sp. nov., isolated from lake water.

Int J Syst Evol Microbiol

Weihai Municipal Hospital, Weihai, 264209, PR China.

Published: November 2023

A Gram-stain-positive, aerobic, rod-shaped, endospore-forming and motile, by means of peritrichous flagella, bacterium, designated DT12, was isolated from a lake water sample from Datun Lake of Yunnan Province, PR China. The results of phylogenetic analysis based on 16S rRNA gene sequence and the concatenated alignment of 120 ubiquitous single-copy proteins indicated that the novel strain represented a member of the genus . The sole quinone was menaquinone-7 and the cell-wall peptidoglycan was type-A1γ. The major fatty acids (>10 %) of the novel strain were iso-C and anteiso-C, while the major polar lipids were phosphatidylmonomethylethanolamine, phosphatidylethanolamine and phosphatidylglycerol. The results of phylogenetic analyses combined with phylogenetic, phenotypic and chemotaxonomic features, strongly supported the hypothesis that the strain should be classified as representing a novel species of the genus , for which the name sp. nov. is proposed. The type strain is DT12 (=KCTC 33958= MCCC 1H00320). The genomic analysis revealed that DT12 has various biosynthetic gene clusters for secondary metabolites, and members of the genus may represent a promising source of new natural products. Our study also showed that members of the genus are widely distributed in a variety of habitats throughout the globe, particularly in soils, human-, animal- and plant-associated environments. Members of the genus may have an important role in the growth and health of humans, plants and animals.

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Source
http://dx.doi.org/10.1099/ijsem.0.006153DOI Listing

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