Comparative population genetics of the immunity gene, Relish: is adaptive evolution idiosyncratic?
Comparative population genetics of the immunity gene, Relish: is adaptive evolution idiosyncratic?
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免疫基因的比较种群遗传学,柔和:适应性进化的特质是吗?
DOI:
10.1371/journal.pone.0000442
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发表时间:
2007-05-16
期刊:
影响因子:
3.7
通讯作者:
Begun, David J.
中科院分区:
文献类型:
--
作者:
Levine, Mia T.;Begun, David J.
The frequency of adaptive evolution acting on common loci in distant lineages remains an outstanding question in evolutionary biology. We asked whether the immunity factor, Relish, a gene with a history of directional selection in Drosophila simulans, shows evidence of a similar selective history in other Drosophila species. We found only weak evidence of recurrent adaptive protein evolution at the Relish locus in three sister species pairs, suggesting that this key component of the insect immune system has an idiosyncratic evolutionary history in Drosophila.
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