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Origin of the 16S Ribosomal Molecule from Ancestor tRNAs

1
Laboratório de Genética Evolutiva Paulo Leminsk, Departamento de Biologia Molecular, Universidade Federal da Paraíba, 58051-900, João Pessoa, Brazil
2
Departamento de Filosofia, Universidade Federal de Santa Catarina, 88040-900, Florianopolis, SC, Brazil
3
Departamento de Informática, Universidade Federal da Paraíba, 58051-900, João Pessoa, Brazil
4
Theoretical Biology Group, Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México, México, D.F. C.P. 04510, Mexico
*
Author to whom correspondence should be addressed.
Received: 23 January 2019 / Accepted: 28 January 2019 / Published: 13 February 2019
(This article belongs to the Special Issue Molecules to Microbes)
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Published: 13 February 2019
DOI: 10.3390/sci1010008.v1
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Abstract

We tested the hypothesis that concatemers of ancestral tRNAs gave rise to the 16S ribosomal RNA. We built an ancestral sequence of proto-tRNAs that showed a significant identity of 51.69% and a percentage of structural identity of 0.941 with the 16S ribosomal molecule. We also propose a hypothesis for the emergence of translation.
Keywords: 16S rRNA; proto-tRNAs; evolution; translation system; origins 16S rRNA; proto-tRNAs; evolution; translation system; origins
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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de Farias, S.T.; Rêgo, T.G.; José, M.V. Origin of the 16S Ribosomal Molecule from Ancestor tRNAs. Sci 2019, 1, 8.

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