The Complete Works

H Thomas, JE Archer. 2022. Chaucer and famine. In: The Chaucer Encyclopedia (ed RG Newhauser). NY: Wiley (in press)

H Thomas. 2022. Biosynthesis of ethylene. Archives of Biochemistry and Biophysics (in press)

BJ Thomas, R Fychan, HM McCalman, R Sanderson, H Thomas, CL Marley. 2022. Vicia sativa as a grazed forage for improved protein feed security in temperate grassland food production systems. Food and Energy Security (in press)

H Thomas, H Ougham, D Sanders. 2022. Plant blindness and sustainability. International Journal of
Sustainability in Higher Education 23: 41-57 DOI: 10.1108/IJSHE-09-2020-0335 [Read/download]

LAJ Mur, H Ougham, H Thomas. 2021. Chlorophyll metabolism and its role in responses and adaptations to stress. Annual Plant Reviews Online 713-732 [Read/download]

H Thomas. 2021. Plant Blindness. Wye: Thomas [more here]

S Aubry, B Christ, B Kräutler, E Martinoia, H Thomas,C Zipfel. 2021. An evergreen mind and a heart for the colors of fall. Journal of Experimental Botany 72: 4625–4633 [Read/download; more here]

H Thomas. 2021. Confessions of an Accidental Jazz Pianist. Wye: Thomas [more here]

D Sanders, H Ougham, H Thomas. 2020. Plant Blindness. In: Oxford Bibliographies in Ecology. Ed. David Gibson. New York: Oxford University Press, DOI: 10.1093/obo/9780199830060-0232

H Thomas. 2019. Grass blindness. Plants, People, Planet DOI: 10.1002/ppp3.28  [Read/download]

H Thomas. 2019. The evolutionary origins and subsequent histories of soils and trees. Arboricultural Journal DOI: 10.1080/03071375.2019.1562794 [Read/download]

H Thomas. 2018. The Tale of the Three Little Pigments. Aberystwyth: Thomas (available here)

H Thomas. 2017. The War Between Trees and Grasses. Aberystwyth: Thomas (available here)

H Thomas, H Ougham. 2017. On plant growth and form. New Phytologist 216: 337-338 [Read/download]

H Thomas. 2017. A green epoch in the evolutionary history of biological energy sources. Nature Ecology and Evolution 1: doi:10.1038/s41559-017-0302-8 [Read/download]

H Ougham, H Thomas. 2017. Y ddeilen hon: natur, tarddiadau a dibenion lliwiau dail. Gwerddon 24: 38-50 [Read/download]

JE Archer, H Thomas, R Marggraf Turley. 2017. The millers’ tales: sustainability, the arts, and the watermill. In: Literature and Sustainability. Concept, Text, and Culture (eds A Johns-Putra, J Parham, L Squire) pp 13-32. Manchester: University Press

H Thomas, H Ougham. 2016, Introduction to a Virtual Issue on plant senescence. New Phytologist 212: 531–536 [Read/download]

H Thomas. 2016. Senescence. Aberystwyth: Thomas (available here)

H Thomas, J E Archer, R Marggraf Turley. 2016. Remembering darnel, a forgotten plant of literary, religious, and evolutionary significance. Journal of Ethnobiology 36: 29-44  [Read/download]

HS Thomas. 2016. 20 Steps to Jazz Keyboard Harmony (2nd edition 2020). e-book published by H Thomas at Smashwords

H Thomas, H Ougham, LAJ Mur, S Jansson. 2015. Senescence and programmed cell death. In: Biochemistry and Molecular Biology of Plants. 2nd edition (eds B Buchanan, W Gruissem, R Jones) pp 925-982. NY: Wiley-ASPB

J E Archer, R Marggraf Turley, H Thomas. 2015. “Soper at oure aller cost”: the politics of food supply in the Canterbury Tales. Chaucer Review 50: 1-29 [Read/download]

J E Archer, R Marggraf Turley, H Thomas. 2015. “Moving accidents by flood and field”: The arable and tidal worlds of George Eliot’s ‘The Mill on the Floss’. English Literary History 82: 701-728 [Read/download]

H Thomas, H Ougham. 2015. Senescence and crop performance. In: Crop Physiology. Applications for Genetic Improvement and Agronomy. 2nd edition (eds VO Sadras, DF Calderini) pp 223-249. London, Waltham, San Diego: Academic Press

J E Archer, R Marggraf Turley, H Thomas. 2014. Reading Shakespeare with the grain: sustainability and the hunger business. Green Letters 19: 8-20 [Read/download]

YH Chew, B Wenden, A Flis, V Mengin, J Taylor, CL Davey, C Tindal, H Thomas, H J Ougham, P de Reffye, M Stitt, M Williams, R Muetzelfeldt, K J Halliday, A J Millar. 2014. A multi-scale digital Arabidopsis predicts individual organ and whole-organism growth. PNAS 111: E4127-E4136 [Read/download]

J Archer, R Marggraf Turley, H Thomas. 2014. Food and the Literary Imagination. London: Palgrave (available here)

H Thomas, H Ougham. 2014. The stay-green trait. Journal of Experimental Botany 65: 3889-3900 [Read/download]

