1887

Abstract

A novel bacterium, designated strain F028-2, was isolated from seawater at Damupo beach in Pohang, Korea, and investigated in a taxonomic study using a polyphasic approach. This novel strain was strictly aerobic, non-motile, Gram-stain-negative and rod-shaped, and occasionally formed aggregates. The temperature, pH and NaCl ranges for growth were 4–30 °C, pH 6.5–9.0 and 1–7 % (w/v), respectively. Phylogenetic analysis based on 16S rRNA gene sequences showed that strain F028-2 formed a lineage within the family of the class , and was closely related to members of the genera and with 96.3–96.4 % sequence similarities. The polar lipid profile of strain F028-2 comprised diphosphatidylglycerol, phosphatidylcholine, phosphatidylethanolamine, phosphatidylglycerol, two unidentified aminolipids, one unidentified phospholipid and six unidentified lipids. The predominant cellular fatty acids were Cω7 and C 3-OH. The genomic DNA G+C content of strain F028-2 was 61.6 mol% and the major respiratory quinone was Q-10. Based on phenotypic, phylogenetic and genotypic data, strain F028-2 is considered to represent a novel species in the genus , for which the name sp. nov. is proposed. The type strain is F028-2 ( = KCTC 23543 = JCM 17627). An emended description of the genus is also proposed.

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2013-06-01
2020-01-20
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