Freddie Theodoulou

Name	Freddie Theodoulou
Job title	Strategic Science Director - Agri-Sciences for the Bioeconomy
Email address	freddie.theodoulou@rothamsted.ac.uk
Department	Plant Sciences and the Bioeconomy
Research cluster	PS: Oilseed Metabolism and Development
ORCID	https://orcid.org/0000-0002-8306-0716
Preferred citation	Theodoulou, F. L.
Office	Harpenden

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Research outputs

The lowdown on breakdown: Open questions in plant proteolysis

Eckardt, N. A., Wittenberg, T. A., Bassham, D. C., Chen, P., Chen, Q., Fang, J., Genschik, P., Ghifari, A. S., Guercio, A. M., Gibbs, D. J., Heese, M., Jarvis, R. P., Michaeli, S., Murcha, M. W., Mursalimov, S., Noir, S., Palayam, M., Peixoto, B., Rodriguez, P. L., Schaller, A., Schnittger, A., Serino, G., Shabek, N., Stintzi, A., Theodoulou, F. L., Üstün, S., van Wijk, K. J., Wei, N., Xie, Q., Yu, F. and Zhang, H. 2024. The lowdown on breakdown: Open questions in plant proteolysis. The Plant Cell. p. koae193. https://doi.org/10.1093/plcell/koae193

BIG enhances Arg/N-degron pathway-mediated protein degradation to regulate Arabidopsis hypoxia responses and suberin deposition

Zhang, H., Rundle, C., Winter, N., Miricescu, A., Mooney B. C., Bachmair, A., Graciet, E. and Theodoulou, F. L. 2024. BIG enhances Arg/N-degron pathway-mediated protein degradation to regulate Arabidopsis hypoxia responses and suberin deposition. The Plant Cell. p. koae117. https://doi.org/10.1093/plcell/koae117

Relative Protein Lifetime Measurement in Plants Using Tandem Fluorescent Protein Timers

Zhang, H., Linster, E., Wirtz, M. and Theodoulou, F. L. 2022. Relative Protein Lifetime Measurement in Plants Using Tandem Fluorescent Protein Timers. in: Lois, L. M. and Trujillo, M. (ed.) Plant Proteostasis New York Humana Press Inc. pp. 201-220

Plant proteostasis-a proven and promising target for crop improvement - Editorial

Theodoulou, F. L., Orosa-Puente, B., Trujillo, M. and Rubio V. 2022. Plant proteostasis-a proven and promising target for crop improvement - Editorial. Essays in Biochemistry. 66 (2), pp. 75-85. https://doi.org/10.1042/EBC20210078

Ethylene augments root hypoxia tolerance via growth cessation and reactive oxygen species amelioration

Liu, Z., Hartman, S., Van Veen, H., Zhang, H., Leeggangers , H. A. C. F., Martopawiro, S., Bosman, F., De Deugd, F., Su, P., Hummel, M., Rankenberg, T., Hassall, K. L., Bailey-Serres, J., Theodoulou, F. L., Voesenek L. A. C. J. and Sasidharan, R. 2022. Ethylene augments root hypoxia tolerance via growth cessation and reactive oxygen species amelioration. Plant Physiology. 190 (2), pp. 1365-1383. https://doi.org/10.1093/plphys/kiac245

Ethylene augments root hypoxia tolerance through amelioration of reactive oxygen species and growth cessation

Liu, Z., Hartman, S., Van Veen, H., Zhang, H., Leeggangers, H. A. C. F., Martopawiro, S., Bosman, F., De Deugd, F., Su, P., Hummel, M., Rankenberg, T., Hassall, K. L., Bailey-Serres, J., Theodoulou, F. L., Voesenek, L. A. C. J. and Sasidharan, R. 2022. Ethylene augments root hypoxia tolerance through amelioration of reactive oxygen species and growth cessation. bioRxiv. https://doi.org/10.1101/2022.01.21.477196

The Saccharomyces cerevisiae ABCD subfamily transporter Pxa1/Pxa2p co-imports CoASH into the peroxisome

Van Roermund, C. W. T., IJlst, L., Baker, A., Wanders, R. J. A., Theodoulou, F. L. and Waterham, H. R. 2020. The Saccharomyces cerevisiae ABCD subfamily transporter Pxa1/Pxa2p co-imports CoASH into the peroxisome. FEBS Letters. https://doi.org/10.1002/1873-3468.13974

The Arabidopsis thaliana N-recognin E3 ligase PROTEOLYSIS1 influences the immune response.

Till, C. J., Vicente, J., Zhang, H., Oszvald, M., Deery, M. J., Pastor, V., Lilley, K. S., Ray, R. V., Theodoulou, F. L. and Holdsworth, M. J. 2019. The Arabidopsis thaliana N-recognin E3 ligase PROTEOLYSIS1 influences the immune response. Plant Direct. 3 (12), p. e00194. https://doi.org/10.1002/pld3.194

Ethylene-mediated nitric oxide depletion pre-adapts plants to hypoxia stress

Hartman, S., Liu, Z., van Veen, H., Vicente, J., Reinen, E., Martopawiro, S., Zhang, H., van Dongen, N., Bosman, F., Bassel, G. W., Visser, E. J. W., Bailey-Serres, J., Theodoulou, F. L., Hebelstrup, K. H., Gibbs, D. J., Holdsworth, M. J., Sasidharan, R. and Vosenek, L. A. C. J. 2019. Ethylene-mediated nitric oxide depletion pre-adapts plants to hypoxia stress. Nature Communications. 10 (4020). https://doi.org/10.1038/s41467-019-12045-4

Mutagenesis separates ATPase and thioesterase activities of the peroxisomal ABC transporter, Comatose

Carrier, D., van Roermund, C., Schaedler, T. A., Rong, H., Ijlist, L., Wanders, r., Baldwin, S., Waterham, H., Theodoulou, F. L. and Baker, A. 2019. Mutagenesis separates ATPase and thioesterase activities of the peroxisomal ABC transporter, Comatose. Scientific Reports. 9. https://doi.org/10.1038/s41598-019-46685-9

Tandem fluorescent protein timers for non-invasive relative protein lifetime measurement in plants