JE Archer, R Marggraf Turley, H Thomas. 2013. Reading with the Grain: Sustainability and the Literary Imagination. INSPIRE-ASLE-UKI Essay Competition Winner [Read/download] Here’s a video of the authors presenting the 2013 INSPIRE Public Lecture on Literature and Sustainability at the Hay Festival:
https://youtu.be/l50fVaWZNfk

H Thomas. 2013. ‘Cultivating Common Ground’: a participant’s perspective. In: R Crossland. Cultivating common ground: interdisciplinary approaches to biological research. New Phytologist 197: 362-365 [Read/download]

H Thomas. 2013. Senescence, aging, and death of the whole plant. New Phytologist 197: 696–711 [Read/download]

R Marggraf Turley, JE Archer, H Thomas. 2012. On St Giles Hill. Keats’s Ode ‘to Autumn’ in the Market. Times Literary Supplement No. 5723 (5 December 2012) pp 14-15

R Marggraf Turley, H Thomas, JE Archer. 2012. Keats, ‘To Autumn’, and the New Men of Winchester. Review of English Studies 63: 797-817 [Read/download]

H Thomas. 2012. Plant senescence. In: Biological Science Fundamentals and Systematics (Eds. A Minelli, G Contrafatto). Encyclopedia of Life Support Systems (EOLSS), Developed under the Auspices of the UNESCO, Eolss Publishers, Oxford, UK, [http://www.eolss.net]

RL Jones, H Ougham, H Thomas, SD Waaland. 2012. The Molecular Life of Plants. NJ, Chichester: Wiley (available here)

JE Archer, H Thomas, R Marggraf Turley. 2012. The Autumn King: remembering the land in King Lear. Shakespeare Quarterly 63: 518-543 [Read/download]

PRH Robson, R Kelly, EF Jensen, GD Giddings, M Leitch, C Davey, AP Gay, G Jenkins, H Thomas, IS Donnison. 2011. A flexible quantitative methodology for the analysis of gene flow between conventionally-bred maize populations using microsatellite markers. Theoretical and Applied Genetics 122:819–829 [Read/download]

H Thomas, J Archer, R Marggraf Turley. 2011. Evolution, physiology, and phytochemistry of the psychotoxic arable mimic weed darnel (Lolium temulentum L). Progress in Botany 72: 73-104 [Read/download]

J Raven, H Thomas. 2010. Quick guide: grasses. Current Biology 20: R837-R839 [Read/download]

LAJ Mur, S Aubry, M Mondhe, A Kingston-Smith, J Gallagher, E Timms-Taravella, C James, I Papp, S Hörtensteiner, H Thomas, H Ougham. 2010. Accumulation of chlorophyll catabolites photosensitizes the hypersensitive response elicited by Pseudomonas syringae in Arabidopsis. New Phytologist 188: 161–174 [Read/download]

H Thomas. 2010. Leaf senescence and autumn leaf coloration. McGraw Hill 2010 Yearbook of Science and Technology pp 211-214 [Read/download]

R Marggraf Turley, H Thomas, J E Archer. 2010. A tragedy of idle weeds. Times Literary Supplement No. 5577 (19 February 2010) pp 14-15 [Read/download]

C Davey, H Ougham, A Millar, H Thomas, C Tindal, R Muetzelfeldt. 2009. PlaSMo: Making existing crop and plant growth models easily available to the wider scientific and policy-making communities. In: Integrated Agricultural Systems: Methodologies, Modelling, and Measuring (Eds: MacLeod M et al). Association of Applied Biologists. Aspects of Applied Biology 93, 227

C Davey, H Ougham, A Millar, H Thomas, C Tindal, R Muetzelfeldt. 2009. PlaSMo: Making existing plant and crop mathematical models available to plant systems biologists. Comparative Biochemistry and Physiology volume 153A (No2 suppl).

RN Jones, H Ougham, H Thomas, I Pašakinskienė. 2009. Markers and mapping revisited: finding your gene. New Phytologist 183: 935-966 [Read/download]

RN Jones, H Thomas. 2009. Genome restructuring in hybrids – a marriage of inconvenience. In: Genetyka i genomika w doskonaleniu roslin uprawnych (Genetics and genomics in crop plant improvement: from a model plant to a new cultivar. Eds B Naganowska, P Kachlicki, P Krajewski) pp 11-28. Poznan, Poland: Instytut Genetyki Roslin PAN w Poznaniu. [Read/download]

H Thomas, L Huang, M Young, H Ougham. 2009. Evolution of plant senescence. BMC Evolutionary Biology 9:163 (doi:10.1186/1471-2148-9-163) [Read/download]

M Archetti, TF Döring, SB Hagen, NM Hughes, SR Leather, DW Lee, S Lev-Yadun, Y Manetas, HJ Ougham, PG Schaberg, H Thomas. 2009. Response to Sinkkonen: Ultraviolet reflectance in autumn leaves and the un-naming of colors. Trends in Ecology and Evolution 24: 237-238 [Read/download]

M Archetti, TF Döring, SB Hagen, NM Hughes, SR Leather, DW Lee, S Lev-Yadun, Y Manetas, HJ Ougham, PG Schaberg, H Thomas. 2009. Unraveling the evolution of autumn colors – an interdisciplinary approach. Trends in Ecology and Evolution 24: 166-173 [Read/download]

H Ougham, H Thomas, Archetti M. 2008. Origin and evolution of autumn colors. New Phytologist 179: 9-13 [Read/download]

