1887

Abstract

A heterotrophic marine bacterium, designated strain KTSW-6, was isolated from the reef-building coral in Kenting, Taiwan. Cells of strain KTSW-6 were Gram-stain-negative, facultatively anaerobic, halophilic, non-motile rods surrounded by a thick glycocalyx-like coat and forming creamy white colonies. Growth occurred at 15–37 °C (optimum, 25–30 °C), at pH 7.0–9.0 (optimum, pH 7.5–8.0) and with 0.5–7 % NaCl (optimum, 3–4 %). Polar lipids comprised phosphatidylethanolamine, phosphatidylglycerol, diphosphatidylglycerol, an uncharacterized aminophospholipid and three uncharacterized phospholipids (PL1–PL3). The respiratory quinones of strain KTSW-6 were Q-8 (62 %) and Q-7 (38 %). Major cellular fatty acids were summed feature 3 (Cω7 and/or Cω6, 29.6 %), Cω7 (27.6 %) and C (19.5 %). The major cellular hydroxy fatty acid was C 3-OH. The DNA GC content of strain KTSW-6 was 48.6 mol%. 16S rRNA gene sequence analysis indicated that strain KTSW-6 belongs to the family of the order , class Strain KTSW-6 shared 92.7 % 16S rRNA gene sequence similarity with MED92 and 92.0 % with NAG-2N-126. On the basis of the genotypic and phenotypic data, strain KTSW-6 represents a novel species of a new genus of the , for which the name gen. nov., sp. nov. is proposed. The type strain of is KTSW-6 ( = BCRC 80176 = LMG 25553).

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2013-03-01
2019-10-19
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