The Trend of Amino-Acid Gain is Consistent with a Doublet Code

被引：0
作者：
Finkel, Raphael [1 ]
Kohler, Heinz [2 ]
机构：
[1] Univ Kentucky, Dept Comp Sci, Lexington, KY 40506 USA
[2] Univ Kentucky, Dept Microbiol & Immunol, Lexington, KY 40506 USA
来源：
CURRENT PROTEOMICS | 2010年 / 7卷 / 03期
关键词：
Evolution; genetic code; binary code; code capture; triplet; codons; aminoacids; EVOLUTION;
D O I：
暂无
中图分类号：
Q5 [生物化学];
学科分类号：
071010 ; 081704 ;
摘要：
The present-day genetic code, while universal, is not the result of a "frozen accident", but has evolved over time. Analysis of amino-acid frequency has recently identified amino acids that were recruited early and late into the genetic code. We use this observation to lend support to a hypothesis that the current quaternary triplet genetic code comes from an earlier quaternary doublet code, and before that from a binary singlet code.
引用
收藏
页码：209 / 211
页数：3
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