Ms Ann Thomas

Ms Ann Thomas

Research Scientist

Contact Details



Gasior, D., Harper, J., Thomas, A., Evans, C., Armstead, I., Humphreys, M. 2016. Changes in freezing tolerance and photosystem II acclimation mechanisms within a Lolium perenne x Festuca pratensis substitution series. In M. Höglind., A. K. Bakken., K. A. Hovstad., E. Kallioniemi., H. Riley., H. Steinshamnm., L. Østrem. (eds) The multiple roles of grassland in the European bioeconomy: Proceedings of the 26th General Meeting of the European Grassland Federation. Proceedings of the 26th General Meeting of the European Grassland Federation. Norwegian Institute of Bioeconomy Research, Norway pp. 835-837. Cadair


King, J., Armstead, I.P., Harper, J.A., Ramsay, L., Snape, J., Waugh, R., James, C.L., Thomas, A.M., Gasior, D., Kelly, R.O., Roberts, L.A., Gustafson, P., King, I. 2013. Exploitation of interspecific diversity for monocot crop improvement. Heredity 110 pp. 475–483. 10.1038/hdy.2012.116 Cadair

King, J., Thomas, A., James, C., King, I., Armstead, I. 2013. A DArT marker genetic map of perennial ryegrass (Lolium perenne L.) integrated with detailed comparative mapping information; comparison with existing DArT marker genetic maps of Lolium perenne, L. multiflorum and Festuca pratensis. BMC Genomics 14 10.1186/1471-2164-14-437 Cadair


Farrar, K., Bryant, D.N., Turner, L.B., Gallagher, J.A., Thomas, A.M., Farrell, M.S., Humphreys, M.O., Donnison, I.S. 2012. Breeding for Bio-ethanol Production in Lolium perenne L.: Association of Allelic Variation with High Water-Soluble Carbohydrate Content. Bioenergy Research 5 (1) pp. 149-157. 10.1007/s12155-011-9156-0 Cadair

Swain, S., Thomas, A., Kudrna, D., Huang, L., Byrne, S., Asp, T., King, I., King, J., Armstead, I. 2012. The Development of a BAC-fingerprint FPC map for Lolium perenne . Plant and Animal Genome XX Conference. Other


Harper, J., Armstead, I., Thomas, A., James, C., Gasior, D., Bisaga, M., Roberts, L., King, I., King, J. 2011. Alien introgression in the grasses Lolium perenne (perennial ryegrass) and Festuca pratensis (meadow fescue): the development of seven monosomic substitution lines and their molecular and cytological characterization. Annals of Botany 107 (8) pp. 1313-1321. 10.1093/aob/mcr083 Cadair

Skøt, L., Sanderson, R., Thomas, A.M., Skøt, K.P., Thorogood, D., Latypova, G.A., Asp, T., Armstead, I.P. 2011. Allelic variation in the perennial ryegrass FLOWERING LOCUS T gene is associated with changes in flowering time across a range of populations. Plant Physiology 155 (2) pp. 1013-1022. 10.1104/pp.110.169870 Cadair


Thomas, A., Panara, F., Pupilli, F., Polegri, L., Calderini, O., Donnison, I.S., Arcioni, S. 2010. Partial isolation of the genomic region linked with apomixis in Paspalum simplex. Molecular Breeding 28 (2) pp. 265-276. 10.1007/s11032-010-9480-7 Cadair


Winters, A.L., Heywood, S., Farrar, K., Donnison, I.S., Thomas, A.M., Webb, K.J. 2009. Identification of an extensive gene cluster among a family of PPOs in Trifolium pratense L. (red clover) using a large insert BAC library. BMC Plant Biology 9 94 10.1186/1471-2229-9-94 Cadair Other

Langdon, T., Thomas, A., Huang, L., Farrar, K., King, J., Armstead, I. 2009. Fragments of the key flowering gene GIGANTEA are associated with helitron-type sequences in the Pooideae grass Lolium perenne. BMC Plant Biology 9 70 10.1186/1471-2229-9-70 Cadair Other

Armstead, I.P., Thomas, A. 2009. GIGANTEA (GI) gene and helitron-associated and non-associated GI pseudogene sequences from Lolium perenne and Festuca pratensis. Cadair

Farrar, K., Thomas, A.M., Gallagher, J.A., Turner, L.B., Armstead, I.P., Humphreys, M.W., Donnison, I.S. 2009. Identification of SNP markers for molecular breeding in Lolium perenne and other energy grasses. Plant and Animal Genome XVII Conference. Other Cadair

