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  • Title: Marinobacter fonticola sp. nov., isolated from deep sea cold seep sediment.
    Author: Sun QL, Sun YL, Sun YY, Luan ZD, Lian C.
    Journal: Int J Syst Evol Microbiol; 2020 Feb; 70(2):1172-1177. PubMed ID: 31778353.
    Abstract:
    In this study, we report a novel Gram-negative bacterium, designated as strain CS412T, isolated from deep-sea sediment collected in a cold seep area of the South China Sea. Growth of strain CS412T occurred at 4-40 °C (optimum, 28 °C), pH 5.0-11.0 (optimum, pH 6.0) and with 0-19 % (w/v) NaCl (optimum, 1-2 %). Phylogenetic analysis based on 16S rRNA gene sequence data indicated that strain CS412T belonged to the genus Marinobacter. The closest phylogenetic neighbours of strain CS412T were Marinobacter pelagius HS225T (96.9 %), Marinobacter szutsaonensis NTU-104T (96.8%), Marinobacter santoriniensis NKSG1T (96.4%) and Marinobacter koreensisdd-M3T (96.3 %). The genomic DNA G+C content of strain CS412T was 58.0 mol%. The principal respiratory quinone was ubiquinone-9 (Q-9). The polar lipids of CS412T contained diphosphatidylglycerol, phosphatidylglycerol, phosphatidylethanolamine, aminophospholipidand and four glycolipids. The major fatty acids of CS412T contained cyclo-C19 : 0ω8c, C16 : 0, C18 : 1ω7c and C18 : 1ω7c 11-methyl. The results of phylogenetic, physiological, biochemical and morphological analyses suggested that strain CS412T represents a novel species of the genus Marinobacter, and the name Marinobacter fonticola sp. nov. is proposed with the type species CS412T (=CCTCC AB 2019197T=KCTC 72475T).
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