Gluconacetobacter medellinensis sp. nov., cellulose- and non-cellulose-producing acetic acid bacteria isolated from vinegar

Cristina Castro, Ilse Cleenwerck, Janja Trček, Robin Zuluaga, Paul de Vos, Gloria Caro, Ricardo Aguirre, Jean Luc Putaux, Piedad Gañán

Resultado de la investigación: Contribución a una revistaArtículorevisión exhaustiva

71 Citas (Scopus)

Resumen

The phylogenetic position of a cellulose-producing acetic acid bacterium, strain ID13488, isolated from 16S rRNA gene sequences, nearly complete 16S-23S rRNA gene internal transcribed spacer (ITS) sequences, as well as concatenated partial sequences of the housekeeping genes dnaK, groEL and rpoB, allocated the micro-organism to the genus Gluconacetobacter, and more precisely to the Gluconacetobacter xylinus group. Moreover, the data suggested that the micro-organism belongs to a novel species in this genus, together with LMG 1693 T, a non-cellulose-producing strain isolated from vinegar by Kondo and previously classified as a strain of Gluconacetobacter xylinus. DNA-DNA hybridizations confirmed this finding, revealing a DNA-DNA relatedness value of 81 % between strains ID13488 and LMG 1693 T, and values <70 % between strain LMG 1693 T and the type strains of the closest phylogenetic neighbours. Additionally, the classification of strains ID13488 and LMG 1693 T into a single novel species was supported by amplified fragment length polymorphism (AFLP) and (GTG)5-PCR DNA fingerprinting data, as well as by phenotypic data. Strains ID13488 and LMG 1693 T could be differentiated from closely related species of the genus Gluconacetobacter by their ability to produce 2- and 5-keto-D-gluconic acid from D-glucose, their ability to produce acid from sucrose, but not from 1-propanol, and their ability to grow on 3 % ethanol in the absence of acetic acid and on ethanol, D-ribose, D-xylose, sucrose, sorbitol, D-mannitol and D-gluconate as carbon sources. The DNA G+C content of strains ID13488 and LMG 1693 T was 58.0 and 60.7 mol%, respectively. The major ubiquinone of LMG 1693 T was Q-10. Taken together these data indicate that strains ID13488 and LMG 1693 T represent a novel species of the genus Gluconacetobacter for which the name Gluconacetobacter medellinensis sp. nov. is proposed. The type strain is LMG 1693 T (= NBRC 3288T = Kondo 51 T).

Idioma originalInglés
Páginas (desde-hasta)1119-1125
Número de páginas7
PublicaciónInternational Journal of Systematic and Evolutionary Microbiology
Volumen63
N.ºPART3
DOI
EstadoPublicada - 2013
Publicado de forma externa

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