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MOLECULAR EVOLUTION ACROSS THE SOLANACEAE: MICRO- AND MACROEVOLUTIONARY PROCESSES LINKED TO DOMESTICATION (SOLUTION)
Date du début: 1 nov. 2012, Date de fin: 31 oct. 2016 PROJET  TERMINÉ 

"The project is related to evolutionary biology and aims to investigate the variation in evolutionary patterns of polymorphism induced by domestication, at the genome scale, using NGS, in 3 horticultural crop species, of the Solanaceae family (tomato, pepper and eggplant) both at (1) the intra specific level and (2) the interspecific level. Surprisingly, few studies have investigated such patterns in nuclear genes in plants. Within Solanaceae these species are of both economical and scientific interest and have undergone different domestication history. We are targeting the transcriptome of domestic and wild accessions in each species while using (1) methodological approaches in evolutionary biology to reveal genes under positive or stabilizing selection to compare evolutionary history and (2) use the latest statistical developments to investigate domestication scenarios. To explore the potential contribution of evolutionary parameters to the total variance in evolutionary rate among genes, factors such as GC content will be analyzed. The project will be one of the first projects investigating molecular signatures of evolutionary changes at the genome scale induced by domestication in three major horticultural crops. It will allow the release of a large amount of data produced using NGS and associated statistics. This CIG will benefit to my career by offering the opportunity to accumulate valuable research experience in the emerging field of large-scale comparative evolutionary genomics. The host organisation, UR GAFL INRA benefits from a rare combination of scientific experience, research facilities, leadership in the field of genomics in plants, and large collections of varieties of these crops. The project will offer me (1) a unique combination of conditions to pursue a first plan scientific research career and (2) an international visibility in evolutionary biology to create a network of scientific partners leading to news collaborations."

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