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Genotypic and Lipid Analyses of Strains From the Archaeal Genus Halorubrum Reveal Insights Into Their Taxonomy, Divergence, and Population Structure

Opened Access Genotypic and Lipid Analyses of Strains From the Archaeal Genus Halorubrum Reveal Insights Into Their Taxonomy, Divergence, and Population Structure

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Autor: Ruiz de la Haba, Rafael
Corral Villa, Paulina
Sánchez-Porro Álvarez, Cristina
Infante Domínguez, María del Carmen
Ventosa Ucero, Antonio
Departamento: Universidad de Sevilla. Departamento de Microbiología y Parasitología
Fecha: 2018
Publicado en: Frontiers in Microbiology, 9 (512), 1-16.
Tipo de documento: Artículo
Resumen: To gain a better understanding of how divergence occurs, and how taxonomy can benefit from studying natural populations, we isolated and examined 25 closely related Halorubrum strains obtained from different hypersaline communities and compared them to validly named species and other reference strains using five taxonomic study approaches: phylogenetic analysis using the 16S rRNA gene and multilocus sequencing analysis (MLSA), polar lipid profiles (PLP), average nucleotide identity (ANI) and DNA-DNA hybridization (DDH). 16S rRNA gene sequence could not differentiate the newly isolated strains from described species, while MLSA grouped strains into three major clusters. Two of those MLSA clusters distinguished candidates for new species. The third cluster with concatenated sequence identity equal to or greater than 97.5% was comprised of strains from Aran-Bidgol Lake (Iran) and solar salterns in Namibia and Spain, and two previously described species isolated from Mexico and Algeria. P...
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Cita: Ruiz de la Haba, R., Corral Villa, P., Sánchez Porro, C., Infante Domínguez, M.d.C. y Ventosa Ucero, A. (2018). Genotypic and Lipid Analyses of Strains From the Archaeal Genus Halorubrum Reveal Insights Into Their Taxonomy, Divergence, and Population Structure. Frontiers in Microbiology, 9 (512), 1-16.
Tamaño: 2.458Mb
Formato: PDF

URI: https://hdl.handle.net/11441/75202

DOI: 10.3389/fmicb.2018.00512

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