A Gay, H Thomas, M Roca, C James, J Taylor, J Rowland, H Ougham. 2008. Non-destructive analysis of senescence in mesophyll cells by spectral resolution of protein synthesis-dependent pigment metabolism. New Phytologist 179: 663–674 [Read/download]

H Ougham, S Hörtensteiner, I Armstead, I Donnison, I King, H Thomas L Mur. 2008. The control of chlorophyll catabolism and the status of yellowing as a biomarker of leaf senescence. Plant Biology 10 (supplement 1): 4-14 [Read/download]

S Jansson, H Thomas. 2008. Senescence: developmental program or timetable? New Phytologist 179: 575–579 [Read/download]

H Thomas. 2008. Systems Biology and the Biology of Systems: how, if at all, are they related? New Phytologist 177: 11-15 [Read/download]

I Armstead, Lin Huang, J King, H Ougham, H Thomas, I King. 2007. Rice pseudomolecule-anchored cross-species DNA sequence alignments indicate regional genomic variation in expressed sequence conservation. BMC Genomics 8: 283 [Read/download]

H Thomas. 2007. Plastid senescence. Part 9 in KJ Hoober (ed) The chloroplast: the organelle that sustains us. Henry Stewart Talks Series (http://www.hstalks.com/chloro/)

J King, IP Armstead, IS Donnison, JA Harper, LA Roberts, H Thomas, H Ougham, A Thomas, L Huang, IP King. 2007. Introgression mapping in the grasses. Chromosome Research 15: 105-113 [Read/download]

H Ougham, I Armstead, C Howarth, I Galyuon, I Donnison, H Thomas. 2007. The genetic control of senescence was revealed by mapping quantitative trait loci. Annual Plant Reviews 26: 171-201

I Armstead, I Donnison, S Aubry, J Harper, S Hörtensteiner, C James, J Mani, M Moffet, H Ougham, L Roberts, A Thomas, N Weeden, H Thomas, I King. 2007. Cross-species identification of Mendel’s I locus. Science 315: 73 [Read/download]

H Thomas. 2007. Plastid senescence. Part 9 in KJ Hoober (ed) The chloroplast: the organelle that sustains us. Henry Stewart Talks Series (http://www.hstalks.com/chloro/)

IS Donnison, AP Gay, H Thomas, KJ Edwards, D Edwards, CL James, AM Thomas, HJ Ougham. 2007. Modification of nitrogen remobilization, grain fill, and leaf senescence in maize (Zea mays L.) by transposon insertional mutagenesis in a protease gene. New Phytologist 173: 481–494 [Read/download]

I Armstead, I Donnison, S Aubry, J Harper, S Hörtensteiner, C James, J Mani, M Moffet, H Ougham, L Roberts, A Thomas, N Weeden, H Thomas, I King. 2006. From crop to model to crop: identifying the genetic basis of the staygreen mutation in the forage grass Festuca pratensis (Huds.) New Phytologist 172: 592-597 [Read/download]

I Donnison, D O’Sullivan, A Thomas, P Canter, B Moore, I Armstead, H Thomas, K Edwards, I King. 2005. Construction of a Festuca pratensis BAC library for map-based cloning in Festulolium substitution lines. Theoretical and Applied Genetics 110: 846-851

HJ Ougham, P Morris, H Thomas. 2005. The colors of autumn leave as symptoms of cellular recycling and defenses against environmental stresses. Current Topics in Developmental Biology 66: 135-160 [Read/download]

PH Canter, H Thomas, E Ernst. 2005. Bringing medicinal plants into cultivation: opportunities and challenges for biotechnology. Trends in Biotechnology 23: 180-185 [Read/download]

BJ Moore, I Donnison, JA Harper, IP Armstead, J King, H Thomas, RN Jones, TH Jones, HM Thomas, WG Morgan, A Thomas, HJ Ougham, L Huang, PA Fentem, LA Roberts, IP King. 2005. Molecular tagging of a senescence gene by introgression mapping of a mutant stay-green locus from Festuca pratensis. New Phytologist 165: 801-806 [Read/download]

AH Kingston-Smith, RJ Merry, DK Leemans, H Thomas, MK Theodorou. 2005. Evidence in support of a role for plant-mediated proteolysis in the rumens of grazing animals. British Journal of Nutrition 93: 73-79 [Read/download]

M Roca, C James, A Pružinská, S Hörtensteiner, H Thomas, H Ougham. 2004. Analysis of the chlorophyll catabolism pathway in leaves of an introgression senescence mutant of Lolium temulentum. Phytochemistry 65: 1231-1238 [Read/download]

M Roca, C James, S Hörtensteiner, H Thomas, H Ougham. 2004. Chlorophylls and their breakdown products in green plant tissues: Genetic and environmental control. In: Pigments in Food, more than colours…(ed L Dufossé) pp 8-10 Quimper: Université de Bretagne Occidentale

PRH Robson, IS Donnison, Kan Wang, B Frame, SEl Pegg, A Thomas, H Thomas. 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: 101-112 [Read/download]

Q Li, PRH Robson, AJE Bettany, TLW Carver, IS Donnison, H Thomas, IM Scott. 2004. Modification of senescence in ryegrass transformed with IPT under the control of a monocot senescence-enhanced promoter. Plant Cell Reports 22: 816-821

