Rapid chromosome evolution in recently formed polyploids in Tragopogon (Asteraceae)

Rapid chromosome evolution in recently formed polyploids in Tragopogon (Asteraceae)


K Yoong Lim, Douglas E Soltis, Pamela S Soltis, Jennifer Tate, Roman Matyasek, Hana Srubarova, Ales Kovarik, J Chris Pires, Zhiyong Xiong, Andrew R Leitch

PLoS One (2008/10/9) 3(10):e3353

Background Polyploidy, frequently termed ‘whole genome duplication’, is a major force in the evolution of many eukaryotes. Indeed, most angiosperm species have undergone at least one round of polyploidy in their evolutionary history. Despite enormous progress in our understanding of many aspects of polyploidy, we essentially have no information about the role of chromosome divergence in the establishment of young polyploid populations. Here we investigate synthetic lines and natural populations of two recently and recurrently …


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