S., Field, L. M., Luemmen, P. and Davies, T. G. E. 2015. Stable expression and functional characterisation of the diamondback moth ryanodine receptor G4946E variant conferring resistance to diamide insecticides. Scientific Reports. 5, p. 14680. https://doi.org/10.1038/srep14680

The global status of insect resistance to neonicotinoid insecticides

A - Papers appearing in refereed journals

Bass, C. G., Denholm, I., Williamson, M. S. and Nauen, R. 2015. The global status of insect resistance to neonicotinoid insecticides. Pesticide Biochemistry and Physiology. 121, pp. 78-87. https://doi.org/10.1016/j.pestbp.2015.04.004

An evolutionarily-unique heterodimeric voltage-gated cation channel found in aphids

A - Papers appearing in refereed journals

Amey, J. S., O'Reilly, A. O., Burton, M. J., Puinean, A. M., Mellor, I. R., Duce, I. R., Field, L. M., Wallace, B. A., Williamson, M. S. and Davies, T. G. E. 2015. An evolutionarily-unique heterodimeric voltage-gated cation channel found in aphids. FEBS Letters. 589 (5), pp. 598-607. https://doi.org/10.1016/j.febslet.2015.01.020

Molecular cloning, characterisation and mRNA expression of the ryanodine receptor from the peach-potato aphid, Myzus persicae

A - Papers appearing in refereed journals

Troczka, B. J., Williams, A. J., Bass, C., Williamson, M. S., Field, L. M. and Davies, T. G. E. 2015. Molecular cloning, characterisation and mRNA expression of the ryanodine receptor from the peach-potato aphid, Myzus persicae. Gene. 556, pp. 106-112. https://doi.org/10.1016/j.gene.2014.11.035

Pyrethroid resistance in coleopteran pests of oilseed rape: Failure and success

C1 - Edited contributions to conferences/learned societies

Zimmer, C. T., Bass, C., Kohler, H., Schorn, C., Maiwald, F., Matthiessen, S., Gutbrod, O., Wolfel, K., Ott, M. C., Williamson, M. S., Kaussmann, M. and Nauen, R. 2014. Pyrethroid resistance in coleopteran pests of oilseed rape: Failure and success. Abstracts of Papers of the American Chemical Society 248th National Metting of the American Chemical Society (ACS) 20-14 August San Francisco, CA, 2014. American Chemical Society (ACS).

Susceptibility of cat fleas (Siphonaptera: Pulicidae) to fipronil and imidacloprid using adult and larval bioassays

A - Papers appearing in refereed journals

Rust, M. K., Vetter, R., Denholm, I., Blagburn, B., Williamson, M. S., Kopp, S., Coleman, G., Hostetler, J., Davis, W., Mencke, N., Rees, R., Foit, S. and Tetzner, K. 2014. Susceptibility of cat fleas (Siphonaptera: Pulicidae) to fipronil and imidacloprid using adult and larval bioassays. Journal of Medical Entomology. 51, pp. 638-643. https://doi.org/10.1603/ME13240

The resistance trap: growing aphid threats

C1 - Edited contributions to conferences/learned societies

Harrington, R., Cox, D., Foster, S. P., Taylor, M. S. and Williamson, M. S. 2014. The resistance trap: growing aphid threats. Crop production in Southern Britain: precision decisions for profitable cropping. Aspects of Applied Biology 127 . Association of Applied Biologists (AAB) Wellesbourne Warwick . pp. 287-294

The evolution of insecticide resistance in the peach potato aphid, Myzus persicae

A - Papers appearing in refereed journals

Bass, C., Puinean, A. M., Zimmer, C. T., Denholm, I., Field, L. M., Foster, S. P., Gutbrod, O., Nauen, R., Slater, R. and Williamson, M. S. 2014. The evolution of insecticide resistance in the peach potato aphid, Myzus persicae. Insect Biochemistry and Molecular Biology. 51, pp. 41-51. https://doi.org/10.1016/j.ibmb.2014.05.003

Molecular and functional characterization of CYP6BQ23, a cytochrome P450 conferring resistance to pyrethroids in European populations of pollen beetle, Meligethes aeneus

A - Papers appearing in refereed journals

Zimmer, C. T., Bass, C., Williamson, M. S., Kaussmann, M., Wolfel, K., Gutbrod, O. and Nauen, R. 2014. Molecular and functional characterization of CYP6BQ23, a cytochrome P450 conferring resistance to pyrethroids in European populations of pollen beetle, Meligethes aeneus. Insect Biochemistry and Molecular Biology. 45 (February), pp. 18-29. https://doi.org/10.1016/j.ibmb.2013.11.008

Predictive 3D modelling of the interactions of pyrethroids with the voltage-gated sodium channels of ticks and mites

A - Papers appearing in refereed journals

O'Reilly, A. O., Williamson, M. S., Gozalez-Cabrera, J., Turberg, A., Field, L. M., Wallace, B. A. and Davies, T. G. E. 2014. Predictive 3D modelling of the interactions of pyrethroids with the voltage-gated sodium channels of ticks and mites. Pest Management Science. 70 (3), pp. 369-377. https://doi.org/10.1002/ps.3561

A mutation (L1014F) in the voltage-gated sodium channel of the grain aphid, Sitobion avenae, is associated with resistance to pyrethroid insecticides

A - Papers appearing in refereed journals

Foster, S. P., Paul, V. L., Slater, R., Warren, A., Denholm, I., Field, L. M. and Williamson, M. S. 2014. A mutation (L1014F) in the voltage-gated sodium channel of the grain aphid, Sitobion avenae, is associated with resistance to pyrethroid insecticides. Pest Management Science. 70 (8), pp. 1249-1253. https://doi.org/10.1002/ps.3683

Gene amplification and microsatellite polymorphism underlie a recent insect host shift

A - Papers appearing in refereed journals

Bass, C. G., Zimmer, C. T., Riveron, J. M., Wilding, C. S., Wondji, C. S., Kaussmann, M., Field, L. M., Williamson, M. S. and Nauen, R. 2013. Gene amplification and microsatellite polymorphism underlie a recent insect host shift. Proceedings of the National Academy of Sciences. 110 (48), pp. 19460-19465. https://doi.org/10.1073/pnas.1314122110

Monitoring field susceptibility to imidacloprid in the cat flea: a world-first initiative twelve years on

A - Papers appearing in refereed journals

Kopp, S., Blagburn, B., Coleman, G., Davis, W., Denholm, I., Field, C., Hostetler, J., Mencke, N., Rees, R., Rust, M., Schroeder, I., Tetzner, K. and Williamson, M. S. 2013. Monitoring field susceptibility to imidacloprid in the cat flea: a world-first initiative twelve years on. Parasitology Research. 112, pp. S47-S56. https://doi.org/10.1007/s00436-013-3280-z

An amino acid substitution (L925V) associated with resistance to pyrethroids in Varroa destructor

A - Papers appearing in refereed journals

Gonzalez-Cabrera, J., Davies, T. G. E., Field, L. M., Kennedy, P. J. and Williamson, M. S. 2013. An amino acid substitution (L925V) associated with resistance to pyrethroids in Varroa destructor. PLOS ONE. 8, p. e82941. https://doi.org/10.1371/journal.pone.0082941

Development of a high-throughput real-time PCR assay for the detection of the R81T mutation in the nicotinic acetylcholine receptor of neonicotinoid-resistant Myzus persicae

A - Papers appearing in refereed journals

Puinean, A. M., Elias, J., Slater, R., Warren, A., Field, L. M., Williamson, M. S. and Bass, C. 2013. Development of a high-throughput real-time PCR assay for the detection of the R81T mutation in the nicotinic acetylcholine receptor of neonicotinoid-resistant Myzus persicae. Pest Management Science. 69 (2), pp. 195-199. https://doi.org/10.1002/ps.3300

Investigating the molecular mechanisms of organophosphate and pyrethroid resistance in the fall armyworm Spodoptera frugiperda

A - Papers appearing in refereed journals

Carvalho, R. A., Omoto, C., Field, L. M., Williamson, M. S. and Bass, C. 2013. Investigating the molecular mechanisms of organophosphate and pyrethroid resistance in the fall armyworm Spodoptera frugiperda. PLOS ONE. 8, p. e62268. https://doi.org/10.1371/journal.pone.0062268

The re-emergence of the bed bug as a nuisance pest - implications of resistance to the pyrethroid insecticides

A - Papers appearing in refereed journals

Davies, T. G. E., Field, L. M. and Williamson, M. S. 2012. The re-emergence of the bed bug as a nuisance pest - implications of resistance to the pyrethroid insecticides. Medical and Veterinary Entomology. 26 (3), pp. 241-54. https://doi.org/10.1111/j.1365-2915.2011.01006.x

Evolution of knock-down resistance to pyrethroids in grain aphids (Sitobion avenae) in the UK

C1 - Edited contributions to conferences/learned societies

Foster, S. P., Paliwal, D., Martin, J. L. and Williamson, M. S. 2012. Evolution of knock-down resistance to pyrethroids in grain aphids (Sitobion avenae) in the UK. Crop Protection in Southern Britain. Aspects of Applied Biology 117 . pp. 95-96

Association of neonicotinoid insensitivity with a conserved residue in the loop D binding region of the tick nicotinic acetylcholine receptor

A - Papers appearing in refereed journals

Erdmanis, L., O'Reilly, A. O., Williamson, M. S., Field, L. M., Turberg, A. and Wallace, B. A. 2012. Association of neonicotinoid insensitivity with a conserved residue in the loop D binding region of the tick nicotinic acetylcholine receptor. Biochemistry. 51, pp. 4627-4629. https://doi.org/10.1021/bi300522s

Resistance to diamide insecticides in diamondback moth, Plutella xylostella (Lepidoptera: Plutellidae) is associated with a mutation in the membrane-spanning domain of the ryanodine receptor

