0000000001056230
AUTHOR
Yongbo Liu
Conséquences écologiques et évolutives du flux de gènes entre Brassica napus transgénique et ses apparentés sauvages
In the framework of commercial release for transgenic crops with novel traits, consequences of gene flow and introgression are still one main concern. I explored the ecological and evolutionary consequences of gene flow between oilseed rape (Brassica napus) and its wild relatives, brown mustard (B. juncea) and wild radish (Raphanus raphanistrum), through several experiments carried out in greenhouse, common garden and field in Beijing and Dijon. First, I revised a comprehensive review of the literature about gene flow and its effect on plant fitness in the Brassiceae. Second, I investigated the effects on gene flow of seed size of hybrids between Bt-transgenic oilseed rape and mustard. Smal…
Exploring the Genome of glomeromycotan fungi
Chapitre 1; International audience; All fungi forming a mutualistic symbiosis with plant roots called arbuscular mycorrhiza were formerly grouped together in one order, the Glomales, placed in the Zygomycota (Morton 1993). Based on molecular analyses suggestingthat arbuscular mycorrhizal fungi should be separated from other fungal taxa, they were transferred a decade ago to the Glomeromy-cota , a new phylum created specifically for them (Schu¨ ssler et al. 2001). Whilst members of this monophyletic group originated from the same common ancestor as the Ascomycota and Basidiomycota, they have no obvious affinity to other major extant phylogenetic groups in the kingdom Fungi (James et al. 2006) …