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Revista argentina de microbiología
versión impresa ISSN 0325-7541versión On-line ISSN 1851-7617
Resumen
DE LEON-MARTINEZ, José A; YANEZ-OCAMPO, Gustavo y WONG-VILLARREAL, Arnoldo. Burkholderia species associated with legumes of Chiapas, Mexico, exhibit stress tolerance and growth in aromatic compounds. Rev. argent. microbiol. [online]. 2017, vol.49, n.4, pp.394-401. ISSN 0325-7541. http://dx.doi.org/10.1016/j.ram.2017.04.009.
Leguminous plants have received special interest for the diversity of β-proteobacteria in their nodules and are promising candidates for biotechnological applications. In this study, 15 bacterial strains were isolated from the nodules of the following legumes: Indigofera thibaudiana, Mimosa diplotricha, Mimosa albida, Mimosa pigra, and Mimosa pudica, collected in 9 areas of Chiapas, Mexico. The strains were grouped into four profiles of genomic fingerprints through BOX-PCR and identified based on their morphology, API 20NE biochemical tests, sequencing of the 16S rRNA, nifH and nodC genes as bacteria of the Burkholderia genus, genetically related to Burkholderia phenoliruptrix, Burkholderia phymatum, Burkholderia sabiae, and Burkholderia tuberum. The Burkholderia strains were grown under stress conditions with 4% NaCl, 45°C, and benzene presence at 0.1% as the sole carbon source. This is the first report on the isolation of these nodulating species of the Burkholderia genus in legumes in Mexico.
Palabras clave : Burkholderia; Mimosa; Benzene; Stress.