A - Papers appearing in refereed journals

Troczka, B. J., Zimmer, C. T., Elias, J., Schorn, C., Bass, C. G., Davies, T. G. E., Field, L. M., Williamson, M. S., Slater, R. and Nauen, R. 2012. Resistance to diamide insecticides in diamondback moth, Plutella xylostella (Lepidoptera: Plutellidae) is associated with a mutation in the membrane-spanning domain of the ryanodine receptor. Insect Biochemistry and Molecular Biology. 42, pp. 873-880. https://doi.org/10.1016/j.ibmb.2012.09.001

Chlorpyrifos resistance is associated with mutation and amplification of the acetylcholinesterase-1 gene in the tomato red spider mite, Tetranychus evansi

A - Papers appearing in refereed journals

Carvalho, R., Yang, Y., Field, L. M., Gorman, K., Moores, G. D., Williamson, M. S. and Bass, C. G. 2012. Chlorpyrifos resistance is associated with mutation and amplification of the acetylcholinesterase-1 gene in the tomato red spider mite, Tetranychus evansi. Pesticide Biochemistry and Physiology. 104 (2), pp. 143-149. https://doi.org/10.1016/j.pestbp.2012.05.009

Identification of mutations associated with pyrethroid resistance in the voltage-gated sodium channel of the tomato leaf miner (Tuta absoluta)

A - Papers appearing in refereed journals

Haddi, K., Berger, M., Bielza, P., Cifuentes, D., Field, L. M., Gorman, K., Rapisarda, C., Williamson, M. S. and Bass, C. G. 2012. Identification of mutations associated with pyrethroid resistance in the voltage-gated sodium channel of the tomato leaf miner (Tuta absoluta). Insect Biochemistry and Molecular Biology. 42, pp. 506-513. https://doi.org/10.1016/j.ibmb.2012.03.008

Over-expression of a cytochrome P450 is associated with resistance to pyriproxyfen in the greenhouse whitefly Trialeurodes vaporariorum

A - Papers appearing in refereed journals

Karatolos, N., Williamson, M. S., Denholm, I., Gorman, K., Ffrench-Constant, R. H. and Bass, C. 2012. Over-expression of a cytochrome P450 is associated with resistance to pyriproxyfen in the greenhouse whitefly Trialeurodes vaporariorum. PLOS ONE. 7, p. e31077. https://doi.org/10.1371/journal.pone.0031077

Resistance to spiromesifen in Trialeurodes vaporariorum is associated with a single amino acid replacement in its target enzyme acetyl-coenzyme A carboxylase

A - Papers appearing in refereed journals

Karatolos, N., Williamson, M. S., Denholm, I., Gorman, K., Ffrench-Constant, R. H. and Nauen, R. 2012. Resistance to spiromesifen in Trialeurodes vaporariorum is associated with a single amino acid replacement in its target enzyme acetyl-coenzyme A carboxylase. Insect Molecular Biology. 21 (3), pp. 327-334. https://doi.org/10.1111/j.1365-2583.2012.01136.x

Mutations in the sodium channel associated with pyrethroid resistance in the greenhouse whitefly, Trialeurodes vaporariorum

A - Papers appearing in refereed journals

Karatolos, N., Gorman, K., Williamson, M. S. and Denholm, I. 2012. Mutations in the sodium channel associated with pyrethroid resistance in the greenhouse whitefly, Trialeurodes vaporariorum. Pest Management Science. 68 (6), pp. 834-838. https://doi.org/10.1002/ps.2334

Insecticide resistance in the aphid Myzus persicae

G - Articles in popular magazines and other technical publications

Field, L. M., Bass, C. G., Davies, T. G. E., Foster, S. P., Stevens, M. and Williamson, M. S. 2012. Insecticide resistance in the aphid Myzus persicae. RRA Newsletter. April 2012, pp. 1-2.

Age-specific expression of a P450 monooxygenase (CYP6CM1) correlates with neonicotinoid resistance in Bemisia tabaci

A - Papers appearing in refereed journals

Jones, C. M., Daniels, M., Andrews, M., Slater, R., Lind, R. J., Gorman, K., Williamson, M. S. and Denholm, I. 2011. Age-specific expression of a P450 monooxygenase (CYP6CM1) correlates with neonicotinoid resistance in Bemisia tabaci. Pesticide Biochemistry and Physiology. 101, pp. 53-58. https://doi.org/10.1016/j.pestbp.2011.07.004

A tetrodoxin resistant voltage-gated sodium channel gene orthologue identified in aphids

C2 - Non-edited contributions to conferences

Davies, T. G. E., Amey, J. S., Burton, M. J., O'Reilly, A. O., Mellor, I. R., Wallace, B. A., Field, L. M. and Williamson, M. S. 2011. A tetrodoxin resistant voltage-gated sodium channel gene orthologue identified in aphids. Abstracts Neuroscience 2011, Washington DC, 12-16 November 2011 .

Overexpression of a cytochrome P450 monooxygenase, CYP6ER1, is associated with resistance to imidacloprid in the brown planthopper, Nilaparvata lugens

A - Papers appearing in refereed journals

Bass, C. G., Carvalho, R. A., Oliphant, L., Puinean, A. M., Field, L. M., Nauen, R., Williamson, M. S., Moores, G. D. and Gorman, K. 2011. Overexpression of a cytochrome P450 monooxygenase, CYP6ER1, is associated with resistance to imidacloprid in the brown planthopper, Nilaparvata lugens. Insect Molecular Biology. 20 (6), pp. 763-773. https://doi.org/10.1111/j.1365-2583.2011.01105.x

Differential resistance of insect sodium channels with kdr mutations to deltamethrin, permethrin and DDT

A - Papers appearing in refereed journals

Burton, M. J., Mellor, I. R., Duce, I. R., Davies, T. G. E., Field, L. M. and Williamson, M. S. 2011. Differential resistance of insect sodium channels with kdr mutations to deltamethrin, permethrin and DDT. Insect Biochemistry and Molecular Biology. 41, pp. 723-732. https://doi.org/10.1016/j.ibmb.2011.05.004

Pyrethroid resistance in Sitophilus zeamais is associated with a mutation (T9291) in the voltage-gated sodium channel

A - Papers appearing in refereed journals

Araujo, R. A., Williamson, M. S., Bass, C. G., Field, L. M. and Duce, I. R. 2011. Pyrethroid resistance in Sitophilus zeamais is associated with a mutation (T9291) in the voltage-gated sodium channel. Insect Molecular Biology. 20 (4), pp. 437-445. https://doi.org/10.1111/j.1365-2583.2011.01079.x

Pyrethroid resistance in the tomato red spider mite, Tetranychus evansi, is associated with mutation of the para- type sodium channel

A - Papers appearing in refereed journals

Nyoni, B. N., Gorman, K. J., Mzilahowa, T., Williamson, M. S., Navajas, M., Field, L. M. and Bass, C. 2011. Pyrethroid resistance in the tomato red spider mite, Tetranychus evansi, is associated with mutation of the para- type sodium channel. Pest Management Science. 67 (8), pp. 891-897. https://doi.org/10.1002/ps.2145

Mutation of a nicotinic acetylcholine receptor beta subunit is associated with resistance to neonicotinoid insecticides in the aphid Myzus persicae

A - Papers appearing in refereed journals

Bass, C., Puinean, A. M., Andrews, M., Cutler, P., Daniels, M., Elias, J., Paul, V. L., Crossthwaite, A. J., Denholm, I., Field, L. M., Foster, S. P., Lind, R., Williamson, M. S. and Slater, R. 2011. Mutation of a nicotinic acetylcholine receptor beta subunit is associated with resistance to neonicotinoid insecticides in the aphid Myzus persicae. BMC Neuroscience. 12 (51). https://doi.org/10.1186/1471-2202-12-51

Pyrosequencing the transcriptome of the greenhouse whitefly, Trialeurodes vaporariorum reveals multiple transcripts encoding insecticide targets and detoxifying enzymes

A - Papers appearing in refereed journals

Karatolos, N., Pauchet, Y., Wilkinson, P., Chauhan, R., Denholm, I., Gorman, K. J., Nelson, D. R., Bass, C. G., Ffrench-Constant, R. H. and Williamson, M. S. 2011. Pyrosequencing the transcriptome of the greenhouse whitefly, Trialeurodes vaporariorum reveals multiple transcripts encoding insecticide targets and detoxifying enzymes. BMC Genomics. 12, p. 56 (14pp). https://doi.org/10.1186/1471-2164-12-56

Genome sequence of the pea aphid Acyrthosiphon pisum

A - Papers appearing in refereed journals

International Aphid Genomics Consortium, Zhou, J-J., He, X-L., Liu, R., Field, L. M., Davies, T. G. E. and Williamson, M. S. 2010. Genome sequence of the pea aphid Acyrthosiphon pisum. PLOS Biology. 8, p. e1000313 (24pp). https://doi.org/10.1371/journal.pbio.1000313

The vector population monitoring tool (VPMT): high-throughput DNA-based diagnostics for the monitoring of mosquito vector populations

A - Papers appearing in refereed journals

Bass, C. G., Nikou, D., Vontas, J., Donnelly, M. J., Williamson, M. S. and Field, L. M. 2010. The vector population monitoring tool (VPMT): high-throughput DNA-based diagnostics for the monitoring of mosquito vector populations. Malaria Research and Treatment. 2010 (190434). https://doi.org/10.4061/2010/190434

Incidence and characterisation of resistance to neonicotinoid insecticides and pymetrozine in the greenhouse whitefly, Trialeurodes vaporariorum Westwood (Hemiptera: Aleyrodidae)

A - Papers appearing in refereed journals

Karatolos, N., Denholm, I., Williamson, M. S., Nauen, R. and Gorman, K. J. 2010. Incidence and characterisation of resistance to neonicotinoid insecticides and pymetrozine in the greenhouse whitefly, Trialeurodes vaporariorum Westwood (Hemiptera: Aleyrodidae). Pest Management Science. 66 (12), pp. 1304-1307. https://doi.org/10.1002/ps.2014

Characterisation of imidacloprid resistance mechanisms in the brown planthopper, Nilaparvata lugens Stal (Hemiptera: Delphacidae)

