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  • Title: Halomonas salicampi sp. nov., a halotolerant and alkalitolerant bacterium isolated from a saltern soil.
    Author: Lee JC, Kim YS, Yun BS, Whang KS.
    Journal: Int J Syst Evol Microbiol; 2015 Dec; 65(12):4792-4799. PubMed ID: 26431725.
    Abstract:
    A Gram-stain-negative, halotolerant and alkalitolerant bacterium, designated strain BH103T, was isolated from saltern soil in Gomso, Korea. Cells of strain BH103T were strictly aerobic, motile, straight rods and grew at pH 7.0-10.8 (optimum, pH 8.5), at 10-55 °C (optimum, 28 °C) and at salinities of 0-23 % (w/v) NaCl (optimum, 14 % NaCl). Phylogenetic analyses based on 16S rRNA gene sequences indicated that strain BH103T belongs to the genus Halomonas, showing highest sequence similarity to Halomonas boliviensis LC1T (97.7 %), Halomonas neptunia Eplume1T (97.7 %), Halomonas variabilis IIIT (97.7 %), Halomonas alkaliantarctica CRSST (97.7 %), Halomonas olivaria TYRC17T (97.5 %), Halomonas titanicae BH1T (97.2 %) and Halomonas sulfidaeris Esulfide1T (96.2 %). The predominant ubiquinone was Q-9. The major fatty acids were C18 : 1ω7c, C16 : 1ω7c and/or iso-C15 : 0 2-OH, C16 : 0 and C12 : 0 3-OH. The major polar lipids were phosphatidylglycerol, diphosphatidylglycerol, phosphatidylethanolamine, aminophospholipid and an unknown phospholipid. The DNA G+C content of this novel isolate was 54.7 mol%. DNA-DNA relatedness between strain BH103T and H. boliviensis KACC 16615T, H. neptunia KCTC 2888T, H. variabilis KCTC 2889T, H. alkaliantarctica KCTC 22844T, H. olivaria DSM 19074T, H. titanicae JCM 16411T and H. sulfidaeris DSM 15722T was 45, 41, 39, 32, 38, 45 and 35 %, respectively. On the basis of polyphasic analysis from this study, strain BH103T represents a novel species of the genus Halomonas, for which the name Halomonas salicampi sp. nov. is proposed. The type strain is BH103T ( = KACC 17609T = NBRC 109914T = NCAIM B 02528T).
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