1887

Abstract

In this study, we identified a novel Gram-stain-negative, aerobic, motile, and rod-shaped bacterium, strain KX 20, isolated from the deep seawater in Okinawa Trough, northwestern Pacific Ocean. Phylogenetic analysis based on 16S rRNA gene sequence showed that strain KX 20 was related to members of the genus and shares the highest sequence identities with CECT 8317 (99.4 %) and JCM 12285 (98.5 %). The 16S rRNA gene sequence identities between strain KX 20 and other members of the genus were below 96.6 %. The and genes of strain KX 20 shared 82.0 to 89.3 % sequence identity with the and genes of the closest phylogenetic neighbours of KX 20. The predominant cellular fatty acids of strain KX 20 were summed feature 8 (C 7 and/or C 6) (29.2 %), C (24.5 %), summed feature 3 (C 7 and/or C 6) (21.5 %) and C (8.2 %). The major polar lipids of strain KX 20 were diphosphatidylglycerol, phosphatidylglycerol, phosphatidylethanolamine and unknown phospholipids. The genomic DNA G+C content of strain KX 20 was 62.9 mol%. On the basis of phylogenetic analysis and phenotypic characteristics, a novel species, sp. nov. is proposed. The type strain is KX 20 (=CGMCC 1.15195=DSM 100277).

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2016-10-01
2020-01-19
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