RT Journal Article SR Electronic(1) A1 Su, Yue A1 Han, Shuaibo A1 Wang, Ruijun A1 Yu, Xiaoyun A1 Fu, Geyi A1 Chen, Can A1 Zhang, Chongya A1 Li, Yu A1 Sun, Cong A1 Wu, MinYR 2017 T1 Microbaculum marinum gen. nov., sp. nov., isolated from deep seawater JF International Journal of Systematic and Evolutionary Microbiology, VO 67 IS 4 SP 812 OP 817 DO https://doi.org/10.1099/ijsem.0.001647 PB Microbiology Society, SN 1466-5034, AB A Gram-stain-negative, aerobic, rod-shaped and non-motile bacterium, designated HSF11T, was isolated from deep seawater of the South China Sea. Growth was observed at 20–40 °C (optimum 35 °C), pH 5.0–8.5 (optimum pH 7.0–7.5) and with 0–7 % NaCl (optimum 2 %). Bacteriochlorophyll a and poly-β-hydroxybutyrate (PHB) granules were not detected. Nitrate could be reduced to nitrite. The major fatty acids (≥5 %) of strain HSF11T were C19 : 0cyclo ω8c, C18 : 0 and C16 : 0. The isoprenoid quinone was Q-10. The polar lipids were diphosphatidylglycerol, phosphatidylglycerol, two unknown phospholipids (PL1, PL2), one unknown aminolipid (AL1) and three unknown lipids (L1, L3, L4). The genomic DNA G+C content was 70.7 mol%. 16S rRNA gene sequence analysis indicated that strain HSF11T was most closely related to Tepidamorphus gemmatus DSM 19345T (95.7 % 16S rRNA gene sequence similarity) and Lutibaculum baratangense KCTC 22669T (95.2 %). On the basis of the genotypic, phenotypic, phylogenetic and chemotaxonomic characteristics, strain HSF11T represents a novel species of a new genus, for which the name Microbaculum marinum gen. nov., sp. nov. is proposed. The type strain of the type species is HSF11T (=KCTC 52 363T=MCCC 1K03192T)., UL https://www.microbiologyresearch.org/content/journal/ijsem/10.1099/ijsem.0.001647