Steve Thomas

NameSteve Thomas
Job titleResearch Scientist -Plant Biology
Email addresssteve.thomas@rothamsted.ac.uk
DepartmentPlant Sciences
Research clusterPS: Resilience and Development
Preferred citationThomas, S. G.
OfficeHarpenden

Research outputs

Novel Rht-1 dwarfing genes: tools for wheat breeding and dissecting the function of DELLA proteins

Thomas, S. G. 2017. Novel Rht-1 dwarfing genes: tools for wheat breeding and dissecting the function of DELLA proteins. Journal of Experimental Botany. 68 (3), pp. 354-358.

O-GlcNAcylation of master growth repressor DELLA by SECRET AGENT modulates multiple signaling pathways in Arabidopsis

Zentella, R., Hu, J. H., Hsieh, W. P., Matsumoto, P. A., Dawdy, A., Barnhill, B., Oldenhof, H., Hartweck, L. M., Maitra, S., Thomas, S. G., Cockrell, S., Boyce, M., Shabanowitz, J., Hunt, D. F., Olszewski, N. E. and Sun, T. P. 2016. O-GlcNAcylation of master growth repressor DELLA by SECRET AGENT modulates multiple signaling pathways in Arabidopsis. Genes & Development. 30 (2), pp. 164-176.

DELLA Proteins: Master regulators of gibberellin-responsive growth and development

Blazquez, M. A. and Alabadi, D. 2016. DELLA Proteins: Master regulators of gibberellin-responsive growth and development. in: Hedden, P. and Thomas, S. G. (ed.) Annual Plant Reviews, Volume 49: Gibberellins, The (Chapter 7) Wiley.

Genetic control of gibberellin metabolism and signalling in crop improvement

Phillips, A. L. 2016. Genetic control of gibberellin metabolism and signalling in crop improvement. in: Hedden, P. and Thomas, S. G. (ed.) Annual Plant Reviews, Volume 49: Gibberellins, The (Chapter 13) Wiley.

Gibberellin biosynthesis in higher plants

Hedden, P. 2016. Gibberellin biosynthesis in higher plants. in: Hedden, P. and Thomas, S. G. (ed.) Annual Plant Reviews, Volume 49: Gibberellins, The (Chapter 2) Wiley.

Annual Plant Reviews, Volume 49: The Gibberellins

Hedden, P. and Thomas, S. G. (ed.) 2016. Annual Plant Reviews, Volume 49: The Gibberellins. Wiley-Blackwell Chichester, Sussex.

Genome wide binding site analysis reveals transcriptional coactivation of cytokinin-responsive genes by DELLA proteins

Marin-De La Rosa, N., Pfeiffer, A., Hill, K., Locascio, A., Bhalerao, R. P., Miskolczi, P., Gronlund, A. L., Wanchoo-Kohli, A., Thomas, S. G., Bennett, M. J., Lohmann, J. U., Blazquez, M. A. and Alabadi, D. 2015. Genome wide binding site analysis reveals transcriptional coactivation of cytokinin-responsive genes by DELLA proteins. PLoS Genetics. 11, p. e1005337.

DELLA activity is required for successful pollen development in the Columbia ecotype of Arabidopsis

Plackett, A. R. G., Ferguson, A. C., Powers, S. J., Wanchoo-Kohli, A., Phillips, A. L., Wilson, Z. A., Hedden, P. and Thomas, S. G. 2014. DELLA activity is required for successful pollen development in the Columbia ecotype of Arabidopsis. New Phytologist. 201 (3), pp. 825-836.

The role of gibberellin signalling in plant responses to abiotic stress

Colebrook, E. H., Thomas, S. G., Phillips, A. L. and Hedden, P. 2014. The role of gibberellin signalling in plant responses to abiotic stress. Journal of Experimental Biology. 217, pp. 67-75.

Molecular mechanism for the interaction between gibberellin and brassinosteroid signaling pathways in Arabidopsis

Gallego-Bartolome, J., Minguet, E. G., Grau-Enguix, F., Abbas, M., Locascio, A., Thomas, S. G., Alabadi, D. and Blazquez, M. A. 2012. Molecular mechanism for the interaction between gibberellin and brassinosteroid signaling pathways in Arabidopsis. Proceedings of the National Academy of Sciences of the United States of America. 109, pp. 13446-13451.

Mathematical modeling elucidates the role of transcriptional feedback in gibberellin signaling

Middleton, A. M., Ubeda-Tomas, S., Griffiths, J., Holman, T., Hedden, P., Thomas, S. G., Phillips, A. L., Holdsworthy, M. J., Bennett, M. J., King, J. R. and Owen, M. R. 2012. Mathematical modeling elucidates the role of transcriptional feedback in gibberellin signaling. Proceedings of the National Academy of Sciences of the United States of America. 109, pp. 7571-7576.

