Genomic plasticity and the diversity of polyploid plants

Genomic plasticity and the diversity of polyploid plants


AR Leitch, IJ Leitch

Science (2008/4/25) 320(5875):481-483

Polyploidy, a change whereby the entire chromosome set is multiplied, arises through mitotic or meiotic misdivisions and frequently involves unreduced gametes and interspecific hybridization. The success of newly formed angiosperm polyploids is partly attributable to their highly plastic genome structure, as manifested by tolerance to changing chromosome numbers (aneuploidy and polyploidy), genome size,(retro) transposable element mobility, insertions, deletions, and epigenome restructuring. The ability to …


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