A - Papers appearing in refereed journals

Puinean, A. M., Denholm, I., Millar, N. S., Nauen, R. and Williamson, M. S. 2010. Characterisation of imidacloprid resistance mechanisms in the brown planthopper, Nilaparvata lugens Stal (Hemiptera: Delphacidae). Pesticide Biochemistry and Physiology. 97 (2), pp. 129-132. https://doi.org/10.1016/j.pestbp.2009.06.008

Amplification of a cytochrome P450 gene is associated with resistance to neonicotinoid insecticides in the aphid Myzus persicae

A - Papers appearing in refereed journals

Puinean, A. M., Foster, S. P., Oliphant, L., Denholm, I., Field, L. M., Millar, N. S., Williamson, M. S. and Bass, C. 2010. Amplification of a cytochrome P450 gene is associated with resistance to neonicotinoid insecticides in the aphid Myzus persicae. PLOS Genetics. 6, p. e1000999 (11pp). https://doi.org/10.1371/journal.pgen.1000999

Identification of ion channel genes in the Acyrthosiphon pisum genome

A - Papers appearing in refereed journals

Dale, R. P., Jones, A. K., Tamborindeguy, C., Davies, T. G. E., Amey, J. S., Williamson, S., Wolstenholme, A., Field, L. M., Williamson, M. S., Walsh, T. K. and Sattelle, D. B. 2010. Identification of ion channel genes in the Acyrthosiphon pisum genome. Insect Molecular Biology. 19(Suppl. 2), pp. 141-153. https://doi.org/10.1111/j.1365-2583.2009.00975.x

Development of high-throughput real-time PCR assays for the identification of insensitive acetylcholinesterase (ace-1R) in Anopheles gambiae

A - Papers appearing in refereed journals

Bass, C., Nikou, D., Vontas, J., Williamson, M. S. and Field, L. M. 2010. Development of high-throughput real-time PCR assays for the identification of insensitive acetylcholinesterase (ace-1R) in Anopheles gambiae. Pesticide Biochemistry and Physiology. 96, pp. 80-85. https://doi.org/10.1016/j.pestbp.2009.09.004

Does kdr genotype predict insecticide-resistance phenotype in mosquitoes?

A - Papers appearing in refereed journals

Donnelly, M. J., Corbel, V., Weetman, D., Wilding, C. S., Williamson, M. S. and Black, W. C. Iv 2009. Does kdr genotype predict insecticide-resistance phenotype in mosquitoes? Trends in Parasitology. 25, pp. 213-219. https://doi.org/10.1016/j.pt.2009.02.007

Characterisation of neonicotinoid resistance in the peach-potato aphid, Myzus persicae (Hemiptera: Aphididae)

C2 - Non-edited contributions to conferences

Puinean, A. M., Foster, S. P., Oliphant, L., Millar, N. S., Williamson, M. S. and Denholm, I. 2009. Characterisation of neonicotinoid resistance in the peach-potato aphid, Myzus persicae (Hemiptera: Aphididae). Abstracts 8th International Symposium on Aphids, Catania, Italy, 8-12 June 2009 . pp. 154

Interactions of pyrethroids with the voltage-gated sodium channel

G - Articles in popular magazines and other technical publications

Davies, T. G. E. and Williamson, M. S. 2009. Interactions of pyrethroids with the voltage-gated sodium channel. Bayer Crop Science Journal. 62, pp. 159-178.

Molecular identification and characterisation of the Myzus persicae voltage gated sodium channel gene

C1 - Edited contributions to conferences/learned societies

Amey, J., O'reilly, A., Williamson, M. S., Field, L. M., Wallace, B. A. and Davies, T. G. E. 2009. Molecular identification and characterisation of the Myzus persicae voltage gated sodium channel gene.

Development of multiplex real-time PCR assays for identification of members of the Anopheles funestus species group

A - Papers appearing in refereed journals

Vezenegho, S. B., Bass, C. G., Puinean, M., Williamson, M. S., Field, L. M., Coetzee, M. and Koekemoer, L. L. 2009. Development of multiplex real-time PCR assays for identification of members of the Anopheles funestus species group. Malaria Journal. 8, p. 282 (9pp). https://doi.org/10.1186/1475-2875-8-282

Resistance to neonicotinoid insecticides in the greenhouse whitefly, Trialeuroides vaporariorum

C1 - Edited contributions to conferences/learned societies

Karatolos, N., Gorman, K., Williamson, M. S., Nauen, R., Ffrench-Constant, R. and Denholm, I. 2009. Resistance to neonicotinoid insecticides in the greenhouse whitefly, Trialeuroides vaporariorum.

Identification of pyrethroid resistance associated mutations in the para sodium channel of the two-spotted spider mite Tetranychus urticae (Acari: Tetranychidae)

A - Papers appearing in refereed journals

Tsagkarakou, A., Van Leeuwen, T., Khajehali, J., Ilias, A., Grispou, M., Williamson, M. S., Tirry, L. and Vontas, J. 2009. Identification of pyrethroid resistance associated mutations in the para sodium channel of the two-spotted spider mite Tetranychus urticae (Acari: Tetranychidae). Insect Molecular Biology. 18 (5), pp. 583-593. https://doi.org/10.1111/j.1365-2583.2009.00900.x

Single channel study of deltamethrin interactions with wild-type and mutated rat Nav1.2 sodium channels expressed in Xenopus oocytes

A - Papers appearing in refereed journals

Peng, F., Mellor, I. R., Williamson, M. S., Davies, T. G. E., Field, L. M. and Usherwood, P. N. R. 2009. Single channel study of deltamethrin interactions with wild-type and mutated rat Nav1.2 sodium channels expressed in Xenopus oocytes. Neurotoxicology. 30, pp. 358-367. https://doi.org/10.1016/j.neuro.2009.02.016

New methods for the detection of insecticide resistant Myzus persicae in the U.K. suction trap network

A - Papers appearing in refereed journals

Anstead, J. A., Williamson, M. S. and Denholm, I. 2008. New methods for the detection of insecticide resistant Myzus persicae in the U.K. suction trap network. Agricultural and Forest Entomology. 10 (3), pp. 291-295. https://doi.org/10.1111/j.1461-9563.2008.00388.x

Knockdown resistance to DDT and pyrethroids: from target-site mutations to molecular modelling

A - Papers appearing in refereed journals

Davies, T. G. E., O'Reilly, A. O., Field, L. M., Wallace, B. A. and Williamson, M. S. 2008. Knockdown resistance to DDT and pyrethroids: from target-site mutations to molecular modelling. Pest Management Science. 64 (11), pp. 1126-1130. https://doi.org/10.1002/ps.1617

PCR-based detection of Plasmodium in Anopheles mosquitoes: a comparison of a new high-throughput assay with existing methods

A - Papers appearing in refereed journals

Bass, C. G., Nikou, D., Blagborough, A. M., Vontas, J., Sinden, R. E., Williamson, M. S. and Field, L. M. 2008. PCR-based detection of Plasmodium in Anopheles mosquitoes: a comparison of a new high-throughput assay with existing methods. Malaria Journal. 17, p. 177 (9 pages). https://doi.org/10.1186/1475-2875-7-177

Inheritance of L1014F and M918T sodium channel mutations associated with pyrethroid resistance in Myzus persicae

A - Papers appearing in refereed journals

Eleftherianos, I., Foster, S. P., Williamson, M. S. and Denholm, I. 2008. Inheritance of L1014F and M918T sodium channel mutations associated with pyrethroid resistance in Myzus persicae. Biology Letters. 4, pp. 545-548. https://doi.org/10.1098/rsbl.2008.0225

Development of a multiplex real-time PCR assay for identification of members of the Anopheles gambiae species complex

A - Papers appearing in refereed journals

Bass, C. G., Williamson, M. S. and Field, L. M. 2008. Development of a multiplex real-time PCR assay for identification of members of the Anopheles gambiae species complex. Acta Tropica. 107, pp. 50-53. https://doi.org/10.1016/j.actatropica.2008.04.009

Characterization of the M918T sodium channel gene mutation associated with strong resistance to pyrethroid insecticides in the peach-potato aphid, Myzus persicae (Sulzer)

A - Papers appearing in refereed journals

Eleftherianos, I., Foster, S. P., Williamson, M. S. and Denholm, I. 2008. Characterization of the M918T sodium channel gene mutation associated with strong resistance to pyrethroid insecticides in the peach-potato aphid, Myzus persicae (Sulzer). Bulletin of Entomological Research. 98 (2), pp. 183-191. https://doi.org/10.1017/S0007485307005524

Insecticide resistance in Bemisia tabaci: a global perspective

C2 - Non-edited contributions to conferences

Denholm, I., Gorman, K. J. and Williamson, M. S. 2008. Insecticide resistance in Bemisia tabaci: a global perspective. Wiley.

