A novel bacterial strain, MJW-29, was isolated from tidal flat sediment in Gochang, Republic of Korea. The isolate is Gram-stain-negative, facultatively anaerobic, gliding motile and short rods. The strain MJW-29 is oxidase and catalase positive. Growth is observed at 25-40 °C (optimum, 30 °C) and pH 5-9 (optimum, pH 7.0) in the presence of 0-9% (w/v) NaCl (optimum, 5.0% NaCl). The 16S rRNA gene sequence identity analysis showed that the strain MJW-29 is closely associated with KMU-156 (97.2%), AM1-D1 (97.2%), JBTF-M27 (97.0%) and KU5D5 (96.9%) from the family . The major respiratory quinone was Q-10. The major polar lipids were phosphatidylglycerol, phosphatidylcholine, phospholipid and an unidentified lipid. The major cellular fatty acids of type strain MJW-29 were C 7c/C 6c (64.5%). The genome length of the type strain MJW-29 is 4.9 Mbp (DNA G+C content, 62.1 mol%). It has 4638 coding genes and 43 tRNAs. The average aa identity values; average nt identity values; and biochemical, phylogenetic and physiological characteristics support the genotypic and phenotypic differentiation of strain MJW-29 from other members of the genus . The strain MJW-29 represents a novel species of the genus in the family , for which the name sp. nov. is proposed. The type strain is MJW-29 (=KCTC 8634=KEMB 20189=JCM 37145).
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