[The picture is a detail from Gregor Mendel counting green and yellow peas in the Augustinian Abbey at Brno, painted in the early renaissance style by my friend and long-time colleague Phibus Matile]

Copies of many of the papers listed are available as pdf downloads.  Click on the index number if it's underlined.

Click on the button for papers 

133. LAJ Mur, S Aubry, M Mondhe, A Kingston-Smith, J Gallagher, E Timms-Taravella, C James, I Papp, S Hörtensteiner, H Thomas, H Ougham. 2009. Chlorophyll catabolites contribute to the light-sensitivity of the hypersensitive response elicited by Pseudomonas syringae in Arabidopsis. New Phytologist (under review)

132. 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

131. 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).

130. H Thomas, J Archer, R Marggraf Turley. 2009. Evolution, physiology and phytochemistry of the psychotoxic arable mimic weed darnel (Lolium temulentum L). Progress in Botany (in press)

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

128. H Thomas. 2009. Leaf senescence and autumn leaf coloration. McGraw Hill 2010 Yearbook of Science and Technology (in press)

127. RN Jones, H Thomas. 2009. Genome restructuring in hybrids – a marriage of inconvenience. In: Genetics and genomics in crop plant improvement: from a model plant to a new cultivar. Poznan: Polish Academy of Sciences (in press)

126. H Thomas, H Ougham, LAJ Mur, S Jansson. 2009. Senescence and programmed cell death. In: Biochemistry and Molecular Biology of Plants. 2nd edition (eds B Buchanan, W Gruissem, R Jones). NY: Wiley (in press)

125. 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)

124. M Archetti, TF Döring, SB Hagen, NM Hughes, SR Leather, DW Lee, S Lev-Yadun, Y Manetas, HJ Ougham, PG Schaberg, H Thomas. 2009. Unravelling the evolution of autumn colours - an interdisciplinary approach. Trends in Ecology and Evolution 24: 166-173

123. H Thomas, C Wyn Jones. 2009. Recapitulation, heterochrony and the war on the chord in jazz. In: Music and Evolutionary Thought (eds I Cross, B Zon). Cambridge University Press (in press)

122. H Ougham, H Thomas, Archetti M. 2008. Origin and evolution of autumn colours. New Phytologist 179: 9-13

121. 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

120. 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

119. S Jansson, H Thomas. 2008. Senescence: developmental program or timetable? New Phytologist 179: 575–579

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

117. 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

116. 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/)

115. 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

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

113. 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

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

111. 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

110. 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

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

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

107. 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

106. 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

105. 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

104. 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

103. 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

102. H Thomas. 2003. Do green plants age and if so how? Topics in Current Genetics 3: 145-171

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

100. 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

099. 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

098. H Thomas. 2002. Ageing in plants. Mechanisms of Ageing and Development 123: 747-753

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

096. 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

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

094. 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

093. H Thomas, H M Thomas, H Ougham. 2000. Annuality, perenniality and cell death. Journal of Experimental Botany 51: 1-8

092. 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

091. 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

090. 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

089. 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

088. H Thomas, C J Howarth. 2000. Five ways to stay green. Journal of Experimental Botany 51: 329-337

087. 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

086. 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

085. 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

084. 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

083. 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

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

081. H Thomas. 1998. Air today - gone tomorrow. New Phytologist 139: 225-229

080. 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

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

078. 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

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

076. 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

075. 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

074. H Thomas. 1997. Chlorophyll: a symptom and a regulator of plastid development. New Phytologist 136: 163-181

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

072. 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

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

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

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

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

067. 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

066. 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

065. 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

064. 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

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

062. H Thomas, C M Smart. 1993. Crops that stay green. Annals of Applied Biology 123: 193-219

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

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

059. 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

058. 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

057. 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

056. 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

055. 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

054. 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

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

052. 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

051. 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

050. 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

049. 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

048. 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

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

046. 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

045. 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

044. 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

043. 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

042. 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

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

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

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

038. 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

037. 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

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

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

034. 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

033. 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

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

031. 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

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

029. 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

028. 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

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

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

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

024. 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

023. 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

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

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

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

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

018. 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

017. 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

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

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

014. 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

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

012. 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

011. 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

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

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

008. 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

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

006. 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

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

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

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

002. 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

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

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