RT Journal Article SR Electronic(1) A1 Jia, Xiaomeng A1 Kim, Hye Rim A1 Jia, Baolei A1 Jeon, Hye Hee A1 Baek, Kyunghwa A1 Choi, Sang Ho A1 Jeon, Che OkYR 2017 T1 Roseovarius confluentis sp. nov., isolated from estuary sediment JF International Journal of Systematic and Evolutionary Microbiology, VO 67 IS 2 SP 346 OP 351 DO https://doi.org/10.1099/ijsem.0.001630 PB Microbiology Society, SN 1466-5034, AB A Gram-stain-negative and strictly aerobic bacterium, designated strain SAG6T, was isolated from estuary sediment in South Korea. Cells of strain SAG6T were found to be oxidase- and catalase-positive rods with gliding motility. Cell growth was observed at 15–40 °C (optimum 30 °C), at pH 6.5–10.0 (optimum pH 7.0) and in the presence of 0.5–13.0 % (w/v) NaCl (optimum 2.0 %). Ubiquinone-10 was the only detected respiratory quinone and summed feature 8 (comprising C18 : 1ω7c/C18  : 1ω6c), C16 : 0, C18 : 1ω7c 11-methyl and C12 : 0 were the major fatty acids identified (>5 % of the total fatty acids). The polar lipids of strain SAG6T consisted of phosphatidylcholine, phosphatidylglycerol, diphosphatidylglycerol, an unidentified aminolipid and two unidentified lipids. The G+C content of the genomic DNA was 66.3 mol%. Phylogenetic analysis based on 16S rRNA gene sequences showed that strain SAG6T formed a tight phyletic lineage within the genus Roseovarius . Strain SAG6T was most closely related to Roseovarius indicus B108T with 97.6 % 16S rRNA gene sequence similarity. Based on phenotypic, chemotaxonomic and molecular features, strain SAG6T clearly represents a novel species of the genus Roseovarius , for which the name Roseovarius confluentis sp. nov. is proposed. The type strain is SAG6T (=KACC 18598T=JCM 31541T)., UL https://www.microbiologyresearch.org/content/journal/ijsem/10.1099/ijsem.0.001630