Review
doi: 10.1038/nrg2600.
Epub 2009 Aug 4.
The evolutionary significance of ancient genome duplications
Affiliations
- PMID: 19652647
- DOI: 10.1038/nrg2600
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Review
The evolutionary significance of ancient genome duplications
Nat Rev Genet.
2009 Oct.
Abstract
Many organisms are currently polyploid, or have a polyploid ancestry and now have secondarily 'diploidized' genomes. This finding is surprising because retained whole-genome duplications (WGDs) are exceedingly rare, suggesting that polyploidy is usually an evolutionary dead end. We argue that ancient genome doublings could probably have survived only under very specific conditions, but that, whenever established, they might have had a pronounced impact on species diversification, and led to an increase in biological complexity and the origin of evolutionary novelties.
Comment in
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2R or not 2R is not the question anymore.Nat Rev Genet. 2010 Feb;11(2):166. doi: 10.1038/nrg2600-c2. Epub 2010 Jan 6. Nat Rev Genet. 2010. PMID: 20051987 No abstract available.
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Piecemeal or big bangs: correlating the vertebrate evolution with proposed models of gene expansion events.Nat Rev Genet. 2010 Feb;11(2):166. doi: 10.1038/nrg2600-c1. Epub 2010 Jan 6. Nat Rev Genet. 2010. PMID: 20051988 No abstract available.
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