High-throughput allelic discrimination of B and Q biotypes of the whitefly, Bemisia tabaci using TaqMan allele-selective PCR

A - Papers appearing in refereed journals

Jones, C. M., Gorman, K. J., Denholm, I. and Williamson, M. S. 2008. High-throughput allelic discrimination of B and Q biotypes of the whitefly, Bemisia tabaci using TaqMan allele-selective PCR. Pest Management Science. 64 (1), pp. 12-15. https://doi.org/10.1002/ps.1482

Mutations in DIIS5 and the DIIS4-S5 linker of Drosophila melanogaster sodium channel define binding domains for pyrethroids and DDT

A - Papers appearing in refereed journals

Usherwood, P. N. R., Davies, T. G. E., Mellor, I. R., O'Reilly, A. O., Peng, F., Vais, H., Khambay, B. P. S., Field, L. M. and Williamson, M. S. 2007. Mutations in DIIS5 and the DIIS4-S5 linker of Drosophila melanogaster sodium channel define binding domains for pyrethroids and DDT. FEBS Letters. 581 (28), pp. 5485-5492. https://doi.org/10.1016/j.febslet.2007.10.057

Identification of the main malaria vectors in the Anopheles gambiae species complex using a TaqMan real-time PCR assay

A - Papers appearing in refereed journals

Bass, C. G., Williamson, M. S., Wilding, C. S., Donnelly, M. J. and Field, L. M. 2007. Identification of the main malaria vectors in the Anopheles gambiae species complex using a TaqMan real-time PCR assay. Malaria Journal. 6, p. 155 (9pp). https://doi.org/10.1186/1475-2875-6-155

Detection of knockdown resistance (kdr) mutations in Anopheles gambiae : a comparison of two new high- throughput assays with existing methods

A - Papers appearing in refereed journals

Bass, C. G., Nikou, D., Donnelly, M. J., Williamson, M. S., Ranson, H., Ball, A., Vontas, J. and Field, L. M. 2007. Detection of knockdown resistance (kdr) mutations in Anopheles gambiae : a comparison of two new high- throughput assays with existing methods. Malaria Journal. 6, p. 111. https://doi.org/10.1186/1475-2875-6-111

DDT, pyrethrins, pyrethroids and insect sodium channels

A - Papers appearing in refereed journals

Davies, T. G. E., Field, L. M., Usherwood, P. N. R. and Williamson, M. S. 2007. DDT, pyrethrins, pyrethroids and insect sodium channels. IUBMB Life. 59 (3), pp. 151-162. https://doi.org/10.1080/15216540701352042

A comparative study of voltage-gated sodium channels in the Insecta: implications for pyrethroid resistance in Anopheline and other Neopteran species

A - Papers appearing in refereed journals

Davies, T. G. E., Field, L. M., Usherwood, P. N. R. and Williamson, M. S. 2007. A comparative study of voltage-gated sodium channels in the Insecta: implications for pyrethroid resistance in Anopheline and other Neopteran species. Insect Molecular Biology. 16 (3), pp. 361-375. https://doi.org/10.1111/j.1365-2583.2007.00733.x

A nicotinic acetylcholine receptor mutation (Y151S) causes reduced agonist potency to a range of neonicotinoid insecticides

A - Papers appearing in refereed journals

Liu, Z., Williamson, M. S., Lansdell, S. J., Han, Z., Denholm, I. and Millar, N. S. 2006. A nicotinic acetylcholine receptor mutation (Y151S) causes reduced agonist potency to a range of neonicotinoid insecticides. Journal of Neurochemistry. 99 (4), pp. 1273-1281. https://doi.org/10.1111/j.1471-4159.2006.04167.x

Modelling insecticide-binding sites in the voltage-gated sodium channel

A - Papers appearing in refereed journals

O'Reilly, A. O., Khambay, B. P. S., Williamson, M. S., Field, L. M., Wallace, B. A. and Davies, T. G. E. 2006. Modelling insecticide-binding sites in the voltage-gated sodium channel. Biochemical Journal. 396, pp. 255-263. https://doi.org/10.1042/BJ20051925

Molecular characterisation of nicotinic acetylcholine receptor subunits from the cat flea, Ctenocephalides felis (Siphonaptera: Pulicidae)

A - Papers appearing in refereed journals

Bass, C. G., Lansdell, S. J., Millar, N. S., Schroeder, I., Turberg, A., Field, L. M. and Williamson, M. S. 2006. Molecular characterisation of nicotinic acetylcholine receptor subunits from the cat flea, Ctenocephalides felis (Siphonaptera: Pulicidae). Insect Biochemistry and Molecular Biology. 36, pp. 86-96. https://doi.org/10.1016/j.ibmb.2005.11.003

Acetylcholinesterase genes and insecticide resistance in aphids

C2 - Non-edited contributions to conferences

Dong, S. L., Andrews, M. C., Li, F., Moores, G. D., Han, Z. J. and Williamson, M. S. 2005. Acetylcholinesterase genes and insecticide resistance in aphids.

Sensitivity of the Drosophila para sodium channel to DDT is not lowered by the super-kdr mutation M918T on the IIS4-S5 linker that profoundly reduces sensitivity to permethrin and deltamethrin

A - Papers appearing in refereed journals

Usherwood, P. N. R., Vais, H., Khambay, B. P. S., Davies, T. G. E. and Williamson, M. S. 2005. Sensitivity of the Drosophila para sodium channel to DDT is not lowered by the super-kdr mutation M918T on the IIS4-S5 linker that profoundly reduces sensitivity to permethrin and deltamethrin. FEBS Letters. 579 (28), pp. 6317-6325. https://doi.org/10.1016/j.febslet.2005.09.096

Single blind, randomised, comparative study of the Bug Buster kit and over the counter pediculicide treatments against head lice in the United Kingdom

A - Papers appearing in refereed journals

Hill, N., Moor, G., Cameron, M. M., Butlin, A., Preston, S., Williamson, M. S. and Bass, C. G. 2005. Single blind, randomised, comparative study of the Bug Buster kit and over the counter pediculicide treatments against head lice in the United Kingdom. British Medical Journal. 331, pp. 384-386.

Novel point mutation in the sodium channel gene of pyrethroid-resistant sea lice (Lepeophtheirus salmonis ) (Crustacea: Copepoda)

A - Papers appearing in refereed journals

Fallang, A., Denholm, I., Horsberg, T. E. and Williamson, M. S. 2005. Novel point mutation in the sodium channel gene of pyrethroid-resistant sea lice (Lepeophtheirus salmonis ) (Crustacea: Copepoda). Diseases Of Aquatic Organisms. 65, pp. 129-136.

Determining a diagnostic dose for imidacloprid susceptibility testing of field-collected isolates of cat fleas (Siphonaptera: Pulicidae)

A - Papers appearing in refereed journals

Rust, M. K., Denholm, I., Dryden, M. W., Payne, P., Blagburn, B. L., Jacobs, D. E., Mencke, N., Schroeder, I., Vaughn, M., Mehlhorn, H., Hinkle, N. C. and Williamson, M. S. 2005. Determining a diagnostic dose for imidacloprid susceptibility testing of field-collected isolates of cat fleas (Siphonaptera: Pulicidae). Journal of Medical Entomology. 42, pp. 631-636. https://doi.org/10.1093/jmedent/42.4.631

A nicotinic acetylcholine receptor mutation conferring target-site resistance to imidacloprid in Nilaparvata lugens (brown planthopper)

A - Papers appearing in refereed journals

Liu, Z., Williamson, M. S., Lansdell, S. J., Denholm, I., Han, Z. and Millar, N. S. 2005. A nicotinic acetylcholine receptor mutation conferring target-site resistance to imidacloprid in Nilaparvata lugens (brown planthopper). Proceedings of the National Academy of Sciences. 102 (24), pp. 8420-8425. https://doi.org/10.1073/pnas.0502901102

Evidence for multiple origins of identical insecticide resistance mutations in the aphid Myzus persicae

A - Papers appearing in refereed journals

Anstead, J. A., Williamson, M. S. and Denholm, I. 2005. Evidence for multiple origins of identical insecticide resistance mutations in the aphid Myzus persicae. Insect Biochemistry and Molecular Biology. 35, pp. 249-256.

A single amino acid substitution found in pirimicarb-insensitive acetylcholinesterase (AChE) of the peach-potato aphid, Myzus persicae (Sulz.)

C1 - Edited contributions to conferences/learned societies

Andrews, M. C., Callaghan, A., Williamson, M. S., Field, L. M. and Moores, G. D. 2004. A single amino acid substitution found in pirimicarb-insensitive acetylcholinesterase (AChE) of the peach-potato aphid, Myzus persicae (Sulz.). Inestrosa, N. C. and Campus, E. O. (ed.) Proceedings 7th International Meeting on Cholinesterases. Cholinesterases in the Second Millennium: Biomolecular and Pathological Aspects, Pucon, Chile, 8-12 November 2002 . FONDAP-Biomedicina, Chile. pp. 229-231

A single amino acid substitution found in pirimicarb- insensitive acetylcholinesterase (AChE) of the peach-potato aphid, Myzus persicae (Sulzer)

C1 - Edited contributions to conferences/learned societies

Andrews, M. C., Bass, C. G., Williamson, M. S., Callaghan, A., Field, L. M. and Moores, G. D. 2004. A single amino acid substitution found in pirimicarb- insensitive acetylcholinesterase (AChE) of the peach-potato aphid, Myzus persicae (Sulzer). Fisher, A., Silman, I., Michaelson, D. M., Anglister, L. and Soreq, H. (ed.) Cholinergic mechanisms: function and dysfunction . Taylor & Francis, London. pp. 38-

Identification of mutations associated with pyrethroid resistance in the para -type sodium channel of the cat flea, Ctenocephalides felis

A - Papers appearing in refereed journals

Bass, C. G., Schroeder, I., Turberg, A., Field, L. M. and Williamson, M. S. 2004. Identification of mutations associated with pyrethroid resistance in the para -type sodium channel of the cat flea, Ctenocephalides felis. Insect Biochemistry and Molecular Biology. 34, pp. 1305-1313.

Identification of the RD1 mutation in laboratory and field strains of the cat flea, Ctenocephalides felis (Siphonaptera: Pulicidae)

A - Papers appearing in refereed journals

Bass, C. G., Schroeder, I., Turberg, A., Field, L. M. and Williamson, M. S. 2004. Identification of the RD1 mutation in laboratory and field strains of the cat flea, Ctenocephalides felis (Siphonaptera: Pulicidae). Pest Management Science. 60 (12), pp. 1157-1162. https://doi.org/10.1002/ps.937

A mechanism-based approach to monitoring for insecticide resistance in the peach-potato aphid, Myzus persicae

C1 - Edited contributions to conferences/learned societies

Williamson, M. S., Andrews, M. C., Anstead, J. A., Field, L. M., Moores, G. D., Foster, S. P., Devonshire, A. L. and Denholm, I. 2004. A mechanism-based approach to monitoring for insecticide resistance in the peach-potato aphid, Myzus persicae. Usherwood, P. N. R., Mellor, I. R. and Beadle, D. J. (ed.) Neurotox '03: neurotoxicological targets from functional genomics and proteomics . Society of Chemical Industry, London. pp. 87-95

Population genetics of kdr-type resistance to pyrethroids in the peach-potato aphid, Myzus persicae

C2 - Non-edited contributions to conferences

Anstead, J. A., Denholm, I. and Williamson, M. S. 2004. Population genetics of kdr-type resistance to pyrethroids in the peach-potato aphid, Myzus persicae. Abstracts Strength in Diversity: 22nd International Congress of Entomology, Brisbane, 15-21 August 2004 .