H Thomas. 2003. Do green plants age and if so how? Topics in Current Genetics 3: 145-171 [Read/download]

H Thomas, HJ Ougham, C Wagstaff, AJ Stead. 2003. Defining senescence and death. Journal of Experimental Botany 54: 1127-1132 [Read/download]

JH Macduff, MO Humphreys, H Thomas. 2002. Effects of a stay-green mutation on plant nitrogen relations in Lolium perenne L. during N starvation and after defoliation. Annals of Botany 89: 11-21 [Read/download]

H Thomas, H Ougham. 2002. Presence: the ephemeral in focus. In: H Ackroyd, D Harvey, Exhibition CD ROM. Boston: Isabella Stewart Gardner Museum

H Thomas, H Ougham, P Canter, I Donnison. 2002. What stay-green mutants tell us about nitrogen remobilisation in leaf senescence. Journal of Experimental Botany 53: 801-808 [Read/download]

H Thomas. 2002. Ageing in plants. Mechanisms of Ageing and Development 123: 747-753 [Read/download]

H Thomas, H Ougham, S Hörtensteiner. 2001. Recent advances in the cell biology of chlorophyll catabolism. Advances in Botanical Research 35: 1-52

P Robson, I Donnison, D Thorogood, S Cowan, H Ougham, H Thomas H. 2001. New ways to stay green. IGER Innovations 5: 12-15   [Read/download]

A M Jones, S Coimbra, A Fath, M Sottomayer, H Thomas. 2001. Programmed cell death assays for plants. In: Methods in Cell Biology: Cell Death, Second Edition (ed L Schwartz, J Ashwell) 66: 437-451. San Diego: Academic Press

H Thomas, H J Ougham, J Taylor. 2001. Something special happens when the human eye and green leaves meet. In: Afterlife – a new work in chlorophyll by Heather Ackroyd and Dan Harvey. Exhibition Catalogue. London: Beaconsfield

H Thomas, V O Sadras. 2001. The capture and gratuitous disposal of resources by plants. Functional Ecology 15: 3-12 [Read/download]

H Thomas, I Donnison. 2000. Back from the brink: plant senescence and its reversibility. In: Programmed Cell Death in Animals and Plants (eds J Bryant, S G Hughes, J M Garland) pp 149-162. Oxford: Bios

H Thomas, H M Thomas, H Ougham. 2000. Annuality, perenniality, and cell death. Journal of Experimental Botany 51: 1-8 [Read/download]

Q Li, A J E Bettany, I Donnison, C M Griffiths, H Thomas, I M Scott. 2000. Characterisation of a cysteine protease cDNA from Lolium multiflorum (Lam.) leaves and its expression during senescence and cytokinin treatment. Biochimica et Biophysica Acta 1492: 233-236

S Hörtensteiner, J Chinner, P Matile, H Thomas, I S Donnison. 2000. Chlorophyll breakdown in Chlorella protothecoides: characterization of degreening and cloning of degreening related genes. Plant Molecular Biology 42: 439-450 [Read/download]

T Langdon, C Seago, M Mende, J M Legget, H M Thomas, J W. Forster, H Thomas, R N Jones, G Jenkins. 2000. Retrotransposon evolution in diverse plant genomes. Genetics 156: 313-325 [Read/download]

J L Dangl, RA Dietrich, H Thomas. 2000. Senescence and programmed cell death. In: Biochemistry and Molecular Biology of Plants (eds B Buchanan, W Gruissem, R Jones) pp 1044-1100. Rockville: ASPP

H Thomas, C J Howarth. 2000. Five ways to stay green. Journal of Experimental Botany 51: 329-337 [Read/download]

T Langdon, C Seago, R N Jones, H J Ougham, H Thomas, J W Forster, G Jenkins. 2000. De novo evolution of satellite DNA on the rye B chromosome. Genetics 154: 869-884 [Read/download]

W-Y Zhu, A H Kingston-Smith, D Troncoso, R J Merry, D R Davies, G Pichard, H Thomas, M K Theodorou. 1999. Evidence in favour of plant-mediated proteolysis in the rumen. Journal of Dairy Science 82: 1-8

A Touré, B I G Haussmann, R N Jones, H Thomas, H J Ougham. 1999. Construction of a genetic map, mapping of major genes, and QTL analysis. In: Training manual: Application of molecular markers in plant breeding. (eds B I G Haussmann, D E Hess, C T Hash, P Bramel-Cox). Hyderabad: ICRISAT

H A Zavaleta-Mancera, B J Thomas, H Thomas, I M Scott. 1999. Regreening of senescent Nicotiana leaves. II. Redifferentiation of plastids. Journal of Experimental Botany 50: 1683-1689 [Read/download]

H A Zavaleta-Mancera, K A Franklin, H J Ougham, H Thomas, I M Scott. 1999. Regreening of senescent Nicotiana leaves. I. Reappearance of NADPH-protochlorophyllide oxidoreductase and light-harvesting chlorophyll a/b-binding protein. Journal of Experimental Botany 50: 1677-1682 [Read/download]

H Thomas, W G Morgan, A M Thomas, H J Ougham. 1999. Expression of the stay-green character introgressed into Lolium temulentum Ceres from a senescence mutant of Festuca pratensis. Theoretical and Applied Genetics 99: 92-99 [Read/download]