Zhang, H., Linster, E., Gannon, L., Leemhuis, W., Rundle, C., Theodoulou, F. L. and Wirtz, M. 2019. Tandem fluorescent protein timers for non-invasive relative protein lifetime measurement in plants. Plant Physiology. https://doi.org/10.1104/pp.19.00051

Genetic interactions between ABA signalling and the Arg/N-end rule pathway during Arabidopsis seedling establishment

Zhang, H., Gannon, L., Jones, P. D., Rundle, C. A., Hassall, K. L., Gibbs, D. J., Holdsworth, M. J. and Theodoulou, F. L. 2018. Genetic interactions between ABA signalling and the Arg/N-end rule pathway during Arabidopsis seedling establishment. Scientific Reports. 8, p. 15192. https://doi.org/10.1038/s41598-018-33630-5

BIG regulates dynamic adjustment of circadian period in Arabidopsis thaliana

Hearn, T. J, Marti, M. C., Abdul-Awal, S. M., Wimalasekera, R., Stanton, C. R., Haydon, M. J., Theodoulou, F. L., Hannah, M. A. and Webb, A. A. R. 2018. BIG regulates dynamic adjustment of circadian period in Arabidopsis thaliana. Plant Physiology. 178, pp. 358-371. https://doi.org/10.1104/pp.18.00571

It's “Goodbye” from me and “Hello” from him

Theodoulou, F. L. 2017. It's “Goodbye” from me and “Hello” from him . The Biochemist. 39 (6), p. 3. https://doi.org/10.1042/BIO03906003

N-terminomics reveals control of Arabidopsis seed storage proteins and proteases by the Arg/N-end rule pathway

Zhang, H., Gannon, L., Hassall, K. L., Deery, M. J., Gibbs, D. J., Holdsworth, M. J., Van der Hoorn, R. A. L., Lilley, K. S. and Theodoulou, F. L. 2018. N-terminomics reveals control of Arabidopsis seed storage proteins and proteases by the Arg/N-end rule pathway. New Phytologist. 218 (3), pp. 1106-1126. https://doi.org/10.1111/nph.14909

Meeting expectations

Theodoulou, F. L. 2017. Meeting expectations. The Biochemist. 39 (5), p. 3. https://doi.org/10.1042/BIO03905003

You've never had it so good (in the lab)

Theodoulou, F. L. 2017. You've never had it so good (in the lab). The Biochemist. 39 (4), p. 3. https://doi.org/10.1042/BIO03904003

Vaccination: still a challenge, always a hope

Theodoulou, F. L. 2017. Vaccination: still a challenge, always a hope . The Biochemist. 39 (3), p. 3. https://doi.org/10.1042/BIO03903003

We are not alone

Theodoulou, F. L. 2017. We are not alone. The Biochemist. 39 (2), p. 3. https://doi.org/10.1042/BIO03902003

Make Open Science your New Year's Resolution

Theodoulou, F. L. 2017. Make Open Science your New Year's Resolution. The Biochemist. 39 (1), p. 3. https://doi.org/10.1042/BIO03901003

The (Christmas) Tree of Knowledge

Theodoulou, F. L. 2016. The (Christmas) Tree of Knowledge. The Biochemist. 38 (6), p. 3. https://doi.org/10.1042/BIO03806003

Ghosts, gases and the Mouse's Petition

Theodoulou, F. L. 2016. Ghosts, gases and the Mouse's Petition . The Biochemist. 38 (5), p. 3. https://doi.org/10.1042/BIO03805003

No man is an island

Theodoulou, F. L. 2016. No man is an island. The Biochemist. 38 (4), p. 3. https://doi.org/10.1042/BIO03804003

How to move an amphipathic molecule across a lipid bilayer: different mechanisms for different ABC transporters?

Theodoulou, F. L., Carrier, D. J., Schaedler, T. A., Baldwin, S. A. and Baker, A. 2016. How to move an amphipathic molecule across a lipid bilayer: different mechanisms for different ABC transporters? Biochemical Society Transactions. 44 (3), pp. 774-782. https://doi.org/10.1042/BST20160040

Genome Editing, biochemical superpower?

Theodoulou, F. L. 2016. Genome Editing, biochemical superpower? The Biochemist. 38 (3), p. 3. https://doi.org/10.1042/BIO03803003

We need to talk

Theodoulou, F. L. 2016. We need to talk. The Biochemist. 38 (2), p. 3. https://doi.org/10.1042/BIO03802003

Raising a glass to personalized medicine

Theodoulou, F. L. 2016. Raising a glass to personalized medicine. The Biochemist. 38 (1), pp. 2-3. https://doi.org/BIO03801002

Science on screen: what's the drama about accuracy?

Theodoulou, F. L. 2015. Science on screen: what's the drama about accuracy? The Biochemist. 37 (6), p. 3. https://doi.org/10.1042/BIO03706003

ABC transporter research: going strong 40 years on

Theodoulou, F. L. and Kerr, I. D. 2015. ABC transporter research: going strong 40 years on. Biochemical Society Transactions. 43 (5), pp. 1033-1040. https://doi.org/10.1042/BST20150139

Changes and being human

Theodoulou, F. L. 2015. Changes and being human. The Biochemist. 37 (5), p. 3. https://doi.org/10.1042/BIO03705003

Who wants to live forever?

Theodoulou, F. L. 2015. Who wants to live forever? The Biochemist. 37 (4), p. 3. https://doi.org/10.1042/BIO03704003

Writer's block: seeking the muse when caffeine fails

Theodoulou, F. L. 2015. Writer's block: seeking the muse when caffeine fails. Biologist. 37 (3), p. 3. https://doi.org/10.1042/BIO03703003

Keeping an open mind: Sherlock Holmes and the RNA world

Theodoulou, F. L. 2015. Keeping an open mind: Sherlock Holmes and the RNA world. Biochemist. 37 (2), p. 3.

Bang the gong for biochemistry

Theodoulou, F. L. 2015. Bang the gong for biochemistry. The Biochemist. 37 (1), p. 3.