Characterization of the fungal gibberellin desaturase as a 2-oxoglutarate-dependent dioxygenase and its utilization for enhancing plant growth

Bhattacharya, A., Kourmpetli, S., Ward, D. A., Thomas, S. G., Gong, F., Powers, S. J., Carrera, E., Taylor, B., Nunez De Caceres Gonzalez, F., Tudzynski, B., Phillips, A. L., Davey, M. R. and Hedden, P. 2012. Characterization of the fungal gibberellin desaturase as a 2-oxoglutarate-dependent dioxygenase and its utilization for enhancing plant growth. Plant Physiology. 160, pp. 837-845.

Analysis of the developmental roles of the Arabidopsis gibberellin 20-oxidases demonstrates that GA20ox1, -2 and -3 are the dominant paralogs

Plackett, A. R. G., Powers, S. J., Fernandez-Garcia, N., Urbanova, T., Takebayashi, Y., Seo, M., Jikumaru, Y., Benlloch, R., Nilsson, O., Ruiz-Rivero, O., Phillips, A. L., Wilson, Z. A., Thomas, S. G. and Hedden, P. 2012. Analysis of the developmental roles of the Arabidopsis gibberellin 20-oxidases demonstrates that GA20ox1, -2 and -3 are the dominant paralogs. The Plant Cell. 24, pp. 941-960.

Gibberellin biosynthesis and its regulation

Hedden, P. and Thomas, S. G. 2012. Gibberellin biosynthesis and its regulation. Biochemical Journal. 444, pp. 11-25.

Molecular characterization of Rht-1 dwarfing genes in hexaploid wheat

Pearce, S., Saville, R., Vaughan, S. P., Chandler, P. M., Wilhelm, E. P., Sparks, C. A., Al-Kaff, N., Korolev, A., Boulton, M. I., Phillips, A. L., Hedden, P., Nicholson, P. and Thomas, S. G. 2011. Molecular characterization of Rht-1 dwarfing genes in hexaploid wheat. Plant Physiology. 157, pp. 1820-1831.

Gibberellin control of stamen development: a fertile field

Plackett, A. R. G., Thomas, S. G., Wilson, Z. A. and Hedden, P. 2011. Gibberellin control of stamen development: a fertile field. Trends in Plant Science. 16, pp. 568-578.

Modification of gibberellin signalling (metabolism and signal transduction) in sugar beet: analysis of potential targets for crop improvement

Mutasa-Göttgens, E. S., Qi, A., Mathews, A. M., Thomas, S. G., Phillips, A. L. and Hedden, P. 2009. Modification of gibberellin signalling (metabolism and signal transduction) in sugar beet: analysis of potential targets for crop improvement. Transgenic Research. 18, pp. 301-308.

Genetic analysis reveals that C19-GA 2-oxidation is a major gibberellin inactivation pathway in Arabidopsis

Rieu, I., Eriksson, S., Powers, S. J., Gong, F., Griffiths, J., Woolley, L., Benlloch, R., Nilsson, O., Thomas, S. G., Hedden, P. and Phillips, A. L. 2008. Genetic analysis reveals that C19-GA 2-oxidation is a major gibberellin inactivation pathway in Arabidopsis. The Plant Cell. 20, pp. 2420-2436.

Adopting an integrative systems biology approach to study root growth and development

Bennett, M., French, A., Hodgman, C., Hedden, P., Holman, T., Middleton, A., King, J., Owen, M., Pridmore, T., Swarup, R., Thomas, S. G., Ubeda-Tomas, S. and Wilson, M. 2008. Adopting an integrative systems biology approach to study root growth and development. doi:10.1016/j.cbpa.2008.04.022

The gibberellin biosynthetic genes AtGA20ox1 and AtGA20ox2 act, partially redundantly, to promote growth and development throughout the Arabidopsis lifecycle

Rieu, I., Ruiz-Rivero, O., Fernandez-Garcia, N., Griffiths, J., Powers, S. J., Gong, F., Linhartova, T., Eriksson, S., Nilsson, O., Thomas, S. G., Phillips, A. L. and Hedden, P. 2008. The gibberellin biosynthetic genes AtGA20ox1 and AtGA20ox2 act, partially redundantly, to promote growth and development throughout the Arabidopsis lifecycle. Plant Journal. 53 (3), pp. 488-504.

Over-expression of a gibberellin 2-oxidase gene from Phaseolus coccineus L. enhances gibberellin inactivation and induces dwarfism in Solanum species

Dijkstra, C., Adams, E., Bhattacharya, A., Page, A. F., Anthony, P., Kourmpetli, S., Power, J. B., Lowe, K. C., Thomas, S. G., Hedden, P., Phillips, A. L. and Davey, M. R. 2008. Over-expression of a gibberellin 2-oxidase gene from Phaseolus coccineus L. enhances gibberellin inactivation and induces dwarfism in Solanum species. Plant Cell Reports. 27, pp. 463-470.

