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第二代同源四倍体太平洋牡蛎（太平洋牡蛎）中优先配对率的估计。

Estimation of preferential pairing rates in second-generation autotetraploid pacific oysters (Crassostrea gigas).

作者信息

Curole Jason P, Hedgecock Dennis

机构信息

Department of Marine Environmental Biology, University of Southern California, Los Angeles, 90089, USA.

出版信息

Genetics. 2005 Oct;171(2):855-9. doi: 10.1534/genetics.105.043042. Epub 2005 Jun 18.

DOI:10.1534/genetics.105.043042
PMID:15965239
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC1456796/
Abstract

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.

摘要

尽管此前被忽视，但多倍体，尤其是同源多倍体，现在被认为在动植物进化中发挥了重要作用。我们根据配子频率估计了第二代同源四倍体太平洋牡蛎的优先配对率。我们发现这些最近产生的同源多倍体中存在显著水平的优先配对，这表明现存种群中的遗传变异可能在源自这些种群的多倍体减数分裂机制中发挥作用。

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本文引用的文献

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Chromosome pairing affinity and quadrivalent formation in polyploids: do segmental allopolyploids exist?多倍体中的染色体配对亲和力和四价体形成：是否存在片段异源多倍体？
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