Statistical methods for detecting molecular adaptation.
Statistical methods for detecting molecular adaptation.
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DOI:
10.1016/s0169-5347(00)01994-7
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发表时间:
2000-12-01
影响因子:
16.8
通讯作者:
Bielawski JP
中科院分区:
文献类型:
--
作者:
Yang Z;Bielawski JP
The past few years have seen the development of powerful statistical methods for detecting adaptive molecular evolution. These methods compare synonymous and nonsynonymous substitution rates in protein-coding genes, and regard a nonsynonymous rate elevated above the synonymous rate as evidence for darwinian selection. Numerous cases of molecular adaptation are being identified in various systems from viruses to humans. Although previous analyses averaging rates over sites and time have little power, recent methods designed to detect positive selection at individual sites and lineages have been successful. Here, we summarize recent statistical methods for detecting molecular adaptation, and discuss their limitations and possible improvements.
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