1887

Abstract

A novel Gram-stain-negative, strictly aerobic, non-flagellated and rod-shaped bacterium, designated HF004, was isolated from a marine sediment sample collected from the coast of Weihai, China. The strain grew optimally at 28 °C, pH 7.5–8.0 and in the presence of 2.0–3.0 % (w/v) NaCl. Based on the 16S rRNA gene sequence analysis, strain HF004 was a member of the genus Halioglobus , appearing to be closely related to Halioglobus pacificus (96.1 %) and Halioglobus japonicus (95.6 %). The major fatty acids were summed feature 3 (i.e. C16 : 1ω7c and/or iso-C15 : 0 2-OH), C17 : 1ω8c and C18 : 1ω7c. The major polar lipids were diphosphatidylglycerol, phosphatidylethanolamine and phosphatidylglycerol. The predominant respiratory quinone was Q-8. The DNA G+C content was 57.2 mol%. Cells of strain HF004 were rod-shaped and formed circular, mucous and beige-pigmented colonies on marine agar after incubation for 72 h at 28 °C. On the basis of phenotypic, genotypic and phylogenetic evidence, strain HF004 is presented as a novel species, for which the name Halioglobus lutimaris sp. nov. is proposed. The type strain is HF004 (=KCTC 42395=MCCC 1H00127).

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2018-01-29
2019-12-08
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