High-throughput detection of knockdown resistance in Myzus persicae using allelic discriminating quantitative PCR

A - Papers appearing in refereed journals

Anstead, J. A., Williamson, M. S., Eleftherianos, I. and Denholm, I. 2004. High-throughput detection of knockdown resistance in Myzus persicae using allelic discriminating quantitative PCR. Insect Biochemistry and Molecular Biology. 34, pp. 871-877.

Characterisation of a mutation in acetylcholinesterase (AChE) of the peach-potato aphid, Myzus persicae (Sulz.) that confers resistance to pirimicarb insecticide

C2 - Non-edited contributions to conferences

Andrews, M. C., Callaghan, A., Williamson, M. S., Field, L. M. and Moores, G. D. 2003. Characterisation of a mutation in acetylcholinesterase (AChE) of the peach-potato aphid, Myzus persicae (Sulz.) that confers resistance to pirimicarb insecticide. Abstracts Royal Entomological Society International Symposium on Insect Evolutionary Ecology and Entomology 2003, Reading, 28-31 July 2003 . pp. 52

A mechanism-based approach to monitoring for insecticide resistance in the peach-potato aphid Myzus persicae

C2 - Non-edited contributions to conferences

Williamson, M. S., Anstead, J. A., Field, L. M., Moores, G. D., Foster, S. P., Devonshire, A. L. and Denholm, I. 2003. A mechanism-based approach to monitoring for insecticide resistance in the peach-potato aphid Myzus persicae. Abstracts Neurotox 2003: Neurotoxicological Targets from Functional Genomics and Proteomics, Nottingham, 1-4 September 2003 .

Development of an insect cell line expression system for para sodium channels

C2 - Non-edited contributions to conferences

Davies, T. G. E. and Williamson, M. S. 2003. Development of an insect cell line expression system for para sodium channels. Abstracts Neurotox 2003: Neurotoxicological Targets from Functional Genomics and Proteomics, Nottingham, 1-4 September 2003 .

A single point mutation in acetylcholinesterase confers resistance to pirimicarb in Myzus persicae

C2 - Non-edited contributions to conferences

Andrews, M. C., Williamson, M. S., Callaghan, A., Field, L. M. and Moores, G. D. 2003. A single point mutation in acetylcholinesterase confers resistance to pirimicarb in Myzus persicae. Abstracts Neurotox 2003: Neurotoxicological Targets from Functional Genomics and Proteomics, Nottingham, 1-4 September 2003 .

Mutations of the para sodium channel of Drosophila melanogaster identify putative binding sites for pyrethroids

A - Papers appearing in refereed journals

Vais, H., Atkinson, S., Pluteanu, F., Goodson, S. J., Devonshire, A. L., Williamson, M. S. and Usherwood, P. N. R. 2003. Mutations of the para sodium channel of Drosophila melanogaster identify putative binding sites for pyrethroids. Molecular Pharmacology. 64 (4), pp. 914-922. https://doi.org/10.1124/mol.64.4.914

The sleep lipid cis 9,10-octadecenoamide (cOA) blocks native neural voltage-gated Na+ channels (VGSCs) but not recombinant VGSCs in oocytes

C2 - Non-edited contributions to conferences

Lees, G., Kumar, A., Adwedaa, E., Laws, D. and Williamson, M. S. 2003. The sleep lipid cis 9,10-octadecenoamide (cOA) blocks native neural voltage-gated Na+ channels (VGSCs) but not recombinant VGSCs in oocytes.

Comparison of block by lidocaine and ketamine at the hypothesized local anaesthetic binding site in the voltage gated sodium channel

C2 - Non-edited contributions to conferences

Kumar, A., Lees, G., Adwedaa, E., Coyne, L. and Williamson, M. S. 2003. Comparison of block by lidocaine and ketamine at the hypothesized local anaesthetic binding site in the voltage gated sodium channel.

Characterization of acetylcholinesterases, and their genes, from the hemipteran species Myzus persicae (Sulzer), Aphis gossypii (Glover), Bemisia tabaci (Gennadius) and Trialeurodes vaporariorum (Westwood)

A - Papers appearing in refereed journals

Javed, N., Viner, R., Williamson, M. S., Field, L. M., Devonshire, A. L. and Moores, G. D. 2003. Characterization of acetylcholinesterases, and their genes, from the hemipteran species Myzus persicae (Sulzer), Aphis gossypii (Glover), Bemisia tabaci (Gennadius) and Trialeurodes vaporariorum (Westwood). Insect Molecular Biology. 12 (6), pp. 613-620. https://doi.org/10.1046/j.1365-2583.2003.00446.x

Analogous pleiotropic effects of insecticide resistance genotypes in peach-potato aphids and houseflies

A - Papers appearing in refereed journals

Foster, S. P., Young, S., Williamson, M. S., Duce, I., Denholm, I. and Devine, G. J. 2003. Analogous pleiotropic effects of insecticide resistance genotypes in peach-potato aphids and houseflies. Heredity. 91 (2), pp. 98-106. https://doi.org/10.1038/sj.hdy.6800285

Insecticide resistance to aphids

G - Articles in popular magazines and other technical publications

Denholm, I., Foster, S. P., Moores, G. D., Anstead, J. A. and Williamson, M. S. 2003. Insecticide resistance to aphids. Rothamsted Research Annual Report. 2002-2003, pp. 29-31.

Population genetics of knockdown resistance to pyrethroids in the aphid Myzus persicae

C2 - Non-edited contributions to conferences

Anstead, J. A., Williamson, M. S. and Denholm, I. 2003. Population genetics of knockdown resistance to pyrethroids in the aphid Myzus persicae. Abstracts Royal Entomological Society Aphid Special Interest Group Meeting, Wellesbourne, 26 November 2003 .

Insecticide resistance: from science to practice

C1 - Edited contributions to conferences/learned societies

Williamson, M. S., Anstead, J. A., Devine, G. J., Devonshire, A. L., Field, L. M., Foster, S. P., Moores, G. D. and Denholm, I. 2003. Insecticide resistance: from science to practice. Proceedings BCPC International Congress - Crop Science and Technology, Glasgow, 10-12 November 2003 . pp. 681-688

Defining type I and type II activity in insecticidal pyrethroids

C2 - Non-edited contributions to conferences

Khambay, B. P. S., Boyes, A., Williamson, M. S., Vais, H. and Usherwood, P. N. R. 2002. Defining type I and type II activity in insecticidal pyrethroids. Abstracts 10th IUPAC International Congress on the Chemistry of Crop Protection, Basel, 4-9 August 2002 . pp. 331

Synthetic pyrethroid molecular probe to investigate interactions at the MET918THR super-kdr mutation in the para-voltage gated sodium channel

C2 - Non-edited contributions to conferences

Boyes, A. L., Atkinson, S., Vais, H., Usherwood, P. N., Williamson, M. S., Khambay, B. P. S. and Pickett, J. A. 2002. Synthetic pyrethroid molecular probe to investigate interactions at the MET918THR super-kdr mutation in the para-voltage gated sodium channel. Abstracts 10th International IUPAC Congress on the Chemistry of Crop Protection, Basel, 4-9 August 2002 . pp. 240

Mutations in the Bemisia tabaci para sodium channel gene associated with resistance to a pyrethroid plus organophosphate mixture

A - Papers appearing in refereed journals

Morin, S., Williamson, M. S., Goodson, S. J., Brown, J. K., Tabashnik, B. E. and Dennehy, T. J. 2002. Mutations in the Bemisia tabaci para sodium channel gene associated with resistance to a pyrethroid plus organophosphate mixture. Insect Biochemistry and Molecular Biology. 32, pp. 1781-1791.

Behavioural consequences of pyrethroid resistance in the peach-potato aphid, Myzus persicae (Sulzer)

C1 - Edited contributions to conferences/learned societies

Eleftherianos, I., Foster, S. P., Williamson, M. S. and Denholm, I. 2002. Behavioural consequences of pyrethroid resistance in the peach-potato aphid, Myzus persicae (Sulzer). Proceedings Brighton Crop Protection Conference - Pests and Diseases - 2002 . pp. 745-748

Insecticide resistance on the move

A - Papers appearing in refereed journals

Denholm, I., Devine, G. J. and Williamson, M. S. 2002. Insecticide resistance on the move. Science - AAAS. 297 (5590), pp. 2222-2223. https://doi.org/10.1126/science.1077266

Characterisation of knockdown resistance to pyrethroid insecticides in the peach-potato aphid, Myzus persicae

C2 - Non-edited contributions to conferences

Denholm, I., Eleftherianos, I., Foster, S. P., Anstead, J. and Williamson, M. S. 2002. Characterisation of knockdown resistance to pyrethroid insecticides in the peach-potato aphid, Myzus persicae. Abstracts 10th IUPAC International Congress on the Chemistry of Crop Protection, Basel, 4-9 August 2002 . pp. 332

Identification and characterization of mutations in housefly (Musca domestica ) acetylcholinesterase involved in insecticide resistance

A - Papers appearing in refereed journals

Walsh, S. B., Dolden, T. A., Moores, G. D., Kristensen, M., Lewis, T., Devonshire, A. L. and Williamson, M. S. 2001. Identification and characterization of mutations in housefly (Musca domestica ) acetylcholinesterase involved in insecticide resistance. Biochemical Journal. 359, pp. 175-181.

The molecular interactions of pyrethroid insecticides with insect and mammalian sodium channels

A - Papers appearing in refereed journals

Vais, H., Williamson, M. S., Devonshire, A. L. and Usherwood, P. N. R. 2001. The molecular interactions of pyrethroid insecticides with insect and mammalian sodium channels. Pest Management Science. 57 (10), pp. 877-888. https://doi.org/10.1002/ps.392

Ecological implications of insecticide resistance in the peach-potato aphid Myzus persicae in the UK

C2 - Non-edited contributions to conferences

Foster, S. P., Williamson, M. S. and Denholm, I. 2001. Ecological implications of insecticide resistance in the peach-potato aphid Myzus persicae in the UK. Abstracts Royal Entomological Society Meeting on Insect Molecular Biology, Cardiff, September 2001 .