Decreased shoot stature and grain alpha-amylase activity following ectopic expression of a gibberellin 2-oxidase gene in transgenic wheat

Appleford, N. E., Wilkinson, M. D., Ma, Q., Evans, D. J., Stone, M. C., Pearce, S. P., Powers, S. J., Thomas, S. G., Jones, H. D., Phillips, A. L., Hedden, P. and Lenton, J. R. 2007. Decreased shoot stature and grain alpha-amylase activity following ectopic expression of a gibberellin 2-oxidase gene in transgenic wheat. Journal of Experimental Botany. 58, pp. 3213-3226.

Annual Plant Reviews , Volume 24: Plant hormone signaling

Hedden, P. and Thomas, S. G. (ed.) 2006. Annual Plant Reviews , Volume 24: Plant hormone signaling. Blackwell Publishing Oxford.

Gibberellin metabolism and signal transduction

Hedden, P. and Thomas, S. G. 2006. Gibberellin metabolism and signal transduction. in: Hedden, P. and Thomas, S. G. (ed.) In: Annual Plant Reviews Volume 24: Plant Hormone Signaling (Chapter 6) Blackwell Publishing Oxford.

Genetic characterization and functional analysis of the GID1 gibberellin receptors in Arabidopsis

Griffiths, J., Murase, K., Rieu, I., Zentella, R., Zhang, Z-L., Powers, S. J., Gong, F., Phillips, A. L., Hedden, P., Sun, T-P. and Thomas, S. G. 2006. Genetic characterization and functional analysis of the GID1 gibberellin receptors in Arabidopsis. The Plant Cell. 18 (12), pp. 3399-3414.

A Novel Dwarfing Mutation in a Green Revolution Gene from Brassica rapa

Muangprom, A., Thomas, S. G., Sun, T-P. and Osborn, T. C. 2005. A Novel Dwarfing Mutation in a Green Revolution Gene from Brassica rapa. Plant Physiology. 137 (3), pp. 931-938.

Gibberellin metabolism and signaling

Thomas, S. G., Rieu, I. and Steber, C. M. 2005. Gibberellin metabolism and signaling. Vitamins and Hormones. 72, pp. 289-338.

The Arabidopsis F-box protein SLEEPY1 targets gibberellin signaling repressors for gibberellin-induced degradation

Dill, A., Thomas, S. G., Hu, J., Steber, C. M. and Sun, T-P. 2004. The Arabidopsis F-box protein SLEEPY1 targets gibberellin signaling repressors for gibberellin-induced degradation. The Plant Cell. 16, pp. 1392-1405.

DELLA proteins and gibberellin-regulated seed germination and floral development in Arabidopsis

Tyler, L., Thomas, S. G., Hu, J., Dill, A., Alonso, J. M., Ecker, J. R. and Sun, T-P. 2004. DELLA proteins and gibberellin-regulated seed germination and floral development in Arabidopsis. Plant Physiology. 135, pp. 1008-1019.

Update on gibberellin signaling. A tale of the tall and the short

Thomas, S. G. and Sun, T-P. 2004. Update on gibberellin signaling. A tale of the tall and the short. Plant Physiology. 135, pp. 668-676.

Induction of dwarfism in transgenic Solanum dulcamara by over-expression of a gibberellin 20-oxidase cDNA from pumpkin

Curtis, I. S., Ward, D. A., Thomas, S. G., Phillips, A. L., Davey, M. R., Power, J. B., Lowe, K. C., Croker, S. J., Lewis, M. J., Magness, S. L. and Hedden, P. 2000. Induction of dwarfism in transgenic Solanum dulcamara by over-expression of a gibberellin 20-oxidase cDNA from pumpkin. Plant Journal. 23, pp. 329-338.

Molecular cloning and functional expression of gibberellin 2-oxidases, multifunctional enzymes involved in gibberellin deactivation

Thomas, S. G., Phillips, A. L. and Hedden, P. 1999. Molecular cloning and functional expression of gibberellin 2-oxidases, multifunctional enzymes involved in gibberellin deactivation. Proceedings of the National Academy of Sciences of the United States of America. 96 (8), pp. 4698-4703.

Genetic engineering for bolting resistance

Van Roggen, P. M., Thomas, S. G., Hedden, P., Phillips, A. L., Debenham, G. B., Scott, R. W. and Mathews, A. M. 1997. Genetic engineering for bolting resistance. Proceedings 60th Congress of the Institut International de Recherches Betteravieres, Cambridge, July 1997 . pp. 571-574

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