P Matile, S Hörtensteiner, H Thomas. 1999. Chlorophyll degradation. Annual Review of Plant Physiology and Plant Molecular Biology 50: 67-95 [Read/download]

R Turner, J Braunholtz, J Chapple, I Crute, R Hignett, B Miflin, F Oldfield, G Sage, H Thomas, B van der Have. 1998. Foresight for Agriculture, Horticulture, and Forestry – Crop Production. London: DTI

H Thomas. 1998. Air today – gone tomorrow. New Phytologist 139: 225-229 [Read/download]

A H Kingston-Smith, H Thomas, C H Foyer. 1997. Chlorophyll a fluorescence, enzyme, and antioxidant analysis provide evidence for the operation of an alternative electron sink during leaf senescence in a stay-green mutant of Festuca pratensis. Plant Cell and Environment 20: 1323-1337

R N Jones, H J Ougham, H Thomas. 1997. Markers and mapping; we are all geneticists now. New Phytologist 137: 165-177 [Read/download]

H Thomas, C Evans, H M Thomas, M W Humphreys, G Morgan, B Hauck, I Donnison. 1997. Introgression, tagging, and expression of a leaf senescence gene in Festulolium. New Phytologist 137: 29-34 [Read/download]

S Rodoni, W Mühlecker, M Anderl, B Kräutler, D Moser, H Thomas, P Matile, S Hörtensteiner. 1997. Chlorophyll breakdown in senescent chloroplasts. Cleavage of phaeophorbide a in two enzymic steps. Plant Physiology 115: 669-676

B Hauck, A P Gay, J Macduff, C M Griffiths, H Thomas. 1997. Leaf senescence in a non-yellowing mutant of Festuca pratensis: implications of the stay-green mutation for photosynthesis, growth and nitrogen nutrition. Plant Cell and Environment 20: 1007-1018

C M Griffiths, S E Hosken, D Oliver, J Chojecki, H Thomas. 1997. Sequencing, expression pattern, and RFLP mapping of a senescence-enhanced cDNA from Zea mays with high homology to oryzain γ and aleurain. Plant Molecular Biology 34: 815-821 [Read/download]

H Thomas. 1997. Chlorophyll: a symptom and a regulator of plastid development. New Phytologist 136: 163-181 [Read/download]

P Matile, S Hörtensteiner, H Thomas, B Kräutler. 1996. Chlorophyll breakdown in senescent leaves. Plant Physiology 112: 1403-1409

H Thomas, L de Villiers. 1996. Gene expression in rosette leaves of Arabidopsis thaliana induced to senesce by nutrient deprivation. Journal of Experimental Botany 47: 1845-1852

H Thomas, M Schellenberg, F Vicentini, P Matile. 1996. Gregor Mendel’s green and yellow pea seeds. Botanica Acta 109: 3-4

M K Theodorou, R J Merry, H Thomas. 1996. Is proteolysis in the rumen of grazing animals mediated by plant enzymes? British Journal of Nutrition 75: 507

K Morris, H Thomas, L J Rogers. 1996. Endopeptidases during the development and senescence of Lolium temulentum leaves. Phytochemistry 41: 377-384 [Read/download]

A P Gay, H Thomas. 1995. Leaf development in Lolium temulentum: photosynthesis in relation to growth and senescence. New Phytologist 130: 159-168 [Read/download]

N Souriau, B Hauck, A Gay, C Foyer, H Thomas. 1995. Photosynthesis and light energy dissipation in senescing leaves of grass mutants blocked in chlorophyll degradation. In: Photosynthesis: from Light to Biosphere (ed P Mathis) III: 953-956

H Thomas, J L Stoddart. 1995. Temperature sensitivities of Festuca arundinacea and Dactylis glomerata ecotypes. New Phytologist 130: 125-134 [Read/download]

F Vicentini, S Hörtensteiner, M Schellenberg, H Thomas, P Matile. 1995. Chlorophyll breakdown in senescent leaves: identification of the biochemical lesion in a stay-green genotype of Festuca pratensis Huds. New Phytologist 129: 247-252

C Smart, S Hosken, H Thomas, J Greaves, B Blair, W Schuch. 1995. The timing of maize leaf senescence and characterisation of senescence-related cDNAs. Physiologia Plantarum 93: 673-682

B Biswal, LJ Rogers, AJ Smith, H Thomas. 1994. Carotenoid composition and its relationship to chlorophyll and D1 protein during leaf development in a normally senescing cultivar and a stay-green mutant of Festuca pratensis. Phytochemistry 37: 1257-1262

H Thomas. 1994. Resource rejection by higher plants. In: Resource Capture by Crops (eds JL Monteith, RK Scott, MH Unsworth) pp 375-385. Nottingham: University Press

A Bachmann, J Fernández-López, S Ginsburg, H Thomas, J C Bouwkamp, T Solomos, P Matile. 1994. Stay-green genotypes of Phaseolus vulgaris. Chloroplast proteins and chlorophyll catabolites during foliar senescence. New Phytologist 126: 593-600

H Thomas. 1994. Aging in the plant and animal kingdoms – the role of cell death. Reviews in Clinical Gerontology 4: 5-20

H Thomas, C M Smart. 1993. Crops that stay green. Annals of Applied Biology 123: 193-219 [Read/download]