Toxicological and molecular characterisation of pyrethroid knockdown resistance (KDR ) in the peach-potato aphid, Myzus persicae Sulzer

C2 - Non-edited contributions to conferences

Eleftherianos, I., Foster, S. P., Williamson, M. S. and Denholm, I. 2001. Toxicological and molecular characterisation of pyrethroid knockdown resistance (KDR ) in the peach-potato aphid, Myzus persicae Sulzer. Abstracts Resistance 2001, Harpenden, 24-26 September 2001 .

Toxicological and molecular characterisation of pyrethroid knockdown resistance (KDR ) in the peach-potato aphid, Myzus persicae (Sulzer)

C2 - Non-edited contributions to conferences

Eleftherianos, I., Foster, S. P., Williamson, M. S. and Denholm, I. 2001. Toxicological and molecular characterisation of pyrethroid knockdown resistance (KDR ) in the peach-potato aphid, Myzus persicae (Sulzer). Abstracts Royal Entomological Society International Symposium on Insects and Disease, Aberdeen, September 2001 .

Toxicological and molecular characterisation of pyrethroid knockdown resistance (KDR ) in the peach-potato aphid, Myzus persicae (Sulzer)

C1 - Edited contributions to conferences/learned societies

Eleftherianos, I., Foster, S. P., Goodson, S. J., Williamson, M. S. and Denholm, I. 2001. Toxicological and molecular characterisation of pyrethroid knockdown resistance (KDR ) in the peach-potato aphid, Myzus persicae (Sulzer). Proceedings 6th International Symposium on Aphids: Aphids in a New Millennium, Rennes, 3-7 September 2001 .

A single amino acid change makes a rat neuronal sodium channel highly sensitive to pyrethroid insecticides

A - Papers appearing in refereed journals

Vais, H., Atkinson, S., Eldursi, N., Devonshire, A. L., Williamson, M. S. and Usherwood, P. N. R. 2000. A single amino acid change makes a rat neuronal sodium channel highly sensitive to pyrethroid insecticides. FEBS Letters. 470 (2), pp. 135-138. https://doi.org/10.1016/S0014-5793(00)01305-3

Cloning, heterologous expression and co-assembly of Mp(beta)1, a nicotinic acetylcholine receptor subunit from the aphid Myzus persicae

A - Papers appearing in refereed journals

Huang, Y., Williamson, M. S., Devonshire, A. L., Windass, J. D., Lansdell, S. J. and Millar, N. S. 2000. Cloning, heterologous expression and co-assembly of Mp(beta)1, a nicotinic acetylcholine receptor subunit from the aphid Myzus persicae. Neuroscience Letters. 284, pp. 116-120.

Molecular analysis of kdr -like resistance in permethrin-resistant strains of head lice, Pediculus capitis

A - Papers appearing in refereed journals

Lee, S. H., Yoon, K-S., Williamson, M. S., Goodson, S. J., Takano-Lee, M., Edman, J. D., Devonshire, A. L. and Clark, J. M. 2000. Molecular analysis of kdr -like resistance in permethrin-resistant strains of head lice, Pediculus capitis. Pesticide Biochemistry and Physiology. 66, pp. 130-143.

A sodium channel point mutation is associated with resistance to DDT and pyrethroid insecticides in the peach-potato aphid, Myzus persicae (Sulzer) (Hemiptera: Aphididae)

A - Papers appearing in refereed journals

Martinez-Torres, D., Foster, S. P., Field, L. M., Devonshire, A. L. and Williamson, M. S. 1999. A sodium channel point mutation is associated with resistance to DDT and pyrethroid insecticides in the peach-potato aphid, Myzus persicae (Sulzer) (Hemiptera: Aphididae). Insect Molecular Biology. 8 (3), pp. 339-346. https://doi.org/10.1046/j.1365-2583.1999.83121.x

Mutations in the housefly acetylcholinesterase gene that confer resistance to insecticides

C2 - Non-edited contributions to conferences

Williamson, M. S., Moores, G. D., Walsh, S., Dolden, T., Mullaley, A., Taylor, R. and Devonshire, A. L. 1999. Mutations in the housefly acetylcholinesterase gene that confer resistance to insecticides. Taylor, P., Gentry, M. K., Rotundo, R. L., Quinn, D. M. and Doctor, B. P. (ed.) Structure and functions of cholinesterases and related proteins . Plenum Press, New York. pp. 548

Reduced alarm response by peach-potato aphids, Myzus persicae (Hemiptera: Aphididae), with knock-down resistance to insecticides (kdr ) may impose a fitness cost through increased vulnerability to natural enemies

A - Papers appearing in refereed journals

Foster, S. P., Woodcock, C. M., Williamson, M. S., Devonshire, A. L., Denholm, I. and Thompson, R. 1999. Reduced alarm response by peach-potato aphids, Myzus persicae (Hemiptera: Aphididae), with knock-down resistance to insecticides (kdr ) may impose a fitness cost through increased vulnerability to natural enemies. Bulletin of Entomological Research. 89 (2), pp. 133-138. https://doi.org/10.1017/S0007485399000218

The evolution of insecticide resistance in the peach-potato aphid, Myzus persicae

E - Books edited/written by staff member, alone/with others

Field, L. M., Foster, S. P., Moores, G. D., Williamson, M. S. and Blackman, R. L. Devonshire, A. L., Pickett, J. A. and Denholm, I. (ed.) 1999. The evolution of insecticide resistance in the peach-potato aphid, Myzus persicae. CABI, Wallingford / the Royal Society.

Purification and biochemical characterization of affinity-tagged Musca domestica acetylcholinesterase secreted from baculovirus infected cells

C2 - Non-edited contributions to conferences

Moores, G. D., Williamson, M. S., Hadonou, M., Devonshire, A. L., Kataja, K., Uitto, J. and Oker-Blom, C. 1998. Purification and biochemical characterization of affinity-tagged Musca domestica acetylcholinesterase secreted from baculovirus infected cells. Taylor, P., Gentry, M. K., Rotundo, R. L., Quinn, D. M. and Doctor, B. P. (ed.) Structure and Function of Cholinesterases and Related Proteins . Plenum Press, New York. pp. 547

An insensitive AchE confers insecticide resistance in Myzus persicae

C2 - Non-edited contributions to conferences

Moores, G. D., Javed, N., Williamson, M. S., Devonshire, A. L. and Lewis, T. 1998. An insensitive AchE confers insecticide resistance in Myzus persicae. Taylor, P., Gentry, M. K., Rotundo, R. L., Quinn, D. M. and Doctor, B. P. (ed.) Structure and Function of Cholinesterases and Related Proteins . Plenum Press, New York. pp. 549

Biochemical and molecular characterisation of insecticide insensitive acetylcholinesterase in resistant insects

B - Book chapters etc edited externally

Devonshire, A. L., Byrne, F. J., Moores, G. D. and Williamson, M. S. 1998. Biochemical and molecular characterisation of insecticide insensitive acetylcholinesterase in resistant insects. in: Taylor, P., Gentry, M. K., Rotundo, R. L., Quinn, D. M. and Doctor, B. P. (ed.) Structure and function of cholinesterases and related proteins Plenum Press, New York. pp. 491-496

Knockdown resistance mutations confer insensitivity to deltamethrin on Drosophila para sodium channels

C2 - Non-edited contributions to conferences

Vais, H., Williamson, M. S., Devonshire, A. L., Warmke, J. W., Usherwood, P. N. R. and Cohen, C. J. 1998. Knockdown resistance mutations confer insensitivity to deltamethrin on Drosophila para sodium channels.

Characterisation of knockdown resistance to pyrethroid insecticides in Plutella xylostella

C1 - Edited contributions to conferences/learned societies

Schuler, T. H., Martinez-Torres, D., Thompson, A. J., Denholm, I., Devonshire, A. L., Duce, I. R. and Williamson, M. S. 1998. Characterisation of knockdown resistance to pyrethroid insecticides in Plutella xylostella. Proceedings 3rd International Workshop on the Management of Diamondback Moth and Other Crucifer Pests, Kuala-Lumpur, 29 Ocotober-1 November 1996 . pp. 215-218

Knowledge of gene sequences and its use in combating pesticide resistance

B - Book chapters etc edited externally

Miflin, B. J., Field, L. M., Williamson, M. S., Devonshire, A. L. and Denholm, I. 1998. Knowledge of gene sequences and its use in combating pesticide resistance. in: Copping, L. G., Livingstone, D. and Dixon, G. K. (ed.) Genomics: commercial opportunities from a scientific revolution BIOS Scientific Publishers Limited. pp. 189-198

Toxicological, electrophysiological, and molecular characterisation of knockdown resistance to pyrethroid insecticides in the diamondback moth, Plutella xylostella (L.)

A - Papers appearing in refereed journals

Schuler, T. H., Martinez-Torres, D., Thompson, A. J., Denholm, I., Devonshire, A. L., Duce, I. R. and Williamson, M. S. 1998. Toxicological, electrophysiological, and molecular characterisation of knockdown resistance to pyrethroid insecticides in the diamondback moth, Plutella xylostella (L.). Pesticide Biochemistry and Physiology. 59 (3), pp. 169-182. https://doi.org/10.1006/pest.1998.2320

Molecular genetic studies of knockdown resistance (kdr ) to pyrethroids

C2 - Non-edited contributions to conferences

Williamson, M. S., Martinez-Torres, D. and Devonshire, A. L. 1998. Molecular genetic studies of knockdown resistance (kdr ) to pyrethroids. Abstracts 9th International Congress on Pesticide Chemistry: the Food-Environment Challenge, London, 2-7 August 1998 . pp. 4B-044

Mutations in the housefly acetylcholinesterase gene that confer resistance to organophosphorus and carbamate insecticides

C2 - Non-edited contributions to conferences

Williamson, M. S., Moores, G. D., Walsh, S. B., Dolden, T. A., Mullaley, A., Taylor, R. and Devonshire, A. L. 1998. Mutations in the housefly acetylcholinesterase gene that confer resistance to organophosphorus and carbamate insecticides. Abstracts Neurotox '98: Progress in Neuropharmacology and Neurotoxicology of Pesticides and Drugs, Oxford, 28-31 July 1998 .

