Salinimicrobium gaetbulicola sp. nov., isolated from tidal flat sediment

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Salinimicrobium gaetbulicola sp. nov., isolated from tidal flat sediment
Soo Young Lee; S Park; Tae Kwang Oh; Jung-Hoon Yoon
Bibliographic Citation
International Journal of Systematic and Evolutionary Microbiology, vol. 62, no. 5, pp. 1027-1031
Publication Year
A Gram-stain-negative, aerobic, non-flagellated, non-gliding and short rod- or rod-shaped bacterial strain, designated BB-My20 T, was isolated from tidal flat sediment taken from the southern coast of Korea. Strain BB-My20 T grew optimally at 37 °C, at pH 7.0-7.5 and in the presence of 2% (w/v) NaCl. A phylogenetic tree based on 16S rRNA gene sequences showed that strain BB-My20 T fell within the clade comprising Salinimicrobium species, joining Salinimicrobium catena HY1 T, with which it had a 16S rRNA gene sequence similarity value of 97.4%. It exhibited 95.4-96.9% sequence similarity to the type strains of other members of the genus Salinimicrobium. Strain BB-My20 T contained MK-6 as the predominant menaquinone and iso-C 15: 0, anteiso-C 15: 0 and iso-C 17: 0 3-OH as the major fatty acids. The major polar lipids detected in strain BB-My20 T and S. catena JCM 14015 T were phosphatidylethanolamine and one unidentified lipid. The DNA G+C content of strain BB-My20 T was 45.1 mol% and its mean DNA-DNA relatedness value with S. catena JCM 14015 T was 4.5%. Differential phenotypic properties, together with its phylogenetic and genetic distinctiveness, revealed that strain BB-My20 T can be distinguished from the four recognized species of the genus Salinimicrobium. On the basis of the data presented, strain BB-My20 T is considered to represent a novel species of the genus Salinimicrobium, for which the name Salinimicrobium gaetbulicola sp. nov. is proposed; the type strain is BB-My20 T (=KCTC 23579 T=CCUG 60898 T).
Microbiology Soc
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Division of Biomedical Research > Metabolic Regulation Research Center > 1. Journal Articles
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