Was there a universal tRNA before specialized tRNAs came into existence?

Details Was there a universal tRNA before specialized tRNAs came into existence? Was there a universal tRNA before specialized tRNAs came into existence?

May 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990oleb...20..303l&link_type=abstract

Origins of Life and Evolution of the Biosphere, Volume 20, Issue 3-4, pp. 303-308

Computer Science

Scientific paper

It is generally true that evolving systems begin simply and become more complex in the evolutionary process. For those who try to understand the origin of a biochemical system, what is required is the development of an idea as to what simpler system preceeded the present one. Here we present an hypotheis that a universal tRNA molecule, capable of reading many codons may have preceeded the appearance of individual tRNAs. Evidence seems to suggest that this molecule may have been derived from a common ancestor of the contemporary 5S rRNAs and tRNAs.

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