研究领域

Evolutionary genetics and plant reproductive biology.

My research seeks to understand fundamental processes in plant reproduction and evolution using genetics and genomics. Current research is focused on studying the interacting forces of mating system, interspecific hybridization, and polyploidy in the evolution of taxonomically ‘difficult’ genera, in particular Senecio (ragworts, Asteraceae) and Sorbus (whitebeams, rowans and wild service trees, Rosaceae).

近期论文

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Brennan AC, Hiscock SJ, Abbott RJ (2014) Interspecific crossing and genetic mapping reveal intrinsic genomic incompatibility between two Senecio species that form a hybrid zone on Mount Etna, Sicily. Heredity 113: 195-204. Taylor RS, Tarver JE, Hiscock SJ, Donoghue PCJ (2014) Evolutionary history of plant microRNAs. Trends in Plant Sciences. 19: 175–182. Brennan AC, Harris SA, Hiscock SJ (2013) The population genetics of sporophytic self-incompatibility in three hybridizing Senecio (Asteraceae) species with contrasting population histories. Evolution 67: 1347-1367. Chapman MA, Hiscock SJ, Filatov DA (2013) Genomic divergence during speciation driven by adaptation to altitude. Molecular Biology and Evolution 30: 2553-256. Ludwig S, Robertson A, Rich TCG, Djordjevic M, Cerovic R, Houston L, Harris SA, Hiscock SJ (2013) Breeding systems, hybridization and continuing evolution in Avon Gorge Sorbus. Annals of Botany 111: 563-575. Osborne, OG, Batstone TE, Hiscock SJ, Filatov DA (2013) Rapid speciation with gene flow following the formation of Mt Etna. Genome Biology and Evolution 5: 1704-1715 Brennan AC, Barker D, Hiscock SJ, Abbott RJ. (2012) Molecular genetic and quantitative trait divergence associated with recent hybrid speciation: a study of Senecio squalidus (Asteraceae). Heredity 108: 87-95. Allen AM, Thorogood CJ, Hegarty MJ, Lexer C, Hiscock SJ (2011) Pollen-pistil interactions and self-incompatibility in the Asteraceae: new insights from studies of Senecio squalidus L. (Oxford ragwort). Annals of Botany 108: 687-698. Hegarty, MJ, Batstone T, Barker, GLA, Edwards, KJ, Abbott, RJ, Hiscock, SJ. (2011) Non-additive changes to cytosine methylation as a consequence of hybridization and genome duplication in Senecio (Asteraceae) Molecular Ecology 20: 105-113. Allen AM, Lexer C, Hiscock SJ. (2010) Comparative analysis of pistil transcriptomes reveals conserved and novel genes expressed in dry, wet, and semidry stigmas. Plant Physiology 154: 1347-1360.