Abstract
The evolutionary relationships between transfer RNA (tRNA) molecules are analyzed by parsimony algorithms. The position of the topologies expected on the basis of the hypotheses made to explain the origin of the genetic code, on the frequency distribution of all the possible tree topologies of the evolutionary relationships between tRNAs seems to lead to the following conclusion: The hypothesis (Wong, J. T., Proc. Natl. Acad. Sci. USA, 1975, 72: 1909-1912) that sees the genetic code as a map of the biosynthetic relationships between amino acids seems to occupy a statistically significant position on these frequency distributions, thus reflecting a significant part of the tRNA phylogeny.
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Schedule a callMore From: Origins of life and evolution of the biosphere : the journal of the International Society for the Study of the Origin of Life
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