Emyr Davies

Name	Emyr Davies
Job title	Senior Research Scientist - Molecular Entomology
Email address	emyr.davies@rothamsted.ac.uk
Department	Protecting Crops and the Environment
Research cluster	BCP: Pesticide Resistance
ORCID	https://orcid.org/0000-0002-9452-2947
Preferred citation	Davies, T. G. E.
Office	Harpenden

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Research outputs

Acute imidacloprid exposure alters mitochondrial function in bumblebee flight muscle and brain - Correction / Corrigendum

Sargent, C., Ebanks, B., Hardy, I. C. W., Davies, T. G. E., Chakrabarti, L. and Stöger, R. 2024. Acute imidacloprid exposure alters mitochondrial function in bumblebee flight muscle and brain - Correction / Corrigendum. Insect Science. 4, p. 1415939. https://doi.org/10.3389/finsc.2024.1415939

Key role of the ryanodine receptor I4790K mutation in mediating diamide resistance in Plutella xylostella

Jiang, D., Yu, Z., He, Y., Wang, F., Gu, Y., Davies, T. G. E., Fan, Z., Wang, X. and Wu, Y. 2024. Key role of the ryanodine receptor I4790K mutation in mediating diamide resistance in Plutella xylostella. Insect Biochemistry and Molecular Biology. 168 (May), p. 104107. https://doi.org/10.1016/j.ibmb.2024.104107

A sublethal concentration of Sulfoxaflor has minimal impact on buff-tailed bumblebee (Bombus terrestris) locomotor behaviour under aversive conditioning

James, L., Reynolds, A. M., Mellor, I. R. and Davies, T. G. E. 2023. A sublethal concentration of Sulfoxaflor has minimal impact on buff-tailed bumblebee (Bombus terrestris) locomotor behaviour under aversive conditioning. Toxics. 11 (3), p. 279. https://doi.org/10.3390/toxics11030279

The complete genome assemblies of 19 insect pests of worldwide importance to agriculture

King, R., Buer, B., Davies, T. G. E., Ganko, E., Guest, M., Hassani-Pak, K., Hughes, D. J., Raming, K., Rawlings, C. J., Williamson, M. S., Crossthwaite, A., Nauen, R. and Field, L. M. 2023. The complete genome assemblies of 19 insect pests of worldwide importance to agriculture. Pesticide Biochemistry and Physiology. 191, p. 105339. https://doi.org/10.1016/j.pestbp.2023.105339

Doublesex homolog is sex-specifically spliced and governs the sexual differentiation process in the whitefly Bemisia tabaci AsiaII-1

Brar, G. S., Singh, S., Shukla, J. N., Kumar, V. J., Davies, T. G. E., Kaur, G., Pandher, S and Kaur, R. 2022. Doublesex homolog is sex-specifically spliced and governs the sexual differentiation process in the whitefly Bemisia tabaci AsiaII-1. Gene. 850, p. 146929. https://doi.org/10.1016/j.gene.2022.146929

P450 gene duplication and divergence led to the evolution of dual novel functions and insecticide cross-resistance in the brown planthopper Nilaparvata lugens

Duarte, A., Pym, A., Garrood, W. T., Troczka, B. J., Zimmer, C. T., Davies, T. G. E., Nauen, R., O'Reilly, O. A. and Bass, C. G. 2022. P450 gene duplication and divergence led to the evolution of dual novel functions and insecticide cross-resistance in the brown planthopper Nilaparvata lugens. PLOS Genetics. 18 (6), p. e1010279. https://doi.org/10.1371/journal.pgen.1010279

Diamide insecticide resistance in transgenic Drosophila and Sf9-cells expressing a full-length diamondback moth ryanodine receptor carrying an I4790M mutation

Richardson, E., Homem, R. A., Troczka, B. J., George, C. H., Ebbinghaus-Kintscher, U., Williamson, M. S., Nauen, R. and Davies, T. G. E. 2021. Diamide insecticide resistance in transgenic Drosophila and Sf9-cells expressing a full-length diamondback moth ryanodine receptor carrying an I4790M mutation. Pest Management Science. https://doi.org/10.1002/ps.6730

Chimeric Investigations into the Diamide Binding Site on the Lepidopteran Ryanodine Receptor