Peroxisomal ABC transporters: functions and mechanisms

Baker, A., Carrier, D. J., Schaedler, T. A., Waterham, H. R., Van Roermund, C. W. and Theodoulou, F. L. 2015. Peroxisomal ABC transporters: functions and mechanisms. Biochemical Society Transactions. 43, pp. 959-965. https://doi.org/10.1042/BST20150127

Quantitative proteomics analysis of the Arg/N-end rule pathway of targeted degradation in Arabidopsis roots

Zhang, H., Deery, M. J., Gannon, L., Powers, S. J., Lilley, K. S. and Theodoulou, F. L. 2015. Quantitative proteomics analysis of the Arg/N-end rule pathway of targeted degradation in Arabidopsis roots. Proteomics. 15 (14), pp. 2447-2457. https://doi.org/10.1002/pmic.201400530

Band of boffins

Theodoulou, F. L. 2014. Band of boffins. The Biochemist. 36 (6), p. 3.

Death, taxes...and metrics

Theodoulou, F. L. 2014. Death, taxes...and metrics. The Biochemist. 36 (5), p. 3.

Scientific crises and the Bluetongue blueprint

Theodoulou, F. L. 2014. Scientific crises and the Bluetongue blueprint. The Biochemist. 36 (2), p. 3.

Nitric oxide sensing in plants is mediated by proteolytic control of group VII ERF transcription factors

Gibbs, D. J., Isa, N. M., Movahedi, M., Lozano-Juste, J., Mendiondo, G. M., Berckhan, S., Marin-De La Rosa, N., Vicente Conde, J. V., Sousa Correia, C., Pearce, S. P., Bassel, G. W., Hamali, B., Talloji, P., Tome, D. F. A., Coego, A., Beynon, J., Alabadi, D., Bachmair, A., Leon, J., Gray, J. E., Theodoulou, F. L. and Holdsworth, M. J. 2014. Nitric oxide sensing in plants is mediated by proteolytic control of group VII ERF transcription factors. Molecular Cell. 53, pp. 369-379. https://doi.org/10.1016/j.molcel.2013.12.020

Replace, reduce, refine - and debate

Theodoulou, F. L. 2014. Replace, reduce, refine - and debate. Biochemist. 36(3), p. 3.

(Real) life after a PhD

Theodoulou, F. L. 2014. (Real) life after a PhD. Biochemist. 36(4), p. 3.

Coenzyme A and its derivatives: renaissance of a textbook classic

Theodoulou, F. L., Sibon, O. C. M., Jackowski, S. and Gout, I. 2014. Coenzyme A and its derivatives: renaissance of a textbook classic. Biochemical Society Transactions. 42, pp. 1025-1032. https://doi.org/10.1042/BST20140176

Barley has two peroxisomal ABC transporters with multiple functions in beta-oxidation

Mendiondo, G. M., Medhurst, A., Van Roermund, C. W., Zhang, X., Devonshire, J., Scholefield, D., Fernandez, J., Axcell, B., Ramsay, L., Waterham, H. R., Waugh, R., Theodoulou, F. L. and Holdsworth, M. J. 2014. Barley has two peroxisomal ABC transporters with multiple functions in beta-oxidation. Journal of Experimental Botany. 65, pp. 4833-4847. https://doi.org/10.1093/jxb/eru243

One click and it's gone: posterity in the electronic era

Theodoulou, F. L. 2014. One click and it's gone: posterity in the electronic era. Biochemist. 36(1), p. 3.

Plant peroxisomes: protein import, dynamics and metabolite transport

Kaur, N., Cross, L., Theodoulou, F. L., Baker, A. and Hu, J. 2013. Plant peroxisomes: protein import, dynamics and metabolite transport. in: Liu, B. and Assmann, S. (ed.) Plant cell biology Springer, New York. pp. 25pp

Metabolite transporters of the plant peroxisomal membrane: known and unknown

Linka, N. and Theodoulou, F. L. 2013. Metabolite transporters of the plant peroxisomal membrane: known and unknown. in: Delrio, L. A. (ed.) Peroxisomes and their key role in cellular signaling and metabolism Springer, Dordrecht. pp. 169-194

What have plants done for us?

Theodoulou, F. L. 2013. What have plants done for us? Biochemist. 35(5), p. 3.

The beauty of public engagement

Theodoulou, F. L. 2013. The beauty of public engagement. Biochemist. 35(4), p. 3.

The biochemistry of bad behaviour

Theodoulou, F. L. 2013. The biochemistry of bad behaviour. Biochemist. 35(6), p. 3.

Getting an even break

Theodoulou, F. L. 2013. Getting an even break. Biochemist. 35(3), p. 3.

Floral monsters and murderous mirror images

Theodoulou, F. L. 2013. Floral monsters and murderous mirror images. Biochemist. 35(2), p. 3.

Peroxisome membrane proteins: multiple trafficking routes and multiple functions?

Theodoulou, F. L., Bernhardt, K., Linka, N. and Baker, A. 2013. Peroxisome membrane proteins: multiple trafficking routes and multiple functions? Biochemical Journal. 451, pp. 345-352. https://doi.org/10.1042/BJ20130078

The impact agenda: when Gladstone met Faraday

Theodoulou, F. L. 2013. The impact agenda: when Gladstone met Faraday. Biochemist. 35(1), p. 3.

Intrinsic acyl-CoA thioesterase activity of a peroxisomal ATP binding cassette transporter is required for transport and metabolism of fatty acids

De Marcos Lousa, C., Van Roermund, C. W. T., Postis, V. L. G., Dietrich, D., Kerr, I. D., Wanders, R. J. A., Baldwin, S. A., Baker, A. and Theodoulou, F. L. 2013. Intrinsic acyl-CoA thioesterase activity of a peroxisomal ATP binding cassette transporter is required for transport and metabolism of fatty acids. Proceedings of the National Academy of Sciences. 110, pp. 1279-1284. https://doi.org/10.1073/pnas.1218034110

Goodbye and hello

Theodoulou, F. L. 2012. Goodbye and hello. The Biochemist. 34 (3), p. 3.

Seed storage oil catabolism: a story of give and take

Theodoulou, F. L. and Eastmond, P. J. 2012. Seed storage oil catabolism: a story of give and take. Current Opinion in Plant Biology. 15 (3), pp. 322-328. https://doi.org/10.1016/j.pbi.2012.03.017

Science under siege

Theodoulou, F. L. 2012. Science under siege. The Biochemist. 34 (5), p. 3.

