Professor Howard (Sid) Thomas
Leverhulme Emeritus Fellow
Investigation and modification of cellular and biochemical mechanisms of plant senescence and death, with special emphasis on pigment and protein metabolism.
Cloning, mapping and exploiting genes determining senescence, late-season and post-harvest deterioration, food, feed and bioprocessing quality and consumer perception in a range of crop and amenity species.
Use of imaging and machine-learning methods for non-destructive analysis of plant development and remote field to landscape-level monitoring of crops and ecosystems.
Cultural significance of scientific research and promotion of links between science and the arts.
Remembering Darnel, a Forgotten Plant of Literary, Religious, and Evolutionary Significance. Journal of Ethnobiology 36 (1) pp. 29-44. 10.2993/0278-0771-36.1.292016.
Reading Shakespeare with the grain: sustainability and the hunger business. Green Letters: Studies in Ecocriticism 19 (1) pp. 8-20. 10.1080/14688417.2014.9852422015.
Soper at oure aller cost: The Politics of Food Supply in the Canterbury Tales. The Chaucer Review 50 (1 & 2) pp. 1-29.2015.
Food and the Literary Imagination. Palgrave Macmillan, Basingstoke2014.
Multiscale digital Arabidopsis predicts individual organ and whole-organism growth. Proceedings of the National Academy of Sciences of the United States of America Proceedings of the National Academy of Sciences 111 (39) pp. E4127-E4136. 10.1073/pnas.14102381112014.
The stay-green trait. Journal of Experimental Botany 65 pp. 3889-3900. 10.1093/jxb/eru0372014.
Reading with the Grain: Sustainability and the Literary Imagination. 2013 INSPIRE Lecture on Literature and Sustainability. 2013 INSPIRE Lecture on Literature and Sustainability, Lampeter, United Kingdom of Great Britain and Northern Ireland, 23/05/2013. Prifysgol Cymru Y Drindod Dewi Sant, Lampeter Other2013.
Keats's Prospects. Times Literary Supplement pp. 14-15.2012.
On St Giles Hill- Keats’s Ode “To Autumn’ in the Market. Times Literary Supplement pp. 14-15.2012.
The Autumn King: Remembering the Land in King Lear. Shakespeare Quarterly 63 (4) pp. 518-543. 10.1353/shq.2012.00592012.
A flexible quantitative methodology for the analysis of gene-flow between conventionally bred maize populations using microsatellite markers. Theoretical and Applied Genetics 122 (4) pp. 819-829. 10.1007/s00122-010-1489-0 Cadair2011.
Evolution, Physiology and Phytochemistry of the Psychotoxic Arable Mimic Weed Darnel (Lolium temulentum L.). In U. Lüttge, W. Beyschlag, B. Büdel, D. Francis (eds), Progress in Botany. Springer pp. 73-104. 10.1007/978-3-642-13145-5_3 Cadair2011.
A Tragedy of Idle Weeds: Why Grigori Kozintsev's Lear is more faithful to Shakespeare's 'arable play' than most modest stagings. Times Literary Supplement pp. 14-15.2010.
Accumulation of chlorophyll catabolites photosensitizes the hypersensitive response elicited by Pseudomonas syringae in Arabidopsis. New Phytologist 188 (1) pp. 161-174. 10.1111/j.1469-8137.2010.03377.x2010.
2009. Faecal Markers - Markers developed to optimise visualisation of faecal contamination on animal carcasses in the abattoir.
Genome restructuring in hybrids: marriages of inconvenience. pp. pp11-28. Other2009.
Making crop and plant mathematical models easily accessible to the plant science and systems biology communities.2009.
PlaSMo: Making existing plant and crop mathematical models available to plant systems biologists. Comparative Biochemistry and Physiology - Part A: Molecular and Integrative Physiology pp. 225-. 10.1016/j.cbpa.2009.04.562 Cadair2009.
PlasMo: Making existing plant and crop mathematical models available to plant systems biologist. Aspects 93: Integrated Agricultural Systems. Association of Applied Biologists Conference on Integrated Agricultural Systems: Methodologies, Modelling and Measuring, Edinburgh, United Kingdom of Great Britain and Northern Ireland, 02/06/2009 - 04/06/2009. pp. S225-S226.2009.
Nondestructive analysis of senescence in mesophyll cells by spectral resolution of protein synthesis-dependent pigment metabolism. New Phytologist 179 (3) pp. 663-674. 10.1111/j.1469-8137.2008.02412.x Cadair Other2008.
Modification of nitrogen remobilisation, grain fill and leaf senescence in maize (Zea mays L.) by transposon insertional mutagenensis in a protease gene. New Phytologist 173 (3) pp. 481-494. 10.1111/j.1469-8137.2006.01928.x Other Cadair2007.
Throwing new light on the hypersensitive response. Comparative Biochemistry and Physiology - Part A: Molecular and Integrative Physiology 146 (4) C2.9 Abstracts of the Annual Main Meeting of the Society for Experimental Biology, Glasgow, United Kingdom of Great Britain and Northern Ireland, 31/03/2007 - 04/04/2007. 10.1016/j.cbpa.2007.01.4452007.