K Morris, H Thomas, L J Rogers. 1993. Immunological analysis of proteolytic and nitrogen metabolism enzymes in Lolium temulentum leaves. Biochemical Society Transactions 21: 474

C J Pollock, H Thomas, J L Stoddart. 1993. Temperature and the control of leaf extension in temperate grasses and cereals. In: Crop Adaptation to Cool, Wet Climates (eds D Wilson, H Thomas, K Pithan) pp 35-43. Brussels: EC COST 814

A P Gay, H Thomas, T Mae, A Makino, J Hidema. 1993. Effect of light intensity during senescence on photosynthesis and photosynthetic proteins of Lolium temulentum. In: Crop Adaptation to Cool, Wet Climates (eds D Wilson, H Thomas, K Pithan) pp 159-166. Brussels: EC COST 814 Workshop

M Schellenberg, P Matile, H Thomas. 1993. Production of a presumptive chlorophyll catabolite in vitro: requirement for reduced ferredoxin. Planta 191: 417-420

H Thomas, U Feller. 1993. Leaf development in Lolium temulentum: differential susceptibility of transaminase isoenzymes to proteolysis. Journal of Plant Physiology 142: 37-42

T Mae, H Thomas, A P Gay, A Makino, J Hidema. 1993. Leaf development in Lolium temulentum: photosynthesis and photosynthetic proteins in leaves senescing under different irradiances. Plant and Cell Physiology 34: 391-399 [Read/download]

L P Nock, L J Rogers, H Thomas. 1992. Metabolism of protein and chlorophyll in leaf tissue of Festuca pratensis Huds. during chloroplast assembly and senescence. Phytochemistry 31: 1465-1470

J L Stoddart, C J Pollock, H Thomas. 1992. Harnessing Photosynthesis. AFRC/SERC Clean Technology Unit

H Thomas, H J Ougham, T G E Davies. 1992. Leaf senescence in a non yellowing mutant of Festuca pratensis: transcripts and translation products. Journal of Plant Physiology 139: 403-412

N Baker, H Thomas, eds. 1992. Crop Photosynthesis: Spatial and Temporal Determinants. Amsterdam: Elsevier

H Thomas. 1992. Canopy survival. In: Crop Photosynthesis: Spatial and Temporal Determinants (eds N Baker, H Thomas) pp 11-41. Amsterdam: Elsevier

A J Mort, H Thomas, L J Rogers. 1992. Proteins of photosystem 1 during chloroplast assembly and senescence in Festuca pratensis. Biochemical Society Transactions 20: 286

T G E Davies, L J Rogers, B J Thomas, H Thomas. 1990. Leaf development in Lolium temulentum: formation of the photosynthetic apparatus in the presence of the porphyrin synthesis inhibitor gabaculine. Journal of Experimental Botany 41: 905-917

H Thomas, L J Rogers. 1990. Turning over an old leaf. University of Wales Review of Science and Technology 6: 29-38

T G E Davies, H Thomas, B J Thomas, L J Rogers. 1990. Leaf senescence in a non yellowing mutant of Festuca pratensis: metabolism of cytochrome f. Plant Physiology 93: 588-595

M Schellenberg, P Matile, H Thomas. 1990. Breakdown of chlorophyll in chloroplasts of senescent barley leaves depends on ATP. Journal of Plant Physiology 136: 564-568

C Peisker, H Thomas, F Keller, P Matile. 1990. Radiolabelling of chlorophyll for studies on catabolism. Journal of Plant Physiology 136: 544-549

H Thomas. 1990. Leaf development in Lolium temulentum: protein metabolism during development and senescence of attached and excised leaf tissue. Journal of Plant Physiology 136: 45-50

T G E Davies, H Thomas, L J Rogers. 1990. Immunological quantification of cytochrome f in leaves of a non yellowing senescence mutant of Festuca pratensis. Photosynthesis Research 24: 99-108

P Matile, T Duggelin, M Schellenberg, D Rentsch, K Bortlik, C Peisker, H Thomas. 1989. How and why is chlorophyll broken down in senescent leaves? Plant Physiology and Biochemistry 27: 595-604

T G E Davies, L J Rogers, H Thomas. 1989. Purification and antigenicity of cytochrome f from meadow fescue, Festuca pratensis Huds. and cross reactivity of the antibodies with the protein from other plant species. Plant Physiology and Biochemistry 27: 889-898

A Thomas, A D Tomos, J L Stoddart, H Thomas, C J Pollock. 1989. Cell expansion rate, temperature and turgor pressure in growing Lolium temulentum leaves. New Phytologist 112: 1–5

P Hilditch, H Thomas, K Lucas. 1989. Kinetic implications of structural modification in protein turnover. BioSystems 22: 241–248

P Hilditch, H Thomas, B J Thomas, L J Rogers. 1989. Leaf senescence in a non yellowing mutant of Festuca pratensis: proteins of Photosystem II. Planta 177: 265–272 [Read/download]

H Thomas, K Bortlik, D Rentsch, M Schellenberg, P Matile. 1989. Catabolism of chlorophyll in vivo: significance of polar chlorophyll catabolites in a non yellowing senescence mutant of Festuca pratensis. New Phytologist 111: 3–8

