Genomic comparison between members of the Salinibacteraceae family, and 
description of a new species of Salinibacter (Salinibacter altiplanensis sp 
nov.) isolated from high altitude hypersaline environments of the Argentinian 
Altiplano

Viver, Tomeu; Orellana, Luis; Gonzalez-Torres, Pedro; Diaz, Sara; Urdiain, Mercedes; Eugenia Farias, Maria; Benes, Vladimir; Kaempfer, Peter; Shahinpei, Azadeh; Amoozegar, Mohammad Ali; Amann, Rudolf I.; Anton, Josefa; Konstantinidis, Konstantinos T.; Rossello-Mora, Ramon

doi:10.1016/j.syapm.2017.12.004

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Genomic comparison between members of the Salinibacteraceae family, and description of a new species of Salinibacter (Salinibacter altiplanensis sp nov.) isolated from high altitude hypersaline environments of the Argentinian Altiplano

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Amann, Rudolf I.
Department of Molecular Ecology, Max Planck Institute for Marine Microbiology, Max Planck Society;

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Citation

Viver, T., Orellana, L., Gonzalez-Torres, P., Diaz, S., Urdiain, M., Eugenia Farias, M., et al. (2018). Genomic comparison between members of the Salinibacteraceae family, and description of a new species of Salinibacter (Salinibacter altiplanensis sp nov.) isolated from high altitude hypersaline environments of the Argentinian Altiplano. SYSTEMATIC AND APPLIED MICROBIOLOGY, 41(3), 198-212. doi:10.1016/j.syapm.2017.12.004.

Cite as: https://hdl.handle.net/21.11116/0000-0003-B8DA-8

Abstract

The application of tandem MALDI-TOF MS screening with 16S rRNA gene sequencing of selected isolates has been demonstrated to be an excellent approach for retrieving novelty from large-scale culturing. The application of such methodologies in different hypersaline samples allowed the isolation of the culture-recalcitrant Salinibacter ruber second phylotype (EHB-2) for the first time, as well as a new species recently isolated from the Argentinian Altiplano hypersaline lakes. In this study, the genome sequences of the different species of the phylum Rhodothermaeota were compared and the genetic repertoire along the evolutionary gradient was analyzed together with each intraspecific variability. Altogether, the results indicated an open pan-genome for the family Salinibacteraceae, as well as the codification of relevant traits such as diverse rhodopsin genes, CRISPR-Cas systems and spacers, and one T6SS secretion system that could give ecological advantages to an EHB-2 isolate. For the new Salinibacter species, we propose the name Salinibacter altiplanensis sp. nov. (the designated type strain is AN15(T) = CECT 9105(T) = IBRC-M 11031(T)). (C) 2018 Elsevier GmbH. All rights reserved.