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Artículo

Mesorhizobium sanjuanii sp. Nov., isolated from nodules of lotus tenuis in the saline-alkaline lowlands of Flooding Pampa, Argentina

Sannazzaro, Analía InésIcon ; Torres Tejerizo, Gonzalo ArturoIcon ; Fontana, María FlorenciaIcon ; Cumpa Velázquez, Liz; Hansen, Lars H.; Pistorio, MarianoIcon ; Estrella, Maria Julia
Fecha de publicación: 09/2018
Editorial: Society for General Microbiology
Revista: International Journal of Systematic and Evolutionary Microbiology
ISSN: 1466-5026
Idioma: Inglés
Tipo de recurso: Artículo publicado
Clasificación temática:
Bioquímica y Biología Molecular

Resumen

Two rhizobial strains, BSA136T and BSA150, related to the genus Mesorhizobium were isolated from root nodules of Lotus tenuis grown in saline-alkaline lowlands soil from Argentina. These strains showed different repetitive element palindromic PCR fingerprinting patterns but shared more than 99 % sequence similarity for both 16S rRNA and recA genes. Despite the symbiotic nodC gene sequences of our strains being related to the canonical Lotus biovar species comprising Mesorhizobium loti and Mesorhizobium japonicum, the 16S rRNA phylogenetic marker suggests that their taxonomical identities are closely related to Mesorhizobium helmanticense, Mesorhizobium metallidurans, Mesorhizobium thianshanense, Mesorhizobium gobiense and Mesorhizobium tarimense. Multilocus sequence analysis performed with seven housekeeping genes confirmed that BSA136T belongs to a separate clade within the genus Mesorhizobium. The results of comparisons for in silico DNA–DNA hybridization and average nucleotide identity indexes between the genomes of BSA136T and closest-related Mesorhizobium species were below the threshold for species delineation. Phenotypic features differentiated BSA136T from its closestrelated species. On the basis of our results, BSA136T and BSA150 can be considered to represent a novel species of the genus Mesorhizobium, for which the name Mesorhizobium sanjuanii sp. nov. is hereby proposed. The type strain of this species is BSA136T (=CECT 9305T =LMG 30060T ), for which the draft genome sequence is available.
Palabras clave: LOTUS TENUIS , MESORHIZOBIUM , NEW SPECIES
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info:eu-repo/semantics/openAccess Excepto donde se diga explícitamente, este item se publica bajo la siguiente descripción: Creative Commons Attribution-NonCommercial-ShareAlike 2.5 Unported (CC BY-NC-SA 2.5)
Identificadores
URI: http://hdl.handle.net/11336/100257
DOI: http://dx.doi.org/10.1099/ijsem.0.002924
URL: https://www.microbiologyresearch.org/content/journal/ijsem/10.1099/ijsem.0.00292
Colecciones
Articulos(CCT - LA PLATA)
Articulos de CTRO.CIENTIFICO TECNOL.CONICET - LA PLATA
Articulos(IIB-INTECH)
Articulos de INST.DE INVEST.BIOTECNOLOGICAS - INSTITUTO TECNOLOGICO CHASCOMUS
Citación
Sannazzaro, Analía Inés; Torres Tejerizo, Gonzalo Arturo; Fontana, María Florencia; Cumpa Velázquez, Liz; Hansen, Lars H.; et al.; Mesorhizobium sanjuanii sp. Nov., isolated from nodules of lotus tenuis in the saline-alkaline lowlands of Flooding Pampa, Argentina; Society for General Microbiology; International Journal of Systematic and Evolutionary Microbiology; 68; 9; 9-2018; 2936-2942
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