Richardson, E., Troczka, B. J., Gutbrod, O., Ebbinghaus-Kintscher, U., Williamson, M. S., George, C.H., Nauen, R. and Davies, T. G. E. 2021. Chimeric Investigations into the Diamide Binding Site on the Lepidopteran Ryanodine Receptor. International Journal Of Molecular Sciences. 22 (23), p. 130333. https://doi.org/10.3390/ijms222313033

Acute Imidacloprid Exposure Alters Mitochondrial Function in Bumblebee Flight Muscle and Brain

Sargent, C., Ebanks, B., Hardy, I. C. W., Davies, T. G. E., Chakrabarti, L. and Stoger, R. 2021. Acute Imidacloprid Exposure Alters Mitochondrial Function in Bumblebee Flight Muscle and Brain. Frontiers in Insect Science. https://doi.org/10.3389/finsc.2021.765179

A toxicogenomics approach reveals characteristics supporting the honey bee (Apis mellifera L.) safety profile of the butenolide insecticide flupyradifurone

Hass, J., Zaworra, M., Glaubitz, J., Hertlein, G., Kohler, M., Lagojda, A., Lueke, B., Maus, C., Almanza, M-T., Davies, T. G. E., Bass, C. and Nauen, R. 2021. A toxicogenomics approach reveals characteristics supporting the honey bee (Apis mellifera L.) safety profile of the butenolide insecticide flupyradifurone. Ecotoxicology and Environmental Safety. 217 (1 July), p. 112247. https://doi.org/10.1016/j.ecoenv.2021.112247

Fly-Tox: A panel of transgenic flies expressing pest and pollinator cytochrome P450s

McLeman, A., Troczka, B. J., Homem, R. A., Duarte, A., Zimmer, C. T., Garrood, W. T., Pym, A., Beadle, K., Reid, R. J., Douris, V., Vontas, J., Davies, T. G. E., Ffrench-Constant, R., Nauen, R. and Bass, C. G. 2020. Fly-Tox: A panel of transgenic flies expressing pest and pollinator cytochrome P450s. Pesticide Biochemistry and Physiology. p. 104674. https://doi.org/10.1016/j.pestbp.2020.104674

Investigating the status of pyrethroid resistance in UK populations of the cabbage stem flea beetle (Psylliodes chrysocephala)

Willis, C., Foster, S. P., Zimmer, C. T., Elias, J., Chang, X., Field, L. M., Williamson, M. S. and Davies, T. G. E. 2020. Investigating the status of pyrethroid resistance in UK populations of the cabbage stem flea beetle (Psylliodes chrysocephala) . Crop Protection. p. 105316. https://doi.org/10.1016/j.cropro.2020.105316

Evolutionary trade-offs of insecticide resistance – the fitness costs associated with target-site mutations in the nAChR of Drosophila melanogaster

Homem, R. A., Buttery, B., Richardson, E., Tan, Y., Field, L. M., Williamson, M. S. and Davies, T. G. E. 2020. Evolutionary trade-offs of insecticide resistance – the fitness costs associated with target-site mutations in the nAChR of Drosophila melanogaster. Molecular Ecology. 29, pp. 2661-2675. https://doi.org/10.1111/mec.15503

The effects of knock-down resistance mutations and alternative splicing on voltage-gated sodium channels in Musca domestica and Drosophila melanogaster

Thompson, A. J., Verdin, P. S., Burton, M. J., Davies, T. G. E., Williamson, M. S., Field, L. M., Baines, R. A., Mellor, I. R. and Duce, I. R. 2020. The effects of knock-down resistance mutations and alternative splicing on voltage-gated sodium channels in Musca domestica and Drosophila melanogaster. Insect Biochemistry and Molecular Biology. 122, p. 103388. https://doi.org/10.1016/j.ibmb.2020.103388

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

Benavent-Albarracin, L., Alonso, M., Catalan, J., Urbaneja, A., Davies, T. G. E., Williamson, M. S. and Gonzalez-Cabrera, J. 2020. Mutations in the voltage-gated sodium channel gene associated with deltamethrin resistance in commercially sourced Phytoseiulus persimilis. Insect Molecular Biology. 29 (4), pp. 373-380. https://doi.org/10.1111/imb.12642

Diamide resistance: 10 years of lessons from Lepidopteran pests

Richardson, E., Troczka, B. J., Gutbrod, O., Davies, T. G. E. and Nauen, R. 2020. Diamide resistance: 10 years of lessons from Lepidopteran pests. Journal of Pest Science. 93, pp. 911-928. https://doi.org/10.1007/s10340-020-01220-y

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

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

Do bumblebees have signatures? Demonstrating the existence of a speed-curvature power law in Bombus terrestris locomotion patterns.