Molecular genetic studies of knockdown resistance (kdr ) to pyrethroids

C2 - Non-edited contributions to conferences

Williamson, M. S., Martinez-Torres, D., Goodson, S. and Devonshire, A. L. 1998. Molecular genetic studies of knockdown resistance (kdr ) to pyrethroids. Abstracts Neurotox '98: Progress in Neuropharmacology and Neurotoxicology of Pesticides and Drugs, Oxford, 28-31 July 1998 .

Knock-down resistance (KDR ) mutations confer insensitivity to deltamethrin on drosophila para sodium channels

C2 - Non-edited contributions to conferences

Vais, H., Williamson, M. S., Devonshire, A. L., Warmke, J. W., Usherwood, P. N. R. and Cohen, C. J. 1998. Knock-down resistance (KDR ) mutations confer insensitivity to deltamethrin on drosophila para sodium channels. Abstracts 9th International Congress on Pesticide Chemistry: the Food-Environment Challenge, London, 2-7 August 1998 . pp. 4B-043

Molecular characterisation of nicotinic acetylcholine receptor genes from the homopteran insects, Myzus persicae and Bemisia tabaci

C2 - Non-edited contributions to conferences

Huang, Y., Williamson, M. S., Devonshire, A. L., Windass, J. D., Lansdell, S. J. and Millar, N. S. 1998. Molecular characterisation of nicotinic acetylcholine receptor genes from the homopteran insects, Myzus persicae and Bemisia tabaci. Abstracts Neurotox '98: Progress in Neuropharmacology and Neurotoxicology of Pesticides and Drugs, Oxford, 28-31 July 1998 .

The evolution of insecticide resistance in the peach-potato aphid, Myzus persicae

A - Papers appearing in refereed journals

Devonshire, A. L., Field, L. M., Foster, S. P., Moores, G. D., Williamson, M. S. and Blackman, R. L. 1998. The evolution of insecticide resistance in the peach-potato aphid, Myzus persicae. Philosophical Transactions of the Royal Society B-Biological Sciences. 353 (1376), pp. 1677-1684. https://doi.org/10.1098/rstb.1998.0318

Molecular characterization of pyrethroid knockdown resistance (kdr ) in the major malaria vector Anopheles gambiae s.s.

A - Papers appearing in refereed journals

Martinez-Torres, D., Chandre, F., Williamson, M. S., Darriet, F., Berge, J. B., Devonshire, A. L., Guillet, P., Pasteur, N. and Pauron, D. 1998. Molecular characterization of pyrethroid knockdown resistance (kdr ) in the major malaria vector Anopheles gambiae s.s. Insect Molecular Biology. 7 (2), pp. 179-184. https://doi.org/10.1046/j.1365-2583.1998.72062.x

Molecular studies of knockdown resistance to pyrethroids: cloning of domain II sodium channel gene sequences from insects

A - Papers appearing in refereed journals

Martinez-Torres, D., Devonshire, A. L. and Williamson, M. S. 1997. Molecular studies of knockdown resistance to pyrethroids: cloning of domain II sodium channel gene sequences from insects. Pesticide Science. 51 (3), pp. 265-270. https://doi.org/10.1002/(SICI)1096-9063(199711)51:3<265::AID-PS626>3.0.CO;2-P

Use of biochemical and DNA diagnostics for characterising multiple mechanisms of insecticide resistance in the peach-potato aphid, Myzus persicae (Sulzer)

A - Papers appearing in refereed journals

Field, L. M., Anderson, A. P., Denholm, I., Foster, S. P., Harling, Z. K., Javed, N., Martinez-Torres, D., Moores, G. D., Williamson, M. S. and Devonshire, A. L. 1997. Use of biochemical and DNA diagnostics for characterising multiple mechanisms of insecticide resistance in the peach-potato aphid, Myzus persicae (Sulzer). Pesticide Science. 51 (3), pp. 283-289.

Functional analysis of a rat sodium channel carrying a mutation for insect knock-down resistance (kdr ) to pyrethroids

A - Papers appearing in refereed journals

Vais, H., Williamson, M. S., Hick, C. A., Eldursi, N., Devonshire, A. L. and Usherwood, P. N. R. 1997. Functional analysis of a rat sodium channel carrying a mutation for insect knock-down resistance (kdr ) to pyrethroids. FEBS Letters. 413 (2), pp. 327-332. https://doi.org/10.1016/S0014-5793(97)00931-9

Analysis of sodium channel gene sequences in kdr and super-kdr houseflies (Musca domestica )

C2 - Non-edited contributions to conferences

Martinez-Torres, D., Williamson, M. S., Hick, C. A. and Devonshire, A. L. 1996. Analysis of sodium channel gene sequences in kdr and super-kdr houseflies (Musca domestica ). Proceedings 20th International Congress of Entomology, Firenze, 25-31 August 1996 . pp. 586

New insights into insecticide mode of action and resistance using molecular genetic approaches

C2 - Non-edited contributions to conferences

Devonshire, A. L. and Williamson, M. S. 1996. New insights into insecticide mode of action and resistance using molecular genetic approaches. Abstracts SCI Meeting on Advances in Crop Protection, Cambridge, September 1996 .

Analysis of sodium channel gene sequences in pyrethroid-resistant houseflies. Progress toward a molecular diagnostic for knockdown resistance (kdr )

C1 - Edited contributions to conferences/learned societies

Williamson, M. S., Martinez-Torres, D., Hick, C. A., Castells-Brooke, N. I. D. and Devonshire, A. L. 1996. Analysis of sodium channel gene sequences in pyrethroid-resistant houseflies. Progress toward a molecular diagnostic for knockdown resistance (kdr ). Brown, T. M. (ed.) Molecular Genetics and Evolution of Pesticide Resistance. ACS Symposium Series 645 . American Chemical Society (ACS). pp. 52-61

Identification of mutations in the housefly para -type sodium channel gene associated with knockdown resistance (kdr ) to pyrethroid insecticide

A - Papers appearing in refereed journals

Williamson, M. S., Martinez-Torres, D., Hick, C. A. and Devonshire, A. L. 1996. Identification of mutations in the housefly para -type sodium channel gene associated with knockdown resistance (kdr ) to pyrethroid insecticide. Molecular and General Genetics. 252, pp. 51-60.

Musca domestica mRNA for voltage-sensitive sodium channel (6899bp)

K - Protein or DNA sequences submitted to database

Williamson, M. S. 1996. Musca domestica mRNA for voltage-sensitive sodium channel (6899bp).

Restriction fragment length polymorphism analysis of a sodium-channel gene locus in susceptible and knockdown-resistant house flies, Musca domestica

C1 - Edited contributions to conferences/learned societies

Bell, C. A., Williamson, M. S., Denholm, I. and Devonshire, A. L. 1995. Restriction fragment length polymorphism analysis of a sodium-channel gene locus in susceptible and knockdown-resistant house flies, Musca domestica. Clark, J. M. (ed.) Molecular Action of Insecticides on Ion Channels (ACS Symposium Series 591) . American Chemical Society (ACS). pp. 86-96

Combating insecticide resistance in pests

G - Articles in popular magazines and other technical publications

Winstanley, M., Williamson, M. S. and Devonshire, A. L. 1994. Combating insecticide resistance in pests. BBSRC Business. October 1994, pp. 12-14.

Cloning of a housefly sodium channel gene linked to pyrethroid resistance

C2 - Non-edited contributions to conferences

Williamson, M. S., Denholm, I., Bell, C. A. and Devonshire, A. L. 1994. Cloning of a housefly sodium channel gene linked to pyrethroid resistance. Abstracts Conference on Perspectives in Protein Engineering, Oxford. September 1994 .

Identification of mutations in the housefly acetylcholinesterase gene involved in resistance to insecticides

C2 - Non-edited contributions to conferences

Williamson, M. S., Crick, S. E., Moores, G. D. and Devonshire, A. L. 1994. Identification of mutations in the housefly acetylcholinesterase gene involved in resistance to insecticides. Abstracts Conference on Perspectives in Protein Engineering, Oxford, September 1994 .

Sodium channel protein - housefly (partial, residues 1-428)

K - Protein or DNA sequences submitted to database

Williamson, M. S. 1993. Sodium channel protein - housefly (partial, residues 1-428).

Cloning of a housefly sodium channel gene linked to pyrethroid resistance

C1 - Edited contributions to conferences/learned societies

Williamson, M. S., Bell, C. A., Denholm, I. and Devonshire, A. L. 1993. Cloning of a housefly sodium channel gene linked to pyrethroid resistance. Opportunities for Molecular Biology in Crop Production. British Crop Protection Council Monograph . British Crop Protection Council (BCPC).

