Abstract
Two Gram-staining-negative, rod-shaped, non-spore-forming bacterial strains, 1-2(T) and 1-4 were isolated from dry riverbed soil collected from the Xietongmen area of Tibet, China. On the basis of 16S rRNA gene sequence similarity, the novel strains were shown to belong to the genus Pedobacter, sharing <95 % sequence similarity with all recognized species of the genus Pedobacter. The major respiratory quinone was MK-7 and the predominant cellular fatty acids were iso-C15 : 0, iso-C(17 : 0) 3-OH and summed feature 3 (comprising iso-C(16 : 1)omega7c and/or C(16 : 1)omega6c). The DNA G+C contents were 37.2-37.6 mol%. Chemotaxonomic data supported the affiliation of the two new isolates to the genus Pedobacter and the results of physiological and biochemical tests confirmed that the new strains differed significantly from the recognized species of the genus Pedobacter. Therefore, the new isolates represent a novel species within the genus Pedobacter, for which the name Pedobacter glucosidilyticus sp. nov. is proposed. The type strain is 1-2(T) (=CCTCC AB 206110(T)=KCTC 22438(T)).
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