期刊
INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY
卷 66, 期 -, 页码 1293-1300出版社
MICROBIOLOGY SOC
DOI: 10.1099/ijsem.0.000878
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- JSPS KAKENHI grant [24687011, 15H02419]
- Grants-in-Aid for Scientific Research [24687011, 15H02419] Funding Source: KAKEN
A novel, anaerobic bacterium, strain MO-SEDIT, was isolated from a methanogenic microbial community, which was originally obtained from marine subsurface sediments collected from off the Shimokita Peninsula of Japan. Cells were Gram-stain-negative, non-motile, non-spore-forming rods, 0.4-1.4 mu m long by 0.4-0.6 mu wide. The cells also formed long filaments of up to about 11 mu m. The strain grew on amino acids (i.e. valine, leucine, isoleucine, methionine, glycine, phenylalanine, tryptophan, lysine and arginine), pyruvate and melezitose in the presence of yeast extract. Growth was observed at 4-37 degrees C (optimally at 30 degrees C), at pH 6.0 and 8.5 (optimally at 7.0-7.5) and in 0-60 g l(-1) NaCl (optimally 20 g NaCl l(-1)). The G + C content of the DNA was 32.0 mol%. The polar lipids of strain MO-SEDIT were phosphatidylglycerol, phosphatidyl lipids and unknown lipids. The major cellular fatty acids (>10 % of the total) were C-14 : 0, C-16 : 1 omega 9 and C-16 : 0 dimethyl aldehyde. Comparative sequence analysis of the 16S rRNA gene showed that strain MO-SEDIT was affiliated with the genus Sedimentibacter within the phylum Firmicutes. It was related most closely to the type strain of Sedimentibacter saalensis (94 % sequence similarity). Based on the phenotypic and genetic characteristics, strain MO-SEDIT is considered to represent a novel species of the genus Sedimentibacter, for which the name Sedimentibacter acidaminivorans sp. nov. is proposed. The type strain is MO-SEDIT (=JCM 17293(T) =DSM 24004(T)).
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