Elsevier

Journal of Theoretical Biology

Volume 159, Issue 2, 21 November 1992, Pages 199-214
Journal of Theoretical Biology

On the origin of the transfer RNA molecule

https://doi.org/10.1016/S0022-5193(05)80702-7Get rights and content

Data and arguments are given in favour of the hypothesis that the primitive tRNA molecule may have originated from a direct duplication event involving one of the two halves of the tRNA molecule. It seems that a molecule capable of assuming a hairpin structure was involved as a precursor in this duplication. The two halves of the present tRNAs could, therefore, be considered as paralogous.

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