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2012-01

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Please use this identifier to cite or link to this item: https://hdl.handle.net/2445/126591

A genomic survey shows that the haloarchaeal type Tyrosyl-tRNA Synthetase is not a synapomorphy of opisthokonts

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https://doi.org/10.1016/j.ejop.2011.10.003

Abstract

The haloarchaeal-type tyrosyl tRNA synthetase (tyrRS) have previously been proposed to be a molecular synapomorphy of the opisthokonts. To re-evaluate this we have performed a taxon-wide genomic survey of tyrRS in eukaryotes and prokaryotes. Our phylogenetic trees group eukaryotes with archaea, with all opisthokonts sharing the haloarchaeal-type tyrRS. However, this type of tyrRS is not exclusive to opisthokonts, since it also encoded by two amoebozoans. Whether this is a consequence of lateral gene transfer or lineage sorting remains unsolved, but in any case haloarchaeal-type tyrRS is not a synapomorphy of opisthokonts. This demonstrates that molecular markers should be re-evaluated once a better taxon sampling becomes available.

Subject

Microorganismes halòfils, Cèl·lules eucariotes

Subject (English)

Halophilic microorganisms, Eukaryotic cells

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Articles publicats en revistes (Genètica, Microbiologia i Estadística)
Publicacions de projectes de recerca finançats per la UE

Citation

SHADWICK, John D.L. and RUIZ TRILLO, Iñaki. A genomic survey shows that the haloarchaeal type Tyrosyl-tRNA Synthetase is not a synapomorphy of opisthokonts. European Journal of Protistology. 2012. Vol. 48, num. 1, pags. 89-93. ISSN 0932-4739. [consulted: 12 of June of 2026]. Available at: https://hdl.handle.net/2445/126591

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