Reinventing the polytechnic?

Theodoulou, F. L. 2012. Reinventing the polytechnic? Biologist. 34(4), p. 3.

Could Jurassic Park ever come true?

Theodoulou, F. L. 2012. Could Jurassic Park ever come true? Biochemist. 34(6), p. 3.

Pseudo half-molecules of the ABC transporter, COMATOSE, bind Pex19 and target to peroxisomes independently but are both required for activity

Nyathi, Y., Zhang, X., Baldwin, J. M., Bernhardt, K., Johnson, B., Baldwin, S. A., Theodoulou, F. L. and Baker, A. 2012. Pseudo half-molecules of the ABC transporter, COMATOSE, bind Pex19 and target to peroxisomes independently but are both required for activity. FEBS Letters. 586 (16), pp. 2280-2286. https://doi.org/10.1016/j.febslet.2012.05.065

What's in a name?

Theodoulou, F. L. 2012. What's in a name? Biochemist. 34(1), p. 3.

Science diplomacy and the taxi test

Theodoulou, F. L. 2012. Science diplomacy and the taxi test. Biochemist. 34(2), p. 3.

A novel function for a redox-related LEA protein (SAG21/AtLEA5) in root development and biotic stress responses

Salleh, F. M., Evans, K., Goodall, B., Machin, H., Mowla, S. B., Mur, L. A. J., Runions, J., Theodoulou, F. L., Foyer, C. H. and Rogers, H. J. 2012. A novel function for a redox-related LEA protein (SAG21/AtLEA5) in root development and biotic stress responses. Plant, Cell and Environment. 35 (2), pp. 418-429. https://doi.org/10.1111/j.1365-3040.2011.02394.x

The China issue

Theodoulou, F. L. 2011. The China issue. The Biochemist. 33 (5), p. 3.

Scientific fate

Theodoulou, F. L. 2011. Scientific fate. The Biochemist. 33 (4), p. 3.

The scientific seasons

Theodoulou, F. L. 2011. The scientific seasons. The Biochemist. 33 (3), p. 3.

Chimpanzees, Brussels sprouts and poor laboratory practice

Theodoulou, F. L. 2011. Chimpanzees, Brussels sprouts and poor laboratory practice. Biochemist. 33(6), p. 3.

Mammalian peroxisomal ABC transporters: from endogenous substrates to pathology and clinical significance

Kemp, S., Theodoulou, F. L. and Wanders, R. J. A. 2011. Mammalian peroxisomal ABC transporters: from endogenous substrates to pathology and clinical significance. British Journal Of Pharmacology. 164 (7), pp. 1753-1766. https://doi.org/10.1111/j.1476-5381.2011.01435.x

Homeostatic response to hypoxia is regulated by the N-end rule pathway in plants

Gibbs, D. J., Lee, S. C., Isa, N. M., Gramuglia, S., Fukao, T., Bassel, G. W., Correia, C. S., Corbineau, F., Theodoulou, F. L., Bailey-Serres, J. and Holdsworth, M. J. 2011. Homeostatic response to hypoxia is regulated by the N-end rule pathway in plants. Nature. 479 (7373), pp. 415-418. https://doi.org/10.1038/nature10534

Conservation of targeting but divergence in function and quality control of peroxisomal ABC transporters: an analysis using cross-kingdom expression

Zhang, X., De Marcos Lousa, C., Schutte-Lensink, N., Ofman, R., Wanders, R. J., Baldwin, S. A., Baker, A., Kemp, S. and Theodoulou, F. L. 2011. Conservation of targeting but divergence in function and quality control of peroxisomal ABC transporters: an analysis using cross-kingdom expression. Biochemical Journal. 436, pp. 547-557. https://doi.org/10.1042/BJ20110249

Editorial: Time to think

Theodoulou, F. L. 2011. Editorial: Time to think. Biochemist. 33(2), p. 3.

Editorial: The next hundred years

Theodoulou, F. L. 2011. Editorial: The next hundred years. Biochemist. 33(1), p. 3.

Peroxisomal transport systems: roles in signaling and metabolism

Theodoulou, F. L., Zhang, X., De Marcos Lousa, C., Nyathi, Y. and Baker, A. 2011. Peroxisomal transport systems: roles in signaling and metabolism. in: Geisler, M. and Venema, K. (ed.) Transporters and pumps in plant signaling Springer, Berlin. pp. 327-351

Q&A: Professor Maurice Moloney

Theodoulou, F. L. 2010. Q&A: Professor Maurice Moloney. The Biochemist. 32 (3), pp. 39-40. https://doi.org/10.1042/BIO03203039

Editorial: The student issue

Theodoulou, F. L. 2010. Editorial: The student issue. Biochemist. 32(5), p. 5.

Editorial: Christmas cheer

Theodoulou, F. L. 2010. Editorial: Christmas cheer. The Biochemist. 32(6), p. 3.

The Arabidopsis peroxisomal ABC transporter, Comatose, complements the Saccharomyces cerevisiae pxa1 pxa2delta mutant for metabolism of long-chain fatty acids and exhibits fatty acyl-CoA-stimulated ATPase activity

Nyathi, Y., De Marcos Lousa, C., Van Roermund, C. W., Wanders, R. J. A., Johnson, B., Baldwin, S. A., Theodoulou, F. L. and Baker, A. 2010. The Arabidopsis peroxisomal ABC transporter, Comatose, complements the Saccharomyces cerevisiae pxa1 pxa2delta mutant for metabolism of long-chain fatty acids and exhibits fatty acyl-CoA-stimulated ATPase activity. Journal of Biological Chemistry. 285, pp. 29892-29902. https://doi.org/10.1074/jbc.M110.151225

The genome - 10 years on

Theodoulou, F. L. 2010. The genome - 10 years on. Biochemist. August 2010, p. 3.

Crunch time for science

Theodoulou, F. L. 2010. Crunch time for science. Biochemist. April 2010, p. 5.

Science and the media

Theodoulou, F. L. 2010. Science and the media. Biochemist. February 2010, p. 3.

The carbon cost of conferences

Theodoulou, F. L. 2010. The carbon cost of conferences. Biochemist. June 2010, p. 3.