From crop to model to crop: identifying the genetic basis of the staygreen mutation in the Lolium/Festuca forage and amenity grasses. New Phytologist 172 (4) pp. 592-597. 10.1111/j.1469-8137.2006.01922.x Cadair2006.
Discriminating stay-green grasses using hyperspectral imaging and chemometrics. In M. Humphreys (ed), Molecular breeding for the genetic improvement of forage crops and turf. Wageningen Academic Publishers pp. 120. Cadair Other Other2005.
Introgression mapping in the grasses. The 4th international symposium on the molecular breeding of forage and turf, a satellite workshop of the XXth International Grassland Congress, Aberystwyth, United Kingdom of Great Britain and Northern Ireland, 26/06/2005 - 02/07/2005. pp. 31-41. Cadair2005.
Identification of molecular markers for crown rust (Puccinia coronata) resistance in a Lolium/Festuca introgression population using syntenic relationships with rice. Plant Genomics European Meeting, Lyon, France, 22/09/2004 - 25/09/2004.2004.
Leaf senescence is delayed in maize expressing the Agrobacterium IPT gene under the control of a novel maize senescence-enhanced promoter. Plant Biotechnology Journal 2 (2) pp. 101-112. 10.1046/j.1467-7652.2004.00054.x Cadair2004.
Ageing in plants. Mechanisms of Ageing and Development 123 (7) British Society for Research on Ageing / Institute of Biologists Meeting, London, United Kingdom of Great Britain and Northern Ireland, 25/03/2002 - 26/03/2002. pp. 747–753. 10.1016/S0047-6374(01)00420-1 Cadair2002.
Developing a chromosome substitution series in Lolium/Festuca. 2002 Plant Science Wales, Bangor, United Kingdom of Great Britain and Northern Ireland, 07/01/2002 - 08/01/2002.2002.
Introgression mapping - the route to designer breeding in grasses. Proceedings of the XVIth EUCARPIA Congress. XVIth EUCARPIA Congress, Edinburgh, United Kingdom of Great Britain and Northern Ireland, 10/09/2001 - 14/09/2001. , Edinburgh, Scotland pp. 139-145.2001.
Introgression mapping reveals a 1:1 correspondence between chiasma frequency and genetic distance. 9th International Plant and Animal Genome Meeting, California, United States of America, 13/01/2001 - 17/01/2001. pp. 134.2001.
Chlorophyll breakdown in Chlorella protothecoides: characterization of degreening and cloning of degreening-related genes. Plant Molecular Biology 42 (3) pp. 439-450. 10.1023/A:10063801254382000.
De Novo Evolution of Satellite DNA on the Rye B Chromosome. Genetics 154 (2) pp. 869-884. Other2000.
Retrotransposon Evolution in Diverse Plant Genomes. Genetics 156 (1) pp. 313-325. Other2000.
Species relationships, introgression and physical mapping in Lolium perenne x Festuca pratensis hybrids. In E. Olmo, C. Redi (eds), Chromosomes Today: Proceedings 13th International Chromosome Conference. Proceedings 13th International Chromosome Conference, Ancona, Italy, 08/09/1998 - 12/09/1998. Springer pp. 277-286.2000.
Evidence for root contraction in white clover (Trifolium repens L.). Annals of Botany 84 (3) pp. 359-369. 10.1006/anbo.1999.09281999.
Introgression mapping in the grasses. I. Introgression of Festuca pratensis chromosomes and chromosome segments into Lolium perenne. Heredity 81 (4) pp. 462-467. 10.1046/j.1365-2540.1998.00437.x1998.
Physically mapping quantitative traits for stress resistance in the forage grasses. Journal of Experimental Botany 49 (327) pp. 1611-1618. 10.1093/jxb/49.327.16111998.
Chlorophyll a fluorescence and antioxidant analyses provide evidence for the operation of alternative electron sinks during leaf senescence in a stay-green mutant of Festuca pratensis. Plant, Cell and Environment 20 (11) pp. 1323. 10.1046/j.1365-3040.1997.d01-30.x1997.
Introgression, tagging and expression of a leaf senescence gene in Festulolium. New Phytologist 137 (1) pp. 29-34. 10.1046/j.1469-8137.1997.00830.x1997.
Leaf senescence in a non-yellowing mutant of Festuca pratensis: implications of the stay-green mutation for photosynthesis, growth and nutrition . Plant, Cell and Environment 20 (8) pp. 1007-1018. 10.1111/j.1365-3040.1997.tb00677.x1997.
Leaf development in Lolium temulentum: photosynthesis in relation to growth and senescence. New Phytologist 160 (2) pp. 159-168. 10.1111/j.1469-8137.1995.tb03037.x1995.
Leaf Development in Lolium temulentum: Photosynthesis and Photosynthetic Proteins in Leaves Senescing under Different Irradiances. Plant and Cell Physiology pp. 391-399.1993.