A P Bennett, T G E Davies, H Thomas, L J Rogers. 1989. Coordination of chromophore-apoprotein biosynthesis in plastids of the developing leaf of Avena sativa L. Biochemical Society Transactions 17: 499-500

T G E Davies, H J Ougham, H Thomas, L J Rogers. 1989. Leaf development in Lolium temulentum L.: plastid membrane polypeptides in relation to assembly of the photosynthetic apparatus and leaf growth. Physiologia Plantarum 75: 47–54

P Matile, S Ginsburg, M Schellenberg, H Thomas. 1988. Catabolites of chlorophyll in senescing barley leaves are localized in the vacuoles of mesophyll cells. Proceedings of the National Academy of Sciences, USA 85: 9529–9532 [Read/download]

T Duggelin, K Bortlik, H Gut, P Matile, H Thomas. 1988. Leaf senescence in Festuca pratensis: accumulation of lipofuscin like compounds. Physiologia Plantarum 74: 131–136

H Thomas, P Matile. 1988. Photobleaching of chloroplast pigments in leaves of a non yellowing mutant genotype of Festuca pratensis. Phytochemistry 27: 345–348

L P Nock, H Thomas, L J Rogers. 1988. Mechanisms of chloroplast assembly and disassembly in Festuca pratensis. Biochemical Society Transactions 16: 1053 1054

H Thomas. 1988. Catabolic regulation of thylakoid membrane structure and function during senescence. In: Plant Membranes: Structure, Assembly and Function (eds J L Harwood, T J Walton) pp 85 95. London: Biochemical Society

T G E Davies, H Thomas, L J Rogers. 1988. Catabolism of cytochrome f in a senescence mutant of Festuca pratensis. Biochemical Society Transactions 16: 1054

H Thomas. 1987. Sid: a Mendelian locus controlling thylakoid membrane disassembly in senescing leaves of Festuca pratensis. Theoretical and Applied Genetics 73: 551–555

P Matile, S Ginsburg, M Schellenberg, H Thomas. 1987. Catabolites of chlorophyll in senescent leaves. Journal of Plant Physiology 129: 219–228

H Gut, C Rutz, P Matile, H Thomas. 1987. Leaf senescence in a non yellowing mutant of Festuca pratensis: degradation of carotenoids. Physiologia Plantarum 70: 659–663

H J Ougham, H Thomas, P Hilditch. 1987. Leaf development in Lolium temulentum L.: gradients of expression of growth and photosynthesis related polypeptides revealed by immunoblotting. Journal of Plant Physiology 129: 181–186

H Thomas. 1987. Foliar senescence mutants and other genetic variants. In: Developmental Mutants in Higher Plants (ed H Thomas, D Grierson) pp 245 265. Cambridge: University Press

H Thomas, D Grierson, eds. 1987. Developmental Mutants in Higher Plants. Cambridge: University Press

C J Pollock, J L Stoddart, H Thomas, T W A Jones. 1987. Protein electrophoresis: isoenzymes as genetic markers. In: Collection, Characterization and Utilization of Genetic Resources of Temperate Forage Grass and Clover (ed B F Tyler) pp 41 53. Rome: IBPGR

J L Stoddart, H Thomas. 1986. The use of microcomputers for general purpose laboratory data capture. Chemistry and Industry 26: 222–230

H Thomas. 1986. The role of polyunsaturated fatty acids in senescence. Journal of Plant Physiology 123: 97–105

J L Stoddart, H Thomas, E J Lloyd, C J Pollock. 1986. The use of a temperature profiled position transducer for the study of low temperature growth in Gramineae: equipment design and output interpretation. Planta 167: 359–363

P Hilditch, H Thomas, L J Rogers. 1986. Leaf senescence in a non yellowing mutant of Festuca pratensis: photosynthesis and photosynthetic electron transport. Planta 167: 146–151

B Luthy, P Matile, H Thomas. 1986. Properties of linolenic acid dependent chlorophyll oxidation in thylakoid membranes. Journal of Plant Physiology 123: 169–180

B Luthy, H Thomas, P Matile. 1986. Linolenic acid dependent “chlorophyll oxidase” activity: a property of Photosystems I and II. Journal of Plant Physiology 123: 203–209

T W A Jones, C J Howarth, H J Ougham, P I Hilditch, H Thomas. 1986. Electrophoretic analysis of plant development. In: Electrophoresis 86 (ed M J Dunn) pp 367 369. Weinheim: VCH

P Hilditch, H Thomas, L J Rogers. 1986. Two processes for the breakdown of the QB protein of chloroplasts. FEBS Letters 208: 313–316 [Read/download]

H Thomas, J F Potter. 1985. Fitting logistic type curves to extension growth data for leaves of grass species by means of the Maximum Likelihood Program: analysis of leaf extension in Lolium temulentum at optimal and chilling temperatures. Environmental and Experimental Botany 25: 157–163 [Read/download]

H Thomas, B Luthy, P Matile. 1985. Leaf senescence in a non yellowing mutant of Festuca pratensis Huds. Oxidative chlorophyll bleaching by thylakoid membranes during senescence. Planta 164: 400–405

B Luthy, E Martinoia, P Matile, H Thomas. 1984. Thylakoid associated “chlorophyll oxidase”: distinction from lipoxygenase. Zeitschrift fur Pflanzenphysiologie 113: 423–434