James, L., Davies, T. G. E., Lim, K. S. and Reynolds, A. M. 2020. Do bumblebees have signatures? Demonstrating the existence of a speed-curvature power law in Bombus terrestris locomotion patterns. PLOS ONE. 15 (1), p. e0226393. https://doi.org/10.1371/journal.pone.0226393

Host plant adaptation in the polyphagous whitefly, Trialeurodes vaporariorum, is associated with transcriptional plasticity and altered sensitivity to insecticides

Pym, A., Singh, K. S., Nordgren, A., Davies, T. G. E., Zimmer, C. T., Elias, J., Slater, R. and Bass, C. G. 2019. Host plant adaptation in the polyphagous whitefly, Trialeurodes vaporariorum, is associated with transcriptional plasticity and altered sensitivity to insecticides. BMC Genomics. 20 (996). https://doi.org/10.1186/s12864-019-6397-3

RNA interference-mediated knockdown of voltage-gated sodium channel (MpNav) gene causes mortality in peach-potato aphid, Myzus persicae

Tariq, K., Ali, A., Davies, T. G. E., Naz, E., Naz, L., Sohail, S., Hou, M. and Ullah, F. 2019. RNA interference-mediated knockdown of voltage-gated sodium channel (MpNav) gene causes mortality in peach-potato aphid, Myzus persicae. Scientific Reports. 9 (1), p. 5291. https://doi.org/10.1038/s41598-019-41832-8

Genomic insight into neonicotinoid sensitivity in the solitary bee Osmia bicornis

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

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

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

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

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

An analysis of variability in genome organisation of intracellular calcium release channels across insect orders

Troczka, B. J., Richardson, E., Homem, R. A. and Davies, T. G. E. 2018. An analysis of variability in genome organisation of intracellular calcium release channels across insect orders. Gene. 670 (5 September), pp. 70-86. https://doi.org/10.1016/j.gene.2018.05.075

An overview of functional genomic tools in deciphering insecticide resistance

Homem, R. A. and Davies, T. G. E. 2018. An overview of functional genomic tools in deciphering insecticide resistance. Current Opinion in Insect Science. 27 (June), pp. 103-110. https://doi.org/10.1016/j.cois.2018.04.004

Unravelling the molecular determinants of bee sensitivity to neonicotinoid insecticides

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

Neofunctionalization of Duplicated P450 Genes Drives the Evolution of Insecticide Resistance in the Brown Planthopper

Zimmer, C. T., Garrood, W. T., Singh, K. S., Randall, E., Lueke, B., Gutbrod, O., Matthiesen, S., Kohler, M., Nauen, R., Davies, T. G. E. and Bass, C. 2018. Neofunctionalization of Duplicated P450 Genes Drives the Evolution of Insecticide Resistance in the Brown Planthopper. Current Biology. 28 (2), pp. 268-274. https://doi.org/10.1016/j.cub.2017.11.060

Aphid Genomics and its contribution to understanding aphids as crop pests

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

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

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

Voltage-gated sodium channels as targets for pyrethroid insecticides

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

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

Ion channels as insecticide targets

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

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

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

Field-evolved resistance to imidacloprid and ethiprole in populations of brown planthopper Nilaparvata lugens collected from across South and East Asia

Garrood, W. T., Zimmer, C. T., Gorman, K. J., Nauen, R., Bass, C. and Davies, T. G. E. 2016. Field-evolved resistance to imidacloprid and ethiprole in populations of brown planthopper Nilaparvata lugens collected from across South and East Asia. Pest Management Science. 72 (1), pp. 140-149. https://doi.org/10.1002/ps.3980

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

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

Pest control and resistance management through release of insects carrying a male-selecting transgene

Harvey-Samuel, T., Morrison, N. I., Walker, A. S., Marubbi, T., Yao, J., Collins, H. L., Gorman, K., Davies, T. G. E., Alphey, N., Warner,S., Shelton, A. M. and Alphey, L. 2015. Pest control and resistance management through release of insects carrying a male-selecting transgene. BMC Biology. 13, p. 49. https://doi.org/10.1186/s12915-015-0161-1

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

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

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

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

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

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

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

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

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

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

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

Insecticide resistance in the aphid Myzus persicae

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.

