原核生物中嗜热适应性的获得与丧失
Gaining and losing the thermophilic adaptation in prokaryotes.
作者信息
Puigbò Pere, Pasamontes Alberto, Garcia-Vallve Santiago
机构信息
Evolutionary Genomics Group, Biochemistry and Biotechnology Department, Rovira i Virgili University (URV), 43007 Tarragona, Spain.
出版信息
Trends Genet. 2008 Jan;24(1):10-4. doi: 10.1016/j.tig.2007.10.005. Epub 2007 Dec 3.
PMID:18054113
Abstract
We studied the evolution of thermophily in prokaryotes using the phylogenetic relationships between 279 bacteria and archaea and their thermophilic amino acid composition signature. Our findings suggest several examples in which the capacity of thermophilic adaptation has been gained or lost over relatively short evolutionary periods throughout the evolution of prokaryotes.
摘要
我们利用279种细菌和古菌之间的系统发育关系及其嗜热氨基酸组成特征，研究了原核生物中嗜热性的进化。我们的研究结果表明，在原核生物的整个进化过程中，有几个例子显示嗜热适应能力在相对较短的进化时期内获得或丧失。
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