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Abstract

Strain 15-4, a Gram-stain-negative, rod-shaped, non-motile bacterial strain that produced flexirubin-type pigments, was isolated from Tibet Province, China, and characterized by using a polyphasic taxonomic approach. Phylogenetic analysis based on 16S rRNA gene sequences indicated that the isolate belonged to the family , phylum ‘’, and was related to members of the genus , with sequence similarities ranging from 94.1 to 96.4 %. Strain 15-4 contained MK-7 as the predominant menaquinone and its DNA GC content was 46.9 mol%. The major fatty acids of strain 15-4 were iso-C (41.3 %), iso-C G (14.9 %), iso-C 3-OH (13.2 %) and summed feature 3 (comprising Cω7 and/or iso-C 2-OH, 16.0 %). These chemotaxonomic data supported the affiliation of strain 15-4 to the genus . However, a number of physiological and biochemical features enabled the isolate to be differentiated phenotypically from recognized speciesof the genus . On the basis of the evidence presented, it is proposed that strain 15-4 represents a novel species, sp. nov.; the type strain is 15-4 ( = CCTCC AB 209167 = NRRL B-59394). On the basis of these data, an emended description of the genus is also proposed.

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2011-05-01
2019-12-15
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