Gracilibacillus bigeumensis sp. nov., a moderately halophilic bacterium from solar saltern soil
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- Gracilibacillus bigeumensis sp. nov., a moderately halophilic bacterium from solar saltern soil
- P Kim; Jae-Chan Lee; Dong Jin park; Kee Sun Shin; J Y Kim; Chang-Jin Kim
- Bibliographic Citation
- International Journal of Systematic and Evolutionary Microbiology, vol. 62, no. 8, pp. 1857-1863
- Publication Year
- A Gram-staining-positive, moderately halophilic bacterium, designated strain BH097 T, was isolated from solar saltern soil of Bigeum Island in south-west Korea. Cells were motile rods, producing spherical endospores at a terminal position in swollen sporangia. Strain BH097 T was strictly aerobic, grew at pH 5.5-9.5 (optimum, pH 8.0), at 10-52 °C (optimum, 37 °C) and at salinities of 1-22% (w/v) NaCl (optimum, 7% NaCl). On the basis of 16S rRNA gene sequence analysis, strain BH097 T was shown to belong to the genus Gracilibacillus within the phylum Firmicutes, and showed closest sequence similarity to Gracilibacillus saliphilus DSM 19802 T (95.8 %), Gracilibacillus thailandensis TP2-8T (95.6 %), Gracilibacillus boraciitolerans DSM 17256 T (95.5 %), 'Gracilibacillus quinghaiensis' DSM 17858 (95.4 %) and Gracilibacillus halophilus DSM 17856 T (95.2 %). The DNA G+C content of this novel isolate was 37.9 mol%. The major cellular fatty acids of strain BH097 T were anteiso-C 15:0, iso-C 15: 0 and C 16: 0, and its polar lipid pattern consisted of diphosphatidylglycerol, phosphatidylglycerol two unknown phospholipids and a glycolipid. The isoprenoid quinone was MK-7, and the peptidoglycan type was A1γ, with meso-diaminopimelic acid as the diagnostic diamino acid. On the basis of polyphasic evidence from this study, strain BH097 T represents a novel species of the genus Gracilibacillus for which the name Gracilibacillus bigeumensis sp. nov. is proposed. The type strain is BH097 T (=KCTC 13130 T=DSM 19028 T).
- Microbiology Soc
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- Division of Biomaterials Research > Industrial Bio-materials Research Center > 1. Journal Articles
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