The NBDs that wouldn't die: A cautionary tale of the use of isolated nucleotide binding domains of ABC transporters

De Marcos Lousa, C., Dietrich, D., Johnson, B., Baldwin, S. A., Holdsworth, M. J., Theodoulou, F. L. and Baker, A. 2009. The NBDs that wouldn't die: A cautionary tale of the use of isolated nucleotide binding domains of ABC transporters. Communicative and Integrative Biology. 2 (2), pp. 97-99. https://doi.org/10.4161/cib.7621

The N-end rule pathway promotes seed germination and establishment through removal of ABA sensitivity in Arabidopsis

Holman, T. J., Jones, P. D., Russell, L., Medhurst, A., Ubeda-Tomas, S., Talloji, P., Marquez, J., Schmuths, H., Tung, S-A., Taylor, I., Footitt, S., Bachmair, A., Theodoulou, F. L. and Holdsworth, M. J. 2009. The N-end rule pathway promotes seed germination and establishment through removal of ABA sensitivity in Arabidopsis. Proceedings of the National Academy of Sciences. 106, pp. 4549-4554. https://doi.org/10.1073/pnas.0810280106

Mutations in the Arabidopsis peroxisomal ABC transporter COMATOSE allow differentiation between multiple functions in planta: insights from an allelic series

Dietrich, D., Schmuths, H., De Marcos Lousa, C., Baldwin, J. M., Baldwin, S. A., Baker, A., Theodoulou, F. L. and Holdsworth, M. J. 2009. Mutations in the Arabidopsis peroxisomal ABC transporter COMATOSE allow differentiation between multiple functions in planta: insights from an allelic series. Molecular Biology Of The Cell. 20, pp. 530-543. https://doi.org/10.1091/mbc.E08-07-0745

Peroxisomal ATP import is essential for seedling development in Arabidopsis thaliana

Linka, N., Theodoulou, F. L., Haslam, R. P., Linka, M., Napier, J. A., Neuhaus, H. E. and Weber, A. P. M. 2008. Peroxisomal ATP import is essential for seedling development in Arabidopsis thaliana. The Plant Cell. 20, pp. 3241-3257. https://doi.org/10.1105/tpc.108.062042

Plant ABC proteins - a unified nomenclature and updated inventory

Verrier, P. J., Bird, D., Burla, B., Dassa, E., Forestier, C., Geisler, M., Klein, M., Kolukisaoglu, U., Lee, Youngsook, Martinoia, E., Murphy, A., Rea, P. A., Samuels, L., Shulz, B., Spalding, E. J., Yazaki, K. and Theodoulou, F. L. 2008. Plant ABC proteins - a unified nomenclature and updated inventory. Trends in Plant Science. 13, pp. 151-159. https://doi.org/10.1016/j.tplants.2008.02.001

The Physcomitrella genome reveals evolutionary insights into the conquest of land by plants

Rensing, S. A., Lang, D., Zimmer, A. D., Terry, A., Salamov, A., Shapiro, H., Nishiyama, T., Perroud, P-F., Lindquist, E. A., Kamisugi, Y., Tanahashi, T., Sakakibara, K., Fujita, T., Oishi, K., Shin, T., Kuroki, Y., Toyoda, A., Theodoulou, F. L., Verrier, P. J., Quatrano, R. S. and Boore, J. L. 2008. The Physcomitrella genome reveals evolutionary insights into the conquest of land by plants. Science - AAAS. 319 (5859), pp. 64-69. https://doi.org/10.1126/science.1150646

Seed after-ripening is a discrete developmental pathway associated with specific gene networks in Arabidopsis

Carrera, E., Holman, T., Medhurst, A., Dietrich, D., Footitt, S., Theodoulou, F. L. and Holdsworth, M. J. 2007. Seed after-ripening is a discrete developmental pathway associated with specific gene networks in Arabidopsis. The Plant Journal. 53 (2), pp. 214-224. https://doi.org/10.1111/j.1365-313X.2007.03331.x

The COMATOSE ATP-binding cassette transporter is required for full fertility in Arabidopsis

Footitt, S., Dietrich, D., Fait, A., Fernie, A. R., Holdsworth, M. J., Baker, A. and Theodoulou, F. L. 2007. The COMATOSE ATP-binding cassette transporter is required for full fertility in Arabidopsis. Plant Physiology. 144 (July), pp. 1467-1480. https://doi.org/10.1104/pp.107.099903

Gene expression profiling reveals defined functions of the ATP-binding cassette transporter COMATOSE late in phase II of germination

Carrera, E., Holman, T., Medhurst, A., Peer, W., Schmuths, H., Footitt, S., Theodoulou, F. L. and Holdsworth, M. J. 2007. Gene expression profiling reveals defined functions of the ATP-binding cassette transporter COMATOSE late in phase II of germination. Plant Physiology. 143, pp. 1669-1679. https://doi.org/10.1104/pp.107.096057

The ins and outs of peroxisomes: co-ordination of membrane transport and peroxisomal metabolism

Rottensteiner, H. and Theodoulou, F. L. 2006. The ins and outs of peroxisomes: co-ordination of membrane transport and peroxisomal metabolism. Biochimica et Biophysica Acta (BBA) - Molecular Cell Research. 1763 (12), pp. 1527-1540. https://doi.org/10.1016/j.bbamcr.2006.08.012

Analysis of the role of COMATOSE and peroxisomal beta-oxidation in the determination of germination potential in Arabidopsis

Footitt, S., Marquez, J., Schmuths, H., Baker, A., Theodoulou, F. L. and Holdsworth, M. 2006. Analysis of the role of COMATOSE and peroxisomal beta-oxidation in the determination of germination potential in Arabidopsis. Journal of Experimental Botany. 57 (11), pp. 2805-2814. https://doi.org/10.1093/jxb/erl045

Chewing the fat: beta-oxidation in signalling and development

Baker, A., Graham, I. A., Holdsworth, M., Smith, S. M. and Theodoulou, F. L. 2006. Chewing the fat: beta-oxidation in signalling and development. Trends in Plant Science. 11 (3), pp. 124-132. https://doi.org/10.1016/j.tplants.2006.01.005

