THE PHYLOGENY OF TRANSFER-RNAS SEEMS TO CONFIRM THE PREDICTIONS OF THE COEVOLUTION THEORY OF THE ORIGIN OF THE GENETIC-CODE

被引：30

作者：

DIGIULIO, M

机构：

[1] International Institute of Genetics and Biophysics, CNR, Naples, Napoli, 80125

来源：

ORIGINS OF LIFE AND EVOLUTION OF THE BIOSPHERE | 1995年 / 25卷 / 06期

关键词：

D O I：

10.1007/BF01582024

中图分类号：

Q [生物科学];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

An extensive analysis of the evolutionary relationships existing between transfer RNAs, performed using parsimony algorithms, is presented. After building up an estimate of the tRNA ancestral sequences, these sequences are then compared using certain methods. The results seem to suggest that the coevolution hypothesis (Wong, J.T., 1975, Proc. Natl. Acad. Sci. USA 72, 1909-1912) that sees the genetic code as a map of the biosynthetic relationships between amino acids is further supported by these results, as compared to the hypotheses that see the physicochemical properties of amino acids as the main adaptative theme that led to the structuring of the genetic code.

引用

页码：549 / 564

页数：16

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