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Article Abstract
A Gram-stain-negative, motile, facultative anaerobic and rod-shaped bacterium, designated strain NR704-98, was isolated from marine sediment of the northern South China Sea. Cells were positive for oxidase and catalase activity. Growth was observed at 4-30 °C (optimum 20-25 °C), at pH 6-9 (pH 7) and with 0.5-7 % NaCl (2 %). The 16S rRNA gene-based phylogenetic analysis revealed that the nearest phylogenetic neighbours of strain NR704-98 were MS32 (97.9 %), 281 (97.1 %), HAW-EB3 (96.8 %) and HAW-EB2 (96.7 %). Based on the results of phylogenomic analysis, the average nucleotide identity and the digital DNA-DNA hybridization values between strain NR704-98 and the previously mentioned type strains of species of the genus were in the range of 74.9-93.1 % and 20.6-51.4 %, respectively. The respiratory quinones were Q-7 and Q-8. The predominant fatty acids (>10 %) of strain NR704-98 were C, summed feature 3 (C 7 and/or C 6) and iso-C. Phosphatidylethanolamine, phosphatidylglycerol, two unidentified aminophospholipids and five unidentified lipids were detected in strain NR704-98. Based on the phylogenetic and phenotypic characteristics, strain NR704-98 is considered to represent a novel species of the genus , for which the name sp. nov. is proposed. The type strain is NR704-98 (=KCTC 82799=MCCC 1K06091).
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