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. 1991;21(4):251-4.
doi: 10.1007/BF01809860.

New insights on the comma-less theory

E Merino  1 , P Balbás, F Bolivar
Affiliations

New insights on the comma-less theory

E Merino et al. Orig Life Evol Biosph. 1991.

Abstract

The comma-less hypothesis represents a theoretical effort to describe one of the steps in the early evolution of the translation apparatus. This hypothesis emphasizes the advantages that a RNY coding pattern would have provided in a primitive RNA adaptor-catalyst system. This theory has been debated for years, both in conceptual and statistical terms, and no consensus about its validity has been ascertained. In this work, a statistical model refuting this theory was reconsidered. This new approach eliminates the bias due to the absence of stop codons in the open reading frame, and to the amino acid composition of bacterial genes. The results obtained support the biological significance of the RNY coding pattern.

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