Peroxisomal ABC transporters

Theodoulou, F. L., Holdsworth, M. and Baker, A. 2006. Peroxisomal ABC transporters. FEBS Letters. 580 (4), pp. 1139-1155. https://doi.org/10.1016/j.febslet.2005.12.095

Yeast complementation reveals a role for an Arabidopsis thaliana late embryogenesis abundant (LEA)-like protein in oxidative stress tolerance

Mowla, S. B., Cuypers, A., Driscoll, S. P., Kiddle, G., Thomson, J., Foyer, C. H. and Theodoulou, F. L. 2006. Yeast complementation reveals a role for an Arabidopsis thaliana late embryogenesis abundant (LEA)-like protein in oxidative stress tolerance. The Plant Journal. 48 (5), pp. 743-756. https://doi.org/10.1111/j.1365-313X.2006.02911.x

Ascorbate content of wheat leaves is not determined by maximal L-galactono-1,4-lactone dehydrogenase (GalLDH) activity under drought stress

Bartoli, C. G., Guiamet, J. J., Kiddle, G., Pastori, G. M., Di Cagno, R., Theodoulou, F. L. and Foyer, C. H. 2005. Ascorbate content of wheat leaves is not determined by maximal L-galactono-1,4-lactone dehydrogenase (GalLDH) activity under drought stress. Plant, Cell and Environment. 28 (9), pp. 1073-1081. https://doi.org/10.1111/j.1365-3040.2005.01338.x

Jasmonic acid levels are reduced in COMATOSE ATP-binding cassette transporter mutants. Implications for transport of jasmonate precursors into peroxisomes

Theodoulou, F. L., Job, K., Slocombe, S. P., Footitt, S., Holdsworth, M., Baker, A., Larson, T. R. and Graham, I. A. 2005. Jasmonic acid levels are reduced in COMATOSE ATP-binding cassette transporter mutants. Implications for transport of jasmonate precursors into peroxisomes. Plant Physiology. 137, pp. 835-840.

Plant peroxisomal ABC transporters: flexible and unusual

Theodoulou, F. L., Baldwin, S. A., Baldwin, J. M. and Baker, A. 2014. Plant peroxisomal ABC transporters: flexible and unusual. in: Geisler, M. (ed.) Plant ABC transporters Springer. pp. 77-101

Comparison of mitochondrial ascorbate peroxidase in the cultivated tomato, Lycopersicon esculentum , and its wild, salt-tolerant relative, L. pennellii - a role for matrix isoforms in protection against oxidative damage

Mittova, V., Theodoulou, F. L., Kiddle, G., Volokita, M., Tal, M., Foyer, C. H. and Guy, M. 2004. Comparison of mitochondrial ascorbate peroxidase in the cultivated tomato, Lycopersicon esculentum , and its wild, salt-tolerant relative, L. pennellii - a role for matrix isoforms in protection against oxidative damage. Plant, Cell and Environment. 27 (2), pp. 237-250. https://doi.org/10.1046/j.1365-3040.2004.01150.x

Conjugation and transport of xenobiotics and natural products

Theodoulou, F. L., He, X. and Lao, S-H. 2004. Conjugation and transport of xenobiotics and natural products.

Co-induction of glutathione-S-transferases and multidrug resistance associated protein by xenobiotics in wheat

Theodoulou, F. L., Clark, I. M., He, X-L., Pallett, K. E., Cole, D. J. and Hallahan, D. L. 2003. Co-induction of glutathione-S-transferases and multidrug resistance associated protein by xenobiotics in wheat. Pest Management Science. 59 (2), pp. 202-214. https://doi.org/10.1002/ps.576

Control of ascorbate synthesis by respiration and its implications for stress responses

Bartoli, C. G., Millar, A. H., Mittova, V., Kiddle, G., Heazlewood, J. L., Theodoulou, F. L. and Foyer, C. H. 2003. Control of ascorbate synthesis by respiration and its implications for stress responses.

Coordinate induction of glutathione biosynthesis and glutathione-metabolizing enzymes is correlated with salt tolerance in tomato

Mittova, V., Theodoulou, F. L., Kiddle, G., Gomez, L., Volokita, M., Tal, M., Foyer, C. H. and Guy, M. 2003. Coordinate induction of glutathione biosynthesis and glutathione-metabolizing enzymes is correlated with salt tolerance in tomato. FEBS Letters. 554 (3), pp. 417-421. https://doi.org/10.1016/S0014-5793(03)01214-6

3,4-Dichloroaniline is detoxified and exported via different pathways in Arabidopsis and soybean

Lao, S-H., Loutre, C., Brazier, M., Coleman, J. O. D., Cole, D. J., Edwards, R. and Theodoulou, F. L. 2003. 3,4-Dichloroaniline is detoxified and exported via different pathways in Arabidopsis and soybean. Phytochemistry. 63, pp. 653-661.

Control of ascorbate synthesis by respiration and its implications for stress responses

Millar, A. H., Mittova, V., Kiddle, G., Heazlewood, J. L., Bartoli, C. G., Theodoulou, F. L. and Foyer, C. H. 2003. Control of ascorbate synthesis by respiration and its implications for stress responses. Plant Physiology. 133, pp. 443-447.

Isolation and characterisation of two multidrug resistance associated protein genes from maize

Swarbreck, D., Ripoll, P-J., Brown, D. A., Edwards, K. J. and Theodoulou, F. L. 2003. Isolation and characterisation of two multidrug resistance associated protein genes from maize. Gene. 315, pp. 153-164.

Getting to grips with ABCs

Theodoulou, F. L. 2002. Getting to grips with ABCs.

Identification of plant vacuole-specific proteins using the GARNet proteomics facility

Theodoulou, F. L., He, X-L., Deery, M., Razzaq, A., Dupree, P. and Lilley, K. 2002. Identification of plant vacuole-specific proteins using the GARNet proteomics facility.

Role of 3,4-dichloroaniline N -malonyltransferase in the detoxification of herbicides

Lao, S-H., Theodoulou, F. L., Coleman, J. O. D., Cole, D. and Edwards, R. 2001. Role of 3,4-dichloroaniline N -malonyltransferase in the detoxification of herbicides. Proceedings Brighton Crop Protection Conference - Weeds 2001 . pp. 349-352

The MRP gene family in monocots - comparisons with Arabidopsis

Swarbreck, D., O'sullivan, D., Edwards, D., Ripoll, P-J., Edwards, K. and Theodoulou, F. L. 2001. The MRP gene family in monocots - comparisons with Arabidopsis. Abstracts 12th International Workshop on Plant Membrane Biology, Madison, 11-16 August 2001 .

