Estimation of Preferential Pairing Rates in Second-Generation Autotetraploid Pacific Oysters (Crassostrea gigas) | Zendy

Jason P. Curole | Zendy; Dennis Hedgecock | Zendy

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Estimation of Preferential Pairing Rates in Second-Generation Autotetraploid Pacific Oysters (Crassostrea gigas)

Author(s) -

Jason P. Curole,

Dennis Hedgecock

Publication year - 2005

Publication title -

genetics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.792

H-Index - 246

eISSN - 1943-2631

pISSN - 0016-6731

DOI - 10.1534/genetics.105.043042

Subject(s) - biology , crassostrea , pairing , meiosis , pacific oyster , ostreidae , evolutionary biology , genetics , chromosome pairing , oyster , zoology , gene , ecology , fishery , shellfish , aquatic animal , fish <actinopterygii> , physics , superconductivity , quantum mechanics

Although previously disregarded, polyploidy, and in particular autopolyploidy, is now believed to have played a prominent role in the evolution of plants and animals. We estimated the rate of preferential pairing in second-generation autotetraploid Pacific oysters from gametic frequencies. We found significant levels of preferential pairing in these recently generated autopolyploids, suggesting that genetic variation in standing populations may play a role in meiotic mechanisms of polyploids derived from these populations.

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