1887

Abstract

A novel Gram-stain-negative, aerobic, non-flagellated, pink-pigmented and rod-shaped strain with gliding motility, designated strain CCMM001, was isolated from a mixed culture of species PCC7002 and a natural bacterial community from a sample of offshore seawater from Qingdao, China, during September 2014. The strain contained bacteriochlorophyll with a small peak at 802 nm and a large absorption band at 870 nm. Strain CCMM001 grew optimally at pH 7.0 and 30 °C in the presence of 3 % (w/v) NaCl. Phylogenetic analysis based on 16S rRNA gene sequences indicated that strain CCMM001 is most closely related to the genus and its type and only species ML6 with 96.9 % sequence similarity. The polar lipids of strain CCMM001 consisted of phosphatidylethanolamine, phosphatidylcholine, one unidentified aminolipid, and five unidentified lipids. The predominant isoprenoid quinone was Q-10. The major fatty acids included Cω7 and Ccyclo 8. The DNA G+C content of strain CCMM001 was 63.5 mol%. These phylogenetic, physiological and chemotaxonomic data indicated that strain CCMM001 represents a novel species of the genus , for which the name sp. nov. is proposed. The type strain is CCMM001 (=MCCC 1K03242=KCTC 52641).

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2018-05-01
2024-03-29
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