Metabolic and in situ approaches to understanding the role of ascorbate in the cell cycle in maize roots

Kiddle, G., Theodoulou, F. L., Foyer, C. H. and Barlow, P. W. 2001. Metabolic and in situ approaches to understanding the role of ascorbate in the cell cycle in maize roots. Abstracts SEB Annual Meeting, Canterbury, 2-6 April 2001 . pp. C4.07

Role of 3,4-dichloroaniline N-malonyltransferase in the detoxification of xenobiotics

Lao, S-H., Cole, D., Edwards, R., Theodoulou, F. L. and Coleman, J. O. D. 2001. Role of 3,4-dichloroaniline N-malonyltransferase in the detoxification of xenobiotics. Abstracts COST Action 837 Meeting, Grenoble, 27-29 September 2001 .

The functions of inter- and intracellular glutathione transport systems in plants

Foyer, C. H., Theodoulou, F. L. and Delrot, S. 2001. The functions of inter- and intracellular glutathione transport systems in plants. Trends in Plant Science. 6, pp. 486-492.

MRP and oxidative stress: do yeast and plants do things differently?

Brown, D. A., Cole, D. J. and Theodoulou, F. L. 2001. MRP and oxidative stress: do yeast and plants do things differently? Abstracts 12th International Workshop on Plant Membrane Biology, Madison, 11-16 August 2001 .

A role for Multidrug Resistance associated Protein (MRP) in plant responses to oxidative stress?

Brown, D. A., Cole, D. J. and Theodoulou, F. L. 2001. A role for Multidrug Resistance associated Protein (MRP) in plant responses to oxidative stress? Abstracts SEB Annual Meeting, Canterbury, 2-6 April 2001 . pp. P2.6

Plant ABC transporters

Theodoulou, F. L. 2000. Plant ABC transporters. Biochimica et Biophysica Acta (BBA) - Biomembranes. 1465 (1-2), pp. 79-103. https://doi.org/10.1016/S0005-2736(00)00132-2

A high affinity fungal nitrate carrier with two transport mechanisms

Zhou, J-J., Trueman, L. J., Boorer, K. J., Theodoulou, F. L., Forde, B. G. and Miller, A. J. 2000. A high affinity fungal nitrate carrier with two transport mechanisms. Journal of Biological Chemistry. 275, pp. 39894-39899.

Molecules on the move: how plants cope with foreign chemicals

Theodoulou, F. L. 2000. Molecules on the move: how plants cope with foreign chemicals. BBSRC Business. October 2000, pp. 12-13.

Cloning and characterisation of xenobiotic inducible MRP homologues from wheat

Brown, D. A., Cole, D. J. and Theodoulou, F. L. 1999. Cloning and characterisation of xenobiotic inducible MRP homologues from wheat. Abstracts Society for Experimental Biology Plant Transport Group Meeting, Southampton, 8-10 September 1999 .

Role of ABC transporters in herbicide metabolism

Theodoulou, F. L., Clark, I. M., Mitchell, V. J., Moss, S. R. and Pallett, K. E. 1999. Role of ABC transporters in herbicide metabolism. Abstracts Society for Experimental Biology Plant Transport Group Meeting, Southampton, 8-10 September 1999 .

Nucleotide sequence of Cla 30 (Accession No. Y17386), a xenobiotic- inducible member of the GST superfamily from Triticum aestivum L. (PGR99-049)

Theodoulou, F. L., Clark, I. M., Pallett, K. E. and Hallahan, D. L. 1999. Nucleotide sequence of Cla 30 (Accession No. Y17386), a xenobiotic- inducible member of the GST superfamily from Triticum aestivum L. (PGR99-049).

Triticum aestivum mRNA for putative In2.1-like protein

Theodoulou, F. L. 1998. Triticum aestivum mRNA for putative In2.1-like protein.

A herbicide safener-induced MRP homologue from wheat

Theodoulou, F. L., Clark, I. M., Pallett, K. E. and Hallahan, D. L. 1998. A herbicide safener-induced MRP homologue from wheat. Abstracts 11th International Workshop on Plant Membrane Biology, Cambridge, 9-14 August 1998 . pp. 77

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

Cloning and functional characterization of a Brassica napus transporter that is able to transport nitrate and histidine

Zhou, J-J., Theodoulou, F. L., Muldin, I., Ingemarsson, B. and Miller, A. J. 1998. Cloning and functional characterization of a Brassica napus transporter that is able to transport nitrate and histidine. Journal of Biological Chemistry. 273 (20), pp. 12017-12023. https://doi.org/10.1074/jbc.273.20.12017

Characterization of low and high affinity nitrate cotransporters expressed in Xenopus oocytes

Zhou, J-J., Theodoulou, F. L. and Miller, A. J. 1997. Characterization of low and high affinity nitrate cotransporters expressed in Xenopus oocytes. Abstracts Phytosfere '97, Dublin, 23-25 April 1997 .

Functional expression of the crnA high affinity nitrate transporter of Aspergillus nidulans in Xenopus oocytes

Zhou, J-J., Trueman, L. J., Theodoulou, F. L., Forde, B. G. and Miller, A. J. 1997. Functional expression of the crnA high affinity nitrate transporter of Aspergillus nidulans in Xenopus oocytes. Abstracts SEB Plant Transport Group Workshop, Glasgow, 8-10 September 1997 . pp. N6

A kinetic model with ordered cytoplasmic dissociation for SUC1, an Arabidopsis H+/sucrose cotransporter expressed in Xenopus oocytes

Zhou, J-J., Theodoulou, F. L., Sauer, N., Sanders, D. and Miller, A. J. 1997. A kinetic model with ordered cytoplasmic dissociation for SUC1, an Arabidopsis H+/sucrose cotransporter expressed in Xenopus oocytes. Journal Of Membrane Biology. 159, pp. 113-125.

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.