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

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 .

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

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

Genome sequence of the pea aphid Acyrthosiphon pisum

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

Acyrthosiphon pisum mRNA for voltage gated sodium channel. EMBL accessions BN001311. BN001313, BN001314

Davies, T. G. E. 2010. Acyrthosiphon pisum mRNA for voltage gated sodium channel. EMBL accessions BN001311. BN001313, BN001314.

Identification of ion channel genes in the Acyrthosiphon pisum genome

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

Interactions of pyrethroids with the voltage-gated sodium channel

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

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.

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

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

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

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

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

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

DDT, pyrethrins, pyrethroids and insect sodium channels

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

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

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

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

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

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

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

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 .

Restricted spatial expression of a high-affinity phosphate transporter in potato roots

Gordon-Weeks, R., Tong, Y., Davies, T. G. E. and Leggewie, G. 2003. Restricted spatial expression of a high-affinity phosphate transporter in potato roots. Journal Of Cell Science. 116 (15), pp. 3135-3144. https://doi.org/10.1242/jcs.00615

Expression analysis of putative high-affinity phosphate transporters in Chinese winter wheats

Davies, T. G. E., Ying, J., Xu, Q., Li, Z. S., Li, J. and Gordon-Weeks, R. 2002. Expression analysis of putative high-affinity phosphate transporters in Chinese winter wheats. Plant, Cell and Environment. 25 (10), pp. 1325-1339. https://doi.org/10.1046/j.1365-3040.2002.00913.x

Triticum aestivum partial mRNA for putative inorganic phosphate transporter (pt8 gene)

Davies, T. G. E. 2001. Triticum aestivum partial mRNA for putative inorganic phosphate transporter (pt8 gene).

Triticum aestivum partial mRNA for inorganic phosphate transporter (pt7 gene)

Davies, T. G. E. 2001. Triticum aestivum partial mRNA for inorganic phosphate transporter (pt7 gene).

Triticum aestivum partial mRNA for inorganic phosphate transporter (pt6 gene)

Davies, T. G. E. 2001. Triticum aestivum partial mRNA for inorganic phosphate transporter (pt6 gene).

Unlocking soil phosphorus with the help of P efficient wheat varieties from China

Gordon-Weeks, R., Davies, T. G. E. and Barraclough, P. B. 2001. Unlocking soil phosphorus with the help of P efficient wheat varieties from China. BBSRC Business. January 2001, pp. 20-21.

Localisation of high affinity phosphate transporters

Gordon-Weeks, R., Davies, T. G. E., Xu, Q., Ying, J. and Li, Z-S. 2001. Localisation of high affinity phosphate transporters. Proceedings 12th International Workshop on Plant Membrane Biology, Madison, 11-16 August 2001 . pp. 216

Triticum aestivum partial mRNA for putative inorganic phosphate transporter, (pt5 gene), clone 2

Davies, T. G. E. 2001. Triticum aestivum partial mRNA for putative inorganic phosphate transporter, (pt5 gene), clone 2.

The Arabidopsis thaliana ABC protein superfamily: a complete inventory

Sanchez-Fernandez, R., Davies, T. G. E., Coleman, J. O. D. and Rea, P. A. 2001. The Arabidopsis thaliana ABC protein superfamily: a complete inventory. Abstracts 12th International Workshop on Plant Membrane Biology, Madison, 11-16 August 2001 . pp. 77

The Arabidopsis thaliana ABC protein superfamily: a complete inventory

Sanchez-Fernandez, R., Davies, T. G. E., Coleman, J. O. D. and Rea, P. A. 2001. The Arabidopsis thaliana ABC protein superfamily: a complete inventory. Journal of Biological Chemistry. 276 (32), pp. 30231-30244. https://doi.org/10.1074/jbc.M103104200

Complete inventory of Arabidopsis ABC proteins

Sanchez-Fernandez, R., Davies, T. G. E., Coleman, J. O. D. and Rea, P. A. 2001. Complete inventory of Arabidopsis ABC proteins. 3rd FEBS Advanced Lecture Course on ATP-Binding Cassette (ABC) Proteins: from Multidrug Resistance to Genetic Disease, Gosau, Austria, 3-10 March 2001 .