A housefly sodium channel gene linked to pyrethroid resistance

C2 - Non-edited contributions to conferences

Williamson, M. S., Bell, C. A., Denholm, I. and Devonshire, A. L. 1993. A housefly sodium channel gene linked to pyrethroid resistance. Abstracts 17th International Congress of Genetics: Genetics and the Understanding of Life, Birmingham U.K., 15-21 August 1993 . pp. 231

Cloning of a housefly sodium channel gene linked to pyrethroid resistance

C2 - Non-edited contributions to conferences

Williamson, M. S., Denholm, I., Bell, C. A. and Devonshire, A. L. 1993. Cloning of a housefly sodium channel gene linked to pyrethroid resistance. Abstracts 2nd International Symposium on Molecular Insect Science, Flagstaff Arizona, July 1993 . pp. 182

Transcription analysis of a voltage-sensitive sodium channel gene by in situ hybridization and immunological characterization of its expression product in Musca domestica

C2 - Non-edited contributions to conferences

Pauron, D., Castells-Brooke, N. I. D., Williamson, M. S., Devonshire, A. L. and Berge, J. B. 1993. Transcription analysis of a voltage-sensitive sodium channel gene by in situ hybridization and immunological characterization of its expression product in Musca domestica. Abstracts 2nd International Symposium on Molecular Insect Science, Flagstaff Arizona, July 1993 . pp. 124

Analysis of the amplified esterase genes in insecticide-resistant Myzus persicae

C2 - Non-edited contributions to conferences

Field, L. M., Williamson, M. S., Moores, G. D. and Devonshire, A. L. 1993. Analysis of the amplified esterase genes in insecticide-resistant Myzus persicae. Abstracts 2nd International Symposium on Molecular Insect Science, Flagstaff Arizona, July 1993 . pp. 61

Biochemical and molecular basis of insecticide target site insensitivity in houseflies

C2 - Non-edited contributions to conferences

Devonshire, A. L. and Williamson, M. S. 1993. Biochemical and molecular basis of insecticide target site insensitivity in houseflies. Abstracts 2nd International Symposium on Molecular Insect Science, Flagstaff Arizona, July 1993 . pp. 3

Cloning and analysis of the esterase genes conferring insecticide resistance in the peach-potato aphid Myzus persicae (Sulzer)

A - Papers appearing in refereed journals

Field, L. M., Williamson, M. S., Moores, G. D. and Devonshire, A. L. 1993. Cloning and analysis of the esterase genes conferring insecticide resistance in the peach-potato aphid Myzus persicae (Sulzer). Biochemical Journal. 294, pp. 569-574.

Knockdown resistance (kdr) to DDT and pyrethroid insecticides maps to a sodium channel gene locus in the housefly (Musca domestica)

A - Papers appearing in refereed journals

Williamson, M. S., Denholm, I., Bell, C. A. and Devonshire, A. L. 1993. Knockdown resistance (kdr) to DDT and pyrethroid insecticides maps to a sodium channel gene locus in the housefly (Musca domestica). Molecular and General Genetics. 240, pp. 17-22.

Altered forms of acetylcholinesterase in insecticide-resistant houseflies (Musca domestica)

B - Book chapters etc edited externally

Williamson, M. S., Moores, G. D. and Devonshire, A. L. 1992. Altered forms of acetylcholinesterase in insecticide-resistant houseflies (Musca domestica). in: Shafferman, A. and Velan, B. (ed.) Multidisciplinary approaches to cholinesterase functions Plenum, New York. pp. 83-86

Molecular biology of insecticide resistance

C1 - Edited contributions to conferences/learned societies

Devonshire, A. L., Field, L. M. and Williamson, M. S. 1992. Molecular biology of insecticide resistance. Insect Molecular Science. Proceedings 16th Symposium of the Royal Entomological Society London, Imperial College London, September 1991. pp. 173-183

Functional analysis of the promoter region of a nodule-enhanced glutamine synthetase gene from Phaseolus vulgaris L.

A - Papers appearing in refereed journals

Shen, W-J., Williamson, M. S. and Forde, B. G. 1992. Functional analysis of the promoter region of a nodule-enhanced glutamine synthetase gene from Phaseolus vulgaris L. Plant Molecular Biology. 19, pp. 837-846.

Differential effects of the Hiproly lysl gene on the developmental synthesis of (lysine-rich) proteins from barley endosperm.

A - Papers appearing in refereed journals

Rasmussen, U., Williamson, M. S., Mundy, J. and Kreis, M. 1988. Differential effects of the Hiproly lysl gene on the developmental synthesis of (lysine-rich) proteins from barley endosperm. Plant Science. 55, pp. 255-266.

Nucleotide sequence of a barley genomic clone for chymotrypsin inhibitor-2.

A - Papers appearing in refereed journals

Peterson, D. M., Forde, J., Williamson, M. S., Rohde, W. and Kreis, M. 1988. Nucleotide sequence of a barley genomic clone for chymotrypsin inhibitor-2. Journal of Cell Biochemistry Supplement. 12C, p. 184.

Molecular cloning of the barley seed protein CMd: a variant member of the alpha-amylase/trypsin inhibitor family of cereals.

A - Papers appearing in refereed journals

Halford, N. G., Morris, N. A., Urwin, P., Williamson, M. S., Kasarda, D. D., Lew, E. J-L., Kreis, M. and Shewry, P. R. 1988. Molecular cloning of the barley seed protein CMd: a variant member of the alpha-amylase/trypsin inhibitor family of cereals. Biochimica et Biophysica Acta (BBA) - Gene structure and expression. 950 (3), pp. 435-440. https://doi.org/10.1016/0167-4781(88)90141-8

Identification of a second locus encoding beta-amylase on chromosome 2 of barley.

A - Papers appearing in refereed journals

Kreis, M., Williamson, M. S., Shewry, P. R., Sharp, P. and Gale, M. 1988. Identification of a second locus encoding beta-amylase on chromosome 2 of barley. Genetical Research. 51, pp. 13-16.

Molecular cloning of two isoinhibitor forms of chymotrypsin inhibitor 1 (CDI-1) from barley endosperm and their expression in normal and mutant barleys.

A - Papers appearing in refereed journals

Williamson, M. S., Forde, J. and Kreis, M. 1988. Molecular cloning of two isoinhibitor forms of chymotrypsin inhibitor 1 (CDI-1) from barley endosperm and their expression in normal and mutant barleys. Plant Molecular Biology. 10, pp. 521-535.

The biochemical and molecular genetics of barley seed proteins.

C1 - Edited contributions to conferences/learned societies

Shewry, P. R., Williamson, M. S., Parmar, S., Burgess, S. R., Buxton, B. and Kreis, M. 1987. The biochemical and molecular genetics of barley seed proteins. Barley genetics V. Proceedings 5th International Barley Genetics Symposium, Okayama, Japan, 1986. Eds S. Yasuda & T. Konishi.. pp. 433-443

Structure and regulation of expression of seed proteins in barley.

G - Articles in popular magazines and other technical publications

Kreis, M., Williamson, M. S., Forde, J., Clarke, J., Buxton, B., Pywell, J., Marris, C., Gallois, P. and Shewry, P. R. 1987. Structure and regulation of expression of seed proteins in barley. Plant Physiology and Biochemistry. 25, pp. 291-302.

Nucleotide sequence of barley chymotrypsin inhibitor-2 (CI-2) and its expression in normal and high-lysine barley.

A - Papers appearing in refereed journals

Williamson, M. S., Forde, J., Buxton, B. and Kreis, M. 1987. Nucleotide sequence of barley chymotrypsin inhibitor-2 (CI-2) and its expression in normal and high-lysine barley. European Journal of Biochemistry. 165, pp. 99-106. https://doi.org/10.1111/j.1432-1033.1987.tb11199.x

Structure and regulation of expression of seed protein genes in barley.

A - Papers appearing in refereed journals

Kreis, M., Williamson, M. S., Forde, J., Clark, J., Buxton, B., Pywell, J., Marris, C., Gallois, P. and Shewry, P. R. 1987. Structure and regulation of expression of seed protein genes in barley. Plant Physiology and Biochemistry. 25, pp. 291-302.

Expression of barley chymotrypsin inhibitor genes.

G - Articles in popular magazines and other technical publications

Williamson, M. S., Forde, J., Peterson, D. and Kreis, M. 1987. Expression of barley chymotrypsin inhibitor genes. Plant Physiology. 83S, p. 163.

Polymorphism of barley seed proteins and their genes as markers for linked characters on chromosome 5.

G - Articles in popular magazines and other technical publications

Shewry, P. R., Williamson, M. S., Burgess, J. R. and Kreis, M. 1987. Polymorphism of barley seed proteins and their genes as markers for linked characters on chromosome 5.

Characterisation of proteins and genes determining barley feed quality.

G - Articles in popular magazines and other technical publications

Kreis, M., Forde, J., Williamson, M. S. and Shewry, P. R. 1987. Characterisation of proteins and genes determining barley feed quality.

Effects of mutant genes on the synthesis of storage components in developing barley endosperms.

G - Articles in popular magazines and other technical publications

Shewry, P. R., Williamson, M. S. and Kreis, M. 1987. Effects of mutant genes on the synthesis of storage components in developing barley endosperms.

Primary structure and differential expression of beta-amylase in normal and mutant barleys.

A - Papers appearing in refereed journals

Kreis, M., Williamson, M. S., Buxton, B., Pywell, J., Hejgaard, J. and Svendsen, I. 1987. Primary structure and differential expression of beta-amylase in normal and mutant barleys. European Journal of Biochemistry. 169, pp. 517-525. https://doi.org/10.1111/j.1432-1033.1987.tb13640.x

Effects of mutant genes on the synthesis of storage components in developing barley endosperms

B - Book chapters etc edited externally

Shewry, P. R., Williamson, M. S. and Kreis, M. 1987. Effects of mutant genes on the synthesis of storage components in developing barley endosperms. in: Thomas H. and Grierson, D. (ed.) Developmental mutants in higher plants Cambridge University Press. pp. 95-118

Differential gene expression in the developing barley endosperm.

A - Papers appearing in refereed journals

Kreis, M., Williamson, M. S., Forde, J., Schmutz, D., Clark, J., Buxton, B., Pywell, J., Marris, C., Henderson, J., Harris, N., Shewry, P. R., Forde, B. G. and Miflin, B. J. 1986. Differential gene expression in the developing barley endosperm. Philosophical Transactions of the Royal Society B-Biological Sciences. B 314 (1166), pp. 355-365. https://doi.org/10.1098/rstb.1986.0058

Short tandem repeats shared by b-hordein and c-hordein cdnas suggest a common evolutionary origin for 2 groups of cereal storage protein genes

A - Papers appearing in refereed journals

Forde, B. G., Kreis, M., Williamson, M. S., Fry, R. P., Pywell, J., Shewry, P. R., Bunce, N. and Miflin, B. J. 1985. Short tandem repeats shared by b-hordein and c-hordein cdnas suggest a common evolutionary origin for 2 groups of cereal storage protein genes. Embo Journal. 4 (1), pp. 9-15. https://doi.org/10.1002/j.1460-2075.1985.tb02310.x