H Thomas, J J Rowland, J L Stoddart. 1984. A microprocessor based instrument for measuring plant growth. Journal of Microcomputer Applications. 7: 217–223

H Thomas, J L Stoddart. 1984. Kinetics of leaf growth in Lolium temulentum at optimal and chilling temperatures. Annals of Botany 53: 341–347

C J Pollock, E J Lloyd, H Thomas, J L Stoddart. 1984. Changes in photosynthetic capacity during prolonged growth of Lolium temulentum at low temperature. Photosynthetica 18: 478–481

H Thomas. 1984. Cell senescence and protein metabolism in the photosynthetic tissues of leaves. In: Cell Ageing and Cell Death (eds I Davies, D C Sigee) pp 171 188. Cambridge: University Press

H Thomas. 1983. Proteolysis in senescing leaves. British Plant Growth Regulator Group Monograph 9: 45 59

C J Pollock, E J Lloyd, J L Stoddart, H Thomas. 1983. Growth, photosynthesis and assimilate partitioning in Lolium temulentum exposed to chilling temperatures. Physiologia Plantarum 59: 257–262

H Thomas. 1983. Leaf senescence in a non yellowing mutant of Festuca pratensis. IV. Senescence in the light. Photosynthetica 17: 506–514

H Thomas. 1983. Analysis of the response of leaf extension to chilling temperatures in Lolium temulentum seedlings. Physiologia Plantarum 57: 509–513

H Thomas. 1983. Analysis of the nitrogen response of leaf extension in Lolium temulentum seedlings. Annals of Botany 51: 363–371

J L Stoddart, H Thomas. 1982. Leaf senescence. Encyclopedia of Plant Physiology (New Series) 14A: 592–636

J L Harwood, A V H M Jones, H Thomas. 1982. Leaf senescence in a non yellowing mutant of Festuca pratensis. III. Total acyl lipids of leaf tissue during senescence. Planta 156: 152–157

H Thomas. 1982. Leaf senescence in a non yellowing mutant of Festuca pratensis. II. Proteolytic degradation of thylakoid and stroma polypeptides. Planta 154: 219–223

H Thomas. 1982. Leaf senescence in a non yellowing mutant of Festuca pratensis. I. Chloroplast membrane polypeptides. Planta 154: 212–218

H Thomas. 1982. A procedure for resolving overlapping curves suitable for use with a microcomputer. Analytical Biochemistry 120: 101–105

H Thomas, R C Huffaker. 1981. Hydrolysis of radioactively labelled ribulose 1,5 bisphosphate carboxylase by an endopeptidase from the primary leaf of barley seedlings. Plant Science Letters 20: 251–262

H Thomas, J L Stoddart. 1980. Leaf senescence. Annual Review of Plant Physiology 31: 83–111

H Thomas, J L Stoddart, J F Potter. 1980. Temperature responses of membrane associated activities from spring and winter oats. Plant Cell and Environment 3: 271–277

J A Pearson, K Thomas, H Thomas. 1978. Nucleic acids from leaves of a yellowing and a non yellowing variety of Festuca pratensis. Planta 144: 85–87

H Thomas. 1978. Enzymes of nitrogen mobilization in detached leaves of Lolium temulentum during senescence. Planta 142: 161–169

H Thomas, M J Bingham. 1977. Isoenzymes of naphthyl acetate esterase in senescing leaves of Festuca pratensis. Phytochemistry 16: 1887–1889

H Thomas, J L Stoddart. 1977. Biochemistry of leaf senescence in grasses. Annals of Applied Biology 85: 461 463

H Thomas. 1977. Ultrastructure, polypeptide composition and photochemical activity of chloroplasts during foliar senescence of a non yellowing mutant genotype of Festuca pratensis. Planta 137: 53–60

H Thomas. 1976. The structure of nucleic acids and proteins and their function in subcellular assembly. In: Plant Structure, Function and Adaptation (ed M A Hall) pp 1 48. London: MacMillan

H Thomas. 1976. Delayed senescence in leaves treated with the protein synthesis inhibitor MDMP. Plant Science Letters 6: 369–377

H Thomas, J L Stoddart. 1975. Separation of chlorophyll degradation from other senescence processes in leaves of a mutant genotype of meadow fescue (Festuca pratensis). Plant Physiology 56: 438–441

H Thomas. 1975. Regulation of alanine aminotransferase in leaves of Lolium temulentum during senescence. Zeitschrift fur Pflanzenphysiologie 74: 208–212

H Thomas, J L Stoddart. 1974. Subcellular distribution of alanine aminotransferase in leaves of Lolium temulentum. Phytochemistry 13: 1053–1058

J L Stoddart, H Thomas, A Robertson. 1973. Protein synthesis patterns in barley embryos during germination. Planta 112: 309–321

H Thomas, D P Webb, P F Wareing. 1973. Seed dormancy in Acer: maturation in relation to dormancy in Acer pseudoplatanus. Journal of Experimental Botany 24: 958–967 [Read/download]

H Thomas. 1973. Gel electrophoresis of ribosomal components from seeds of Pisum sativum. Experimental Cell Research 77: 298–302

H Thomas. 1972. Control mechanisms in the resting seed. In: Viability of Seeds (ed E H Roberts) pp 360 396. London: Chapman and Hall