Characterization of low and high affinity nitrogen cotransporters expressed in Xenopus oocytes

Zhou, J-J., Theodoulou, F. L., Muldin, I., Ingemarsson, B. and Miller, A. J. 1996. Characterization of low and high affinity nitrogen cotransporters expressed in Xenopus oocytes. Abstracts SEB Plant Transport Group Workshop, Saltash, 23-25 September 1996 .

Characterisation of high-affinity nitrate transporter homologues from higher plants

Trueman, L. J., Dunn, S. M., Jennings, A. J., Onyeocha, I., Theodoulou, F. L., Zhang, H., Zhou, J-J., Miller, A. J. and Forde, B. G. 1996. Characterisation of high-affinity nitrate transporter homologues from higher plants. Abstracts SEB Plant Transport Group Workshop, Saltash, 23-25 September 1996 .

Kinetic characterisation and mutational analysis of STP1, an Arabidopsis H=/hexose cotransporter expressed in Xenopus oocytes

Theodoulou, F. L., Zhou, J-J., Miller, A. J. and Sanders, D. 1995. Kinetic characterisation and mutational analysis of STP1, an Arabidopsis H=/hexose cotransporter expressed in Xenopus oocytes. Abstracts International Conference on the Transport of Photoassimiltes, Canterbury, 13-17 August 1995 . pp. 35

Characterization of low affinity nitrogen transporters expressed in Xenopus oocytes

Zhou, J-J., Theodoulou, F. L., Muldin, I., Ingemarsson, B. and Miller, A. J. 1995. Characterization of low affinity nitrogen transporters expressed in Xenopus oocytes. Abstracts 4th International Symposium on Inorganic Nitrogen Assimilation, Darmstadt, 23-28 July 1995 . pp. 144

Xenopus oocytes as a heterologous expression system

Theodoulou, F. L. and Miller, A. J. 1995. Xenopus oocytes as a heterologous expression system. in: Jones, H. (ed.) Methods in molecular biology vol. 49: plant gene transfer and expression protocols Humana Press, Totowa. pp. 317-340

Characterization of low affinity nitrogen cotransporters expressed in Xenopus oocytes

Zhou, J-J., Theodoulou, F. L., Muldin, I., Ingemarsson, B. and Miller, A. J. 1995. Characterization of low affinity nitrogen cotransporters expressed in Xenopus oocytes. Abstracts 10th International Workshop on Plant Membrane Biology, Regensberg, August 1995 . pp. R38

Kinetic characterization and mutational analysis of STP1, an Arabidopsis H+/hexose cotransporter expressed in Xenopus oocytes

Theodoulou, F. L., Zhou, J-J., Sanders, D. and Miller, A. J. 1995. Kinetic characterization and mutational analysis of STP1, an Arabidopsis H+/hexose cotransporter expressed in Xenopus oocytes. Abstracts 10th International Workshop on Plant Membrane Biology, Regensberg, August 1995 . pp. R01

Xenopus oocytes as a heterologous expression system for plant proteins

Theodoulou, F. L. and Miller, A. J. 1995. Xenopus oocytes as a heterologous expression system for plant proteins. Molecular Biotechnology. 3, pp. 101-115.

The heterologous expression of H+-coupled transporters in Xenopus oocytes

Miller, A. J., Smith, S. J. and Theodoulou, F. L. 1994. The heterologous expression of H+-coupled transporters in Xenopus oocytes. in: Leigh, R. A., Sanders, D. and Blatt, M. R. (ed.) Membrane transport in plants and fungi: molecular mechanisms and control Company of Biologists, Cambridge. pp. 167-177

The calcium pumps of plant cell membranes

Evans, D. E., Theodoulou, F. L., Williamson, I. M. and Boyce, J. M. 1994. The calcium pumps of plant cell membranes. Leigh, R. A., Sanders, D. and Blatt, M. (ed.) Membrane transport in plants and fungi: molecular mechanisms and control . Company of Biologists, Cambridge. pp. 43-59

Calmodulin-stimulated ATPase of maize cells: functional reconstitution, monoclonal antibodies and subcellular localisation

Theodoulou, F. L., Dewey, F. M. and Evans, D. E. 1994. Calmodulin-stimulated ATPase of maize cells: functional reconstitution, monoclonal antibodies and subcellular localisation. Journal of Experimental Botany. 45, pp. 1553-1564.

Expression of nitrate transporters in Xenopus oocytes

Zhou, J-J., Theodoulou, F. L. and Miller, A. J. 1994. Expression of nitrate transporters in Xenopus oocytes. Abstracts Society for Experimental Biology Plant Transport Group Workshop, Newcastle, September 1994 .

Kinetics of STP1- an Arabidopsis hexose/proton cotransporter expressed in Xenopus oocytes

Theodoulou, F. L., Zhou, J-J., Smith, S. J., Sanders, D. and Miller, A. J. 1994. Kinetics of STP1- an Arabidopsis hexose/proton cotransporter expressed in Xenopus oocytes. Abstracts Society for Experimental Biology Plant Transport Group Workshop, Newcastle, September 1994 .

Structure and function of STPI, the Arabidopsis H+/glucose transporter expressed in Xenopus oocytes

Miller, A. J., Parry, M. A. J., Sanders, D. and Theodoulou, F. L. 1994. Structure and function of STPI, the Arabidopsis H+/glucose transporter expressed in Xenopus oocytes. Abstracts BBSRC Plant Molecular Biology II Mid-term Meeting, University of East Anglia, 6-8 July 1994 . pp. 30

Cloning and analysis of a putative high affinity nitrate transporter from barley

Trueman, L. J., Theodoulou, F. L., Miller, A. J. and Forde, B. G. 1994. Cloning and analysis of a putative high affinity nitrate transporter from barley. Abstracts 4th International Congress of Plant Molecular Biology, Amsterdam, 20-24 June 1994 .

The heterologous expression of H+ cotransport proteins in Xenopus oocytes

Miller, A. J., Smith, S. and Theodoulou, F. L. 1993. The heterologous expression of H+ cotransport proteins in Xenopus oocytes. Proceedings SEB Symposium Membrane Transport in Plants and Fungi, Wye College, September 1993 . pp. 8

Freddie Theodoulou

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