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Proc Biol Sci. 2012 Jul 7;279(1738):2497-509. doi: 10.1098/rspb.2012.0434. Epub 2012 Apr 4.

Polyploidy in fungi: evolution after whole-genome duplication.

Author information

1
CNRS, UMR 0320/UMR 8120 Génétique Végétale, 91190 Gif-sur-Yvette, France. albertin@moulon.inra.fr

Abstract

Polyploidy is a major evolutionary process in eukaryotes-particularly in plants and, to a less extent, in animals, wherein several past and recent whole-genome duplication events have been described. Surprisingly, the incidence of polyploidy in other eukaryote kingdoms, particularly within fungi, remained largely disregarded by the scientific community working on the evolutionary consequences of polyploidy. Recent studies have significantly increased our knowledge of the occurrence and evolutionary significance of fungal polyploidy. The ecological, structural and functional consequences of polyploidy in fungi are reviewed here and compared with the knowledge acquired with conventional plant and animal models. In particular, the genus Saccharomyces emerges as a relevant model for polyploid studies, in addition to plant and animal models.

PMID:
22492065
PMCID:
PMC3350714
DOI:
10.1098/rspb.2012.0434
[Indexed for MEDLINE]
Free PMC Article

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