1887

Abstract

A Gram-stain-negative, yellow-pigmented, ovoid to rod-shaped, strictly aerobic bacterial strain, designated 100921-2, was isolated from air at the foot of Xiangshan Mountain. Phylogenetic and phenotypic analysis of the organism revealed that the isolate belongs to the genus . Strain 100921-2 showed high 16S rRNA gene sequence similarity (96.01–94.70 %) to other type strains of the genus , with the highest similarity to MSW-14. Growth of strain 100921-2 was observed at 4–50 °C (optimum, 30 °C), at pH 4.5–10.0 (optimum, pH 7.0) and at salinities of 0–10 % (w/v) NaCl (optimum 0–0.5 %). The major fatty acids were C 7 (27.8 %), C 6 (23.1 %), 11-methyl C 7(11.9 %), summed feature 3 (9.1 %) and C 2-OH (7.9 %). The predominant respiratory quinone was ubiquinone-10 (Q-10). Polar lipid analysis indicated the presence of diphosphatidylglycerol, sphingoglycolipid, phosphatidylethanolamine, phosphatidylglycerol, phosphatidylcholine, two unknown phospholipids, five unknown polar lipids and two unknown glycolipids. The DNA G+C content of the type strain was 67.5 mol%. On the basis of the data from the polyphasic characterization, strain 100921-2 represents a novel species, for which the name sp. nov. is proposed. The type strain is 100921-2 (=CFCC 14287=KCTC 42844).

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2016-11-01
2024-04-19
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