Do plants have more genes than humans? Yes when it comes to ABC proteins

Sanchez-Fernandez, R., Rea, P. A., Davies, T. G. E. and Coleman, J. O. D. 2001. Do plants have more genes than humans? Yes when it comes to ABC proteins. Trends in Plant Science. 6 (8), pp. 347-348. https://doi.org/10.1016/S1360-1385(01)02038-6

ArabidopsisABC.Net (Web site at http://www.arabidopsisabc.net)

Sanchez-Fernandez, R., Rea, P. A., Davies, T. G. E. and Coleman, J. O. D. 2001. ArabidopsisABC.Net (Web site at http://www.arabidopsisabc.net).

Do plants have more genes than humans? Yes when it comes to ABC proteins (Online preview of paper to be published in Trends in Plant Science )

Sanchez-Fernandez, R., Rea, P. A., Davies, T. G. E. and Coleman, J. O. D. 2001. Do plants have more genes than humans? Yes when it comes to ABC proteins (Online preview of paper to be published in Trends in Plant Science ). HMS Beagle. 106.

Physcomitrella patens partial vp1 gene for vacuolar pyrophosphatase, exons 1-3

Davies, T. G. E. 2001. Physcomitrella patens partial vp1 gene for vacuolar pyrophosphatase, exons 1-3.

Physcomitrella patens partial mRNA for vacuolar pyrophosphatase (vp1 gene)

Davies, T. G. E. 2001. Physcomitrella patens partial mRNA for vacuolar pyrophosphatase (vp1 gene).

The Arabidopsis thaliana ATP-binding cassette proteins: an emerging superfamily

Davies, T. G. E. and Coleman, J. O. D. 2000. The Arabidopsis thaliana ATP-binding cassette proteins: an emerging superfamily. Plant, Cell and Environment. 23 (5), pp. 431-443. https://doi.org/10.1046/j.1365-3040.2000.00577.x

ATP-binding cassette proteins of Arabidopsis thaliana

Davies, T. G. E. and Coleman, J. O. D. 2000. ATP-binding cassette proteins of Arabidopsis thaliana. Abstracts Society for Experimental Biology Plant Transport Group Meeting, Hatfield, 6-9 September 2000 .

Isolation of an Arabidopsis AtPT2 transposon insertion mutant from the John Innes SLAT collection

Davies, T. G. E. and Gordon-Weeks, R. 2000. Isolation of an Arabidopsis AtPT2 transposon insertion mutant from the John Innes SLAT collection. Abstracts Society for Experimental Biology Plant Transport Group Meeting, Hatfield, 6-9 September 2000 .

Characterisation of high-affinity phosphate transporter homologues from phosphate-efficient Chinese wheat varieties

Davies, T. G. E., Xu, Q., Li, Z. and Gordon-Weeks, R. 2000. Characterisation of high-affinity phosphate transporter homologues from phosphate-efficient Chinese wheat varieties. Abstracts Society for Experimental Biology Plant Transport Group Meeting, Hatfield, 6-9 September 2000 .

ATP-binding cassette proteins of Arabidopsis thaliana

Davies, T. G. E. and Coleman, J. O. D. 2000. ATP-binding cassette proteins of Arabidopsis thaliana. Abstracts COST Action 837 Workshop on Phytoremediation 2000 - State of the Art in Europe - an Intercontinental Comparison, Athens, 6-8 April 2000 . pp. 148

Biochemical characterisation of plant plasma membrane phosphate transporters

Gordon-Weeks, R., Leggewie, G. and Davies, T. G. E. 1999. Biochemical characterisation of plant plasma membrane phosphate transporters. InAbstracts Society for Experimental Biology Plant Transport Group Meeting, Southampton, 8-10 September 1999 .