Harper, J.A., Gasior, D., Roberts, L.A., Thomas, A.M., James, C.L., King, J., King, I.P., Armstead, I.P. 2009. Can the weed grass species Lolium temulentum be a useful tool in allowing us to investigate basic fundamental traits within the grasses? 2009 Plant Science Wales. Cadair

King, J., Armstead, I.P., Harper, J.A., James, C.L., Roberts, L.A., Gasior, D., Kelly, R.O., Huang, L.S., Thomas, A.M., Skot, K., King, I.P. 2009. Progress in introgression mapping in the pooideae. Plant and Animal Genome XVII Conference. Other Cadair


Donnison, I., Gay, A., Thomas, H., Edwards, K.J., Edwards, D., Evans, C., Thomas, A., Ougham, H. 2007. 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 Cadair

Armstead, I.P., Donnison, I.S., Aubry, S., Harper, J.A., Hörtensteiner, S., James, C.L., Mani, J., Moffet, M., Ougham, H.J., Roberts, L.A., Thomas, A.M., Weeden, N., Thomas, S., King, I.P. 2007. Cross-species identification of Mendel's/locus. Science 315 (5808) pp. 73. 10.1126/science.1132912 Other Cadair

Lubberstedt, T., Thomas, A.M., Humphreys, M.O., Donnison, I.S., Asp, T., Farrar, K., Xu, M., Christiansen, C. 2007. Construction of two Lolium perenne BAC libraries and identification of BACs containing candidate genes for disease resistance and forage quality. Molecular Breeding pp. 15-23. 10.1007/s11032-006-9036-z Cadair

Farrar, K., Thomas, A.M., Gallagher, J.A., Armstead, I., Turner, L., Humphreys, M.O., Donnison, I. 2007. Identification of SNps for molecular breeding in Lolium perenne. Plant and Animal Genome XV Conference. Cadair


Farrar, K., Thomas, A., Armstead, I., Turner, L., Humphreys, M.O., Donnison, I.S. 2006. Identification of SNPs for molecular breeding in Lolium perenne. Plant Genomics European Meeting. Cadair

Armstead, I.P., Donnison, I.S., Aubry, S., Harper, J.A., Hortensteiner, S., James, C.L., Mani, J., Moffet, M., Ougham, H.J., Roberts, L.A., Thomas, A.M., Weeden, N., Thomas, S., King, I.P. 2006. 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 Cadair

Donnison, I.S., King, I.P., Wolny, E., Jenkins, G.M., Marasek, A., Armstead, I.P., Hasterok, R., Idziak, D., Draper, J.H., Thomas, A.M. 2006. Alignment of the genomes of brachypodium distachyon and temperate cereals and grasses using bacterial artificial chromosome landing with fluorescence in situ hybridization. Genetics 173 (1) pp. 349-362. 10.1534/genetics.105.049726 Other Cadair


Thomas, A.M., Thomas, H., Armstead, I.P., King, I.P., Harper, J.A., Moore, B.J., Huang, L.S., Fentem, P.A., Ougham, H.J., Jones, R.N., Jones, T.A.H., Roberts, L.A., King, J., Donnison, I.S. 2005. Molecular tagging of a senescence gene by introgression mapping of a stay-green mutation from Festuca pratensis. New Phytologist 165 (3) pp. 801-806. 10.1111/j.1469-8137.2004.01269.x Other Cadair

Donnison, I.S., O'Sullivan, D.M., Thomas, A., Canter, P., Moore, B., Armstead, I., Thomas, H., Edwards, K.J., King, I.P. 2005. Construction of a Festuca pratensis BAC library for map-based cloning in IFestulolium substitution lines. Theoretical and Applied Genetics 110 (5) pp. 846-851. 10.1007/s00122-004-1870-y Other Cadair

Farrar, K., Humphreys, M.O., Thomas, A.M., Donnison, I.S.Humphreys, M.O. 2005. Construction and exploitation of a bacterial artificial chromosome (BAC) library for Lolium perenne (perennial ryegrass). Cadair

King, I.P., King, J., Armstead, I.P., Harper, J.A., Roberts, L.A., Thomas, H., Ougham, H.J., Jones, R.N., Thomas, A.M., Moore, B.J.Humphreys, M.O. 2005. 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. Cadair


Robson, P.R.H., Donnison, I.S., Wang, K., Frame, B., Pegg, S.E., Thomas, A.M., Thomas, H. 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 Cadair


Armstrong, G.A., Frick, G.A., Thomas, A.M., Thomas, B.J., Ougham, H.J. 2001. Both light-dependent protochlorophyllide oxidoreductase A and protochlorophyllide oxidoreductase B are down-regulated in the slender mutant of barley. Journal of Experimental Botany 52 (360) pp. 1447-1454. 10.1093/jexbot/52.360.1447 Cadair