Structural aspects of the effectiveness of bisphosphonates as competitive inhibitors of the plant vacuolar proton-pumping pyrophosphatase

Gordon-Weeks, R., Parmar, S., Davies, T. G. E. and Leigh, R. A. 1999. Structural aspects of the effectiveness of bisphosphonates as competitive inhibitors of the plant vacuolar proton-pumping pyrophosphatase. Biochemical Journal. 337, pp. 373-377.

Are P-glycoproteins in plants chloride channel regulators?

Davies, T. G. E. 1998. Are P-glycoproteins in plants chloride channel regulators? Abstracts 9th Colloque Canaux Ioniques, La Londe les Maures, 1998 . pp. P42

Molecular approaches towards elucidation of the function of the vacuolar H+-pumping inorganic pyrophosphatase in plants

Davies, T. G. E., Gordon-Weeks, R., Zrenner, R., Stitt, M., Knight, C. D., Wang, T. L. and Leigh, R. A. 1998. Molecular approaches towards elucidation of the function of the vacuolar H+-pumping inorganic pyrophosphatase in plants. Abstracts 11th International Workshop on Plant Membrane Biology, Cambridge, 9-14 August 1998 .

HvMDR 2 - a novel P-glycoprotein homologue from barley

Theodoulou, F. L., Davies, T. G. E., Hallahan, D. L. and Forde, B. G. 1998. HvMDR 2 - a novel P-glycoprotein homologue from barley. Abstracts 11th International Workshop on Plant Membrane Biology, Cambridge, 9-14 August 1998 . pp. 78

Pyrophosphate analogues differ in their effectiveness as competitive inhibitors of the plant vacuolar proton-pumping pyrophosphatase.

Gordon-Weeks, R., Davies, T. G. E., Parmar, S. and Leigh, R. A. 1998. Pyrophosphate analogues differ in their effectiveness as competitive inhibitors of the plant vacuolar proton-pumping pyrophosphatase. Abstracts 11th International Workshop on Plant Membrane Biology, Cambridge, 9-14 August 1998 . pp. 56

Structure and function of the plant vacuolar H+-pumping inorganic pyrophosphatase

Gordon-Weeks, R., Davies, T. G. E., Parmar, S. and Leigh, R. A. 1997. Structure and function of the plant vacuolar H+-pumping inorganic pyrophosphatase. Ecophysiology of Plants: Molecules, Membranes and Mechanisms. Abstracts 2nd International Symposium of the Sonderforschungsbereich 199, Edernburg, Germany, 30 October-2 November 1997 . pp. 30-31

Characterization of a novel P-glycoprotein homologue from barley - an ABC-type transporter with no assigned function in plants

Davies, T. G. E. and Forde, B. G. 1997. Characterization of a novel P-glycoprotein homologue from barley - an ABC-type transporter with no assigned function in plants. Abstracts SEB Plant Transport Group Workshop, Glasgow, 8-10 September 1997 . pp. T10

Pyrophosphate analogues differ in their effectiveness as competitive inhibitors of the plant vacuolar proton-pumping pyrophosphatase: a structural explanation

Davies, T. G. E., Parmar, S., Gordon-Weeks, R. and Leigh, R. A. 1997. Pyrophosphate analogues differ in their effectiveness as competitive inhibitors of the plant vacuolar proton-pumping pyrophosphatase: a structural explanation. Abstracts SEB Plant Transport Group Workshop, Glasgow, 8-10 September 1997 . pp. T7

Cloning and characterisation of a novel P-glycoprotein homologue from barley

Davies, T. G. E., Theodoulou, F. L., Hallahan, D. L. and Forde, B. G. 1997. Cloning and characterisation of a novel P-glycoprotein homologue from barley. Gene. 199, pp. 195-202.

Detoxification of xenobiotics by plants: chemical modification and vacuolar compartmentation

Coleman, J. O. D., Blake-Kalff, M. M. A. and Davies, T. G. E. 1997. Detoxification of xenobiotics by plants: chemical modification and vacuolar compartmentation. Trends in Plant Science. 2 (4), pp. 144-151. https://doi.org/10.1046/j.1365-3040.1997.d01-93.x

Emyr Davies

Research outputs

Projects