期刊
INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY
卷 60, 期 -, 页码 1383-1386出版社
MICROBIOLOGY SOC
DOI: 10.1099/ijs.0.016808-0
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资金
- Ministry of Science and Technology of China [2004CB719604-3, 2007AA021305]
- Zhejiang Science and Technology [2006C13053]
A Gram-stain-positive, halotolerant, neutrophilic, rod-shaped bacterium, strain MF38(T), was isolated from a saline alkaline soil in China and subjected to a polyphasic taxonomic characterization. The isolate grew in the presence of 0-15% (w/v) NaCl and at pH 6.5-8.5; optimum growth was observed with 3.0% (w/v) NaCl and at pH 7.0. Chemotaxonomic analysis showed menaquinone MK-7 as the predominant respiratory quinone and anteiso-C-15:0, anteiso-C-17:0, iso-C-15:0, C-17:0 and C-16:0 as major fatty acids. The genomic DNA G+C content was 35.3 mol%. 16S rRNA gene sequence similarities of strain MF38(T) with type strains of described Gracilibacillus species ranged from 95.3 to 97.7%. Strain MF38(T) exhibited the closest phylogenetic affinity to the type strain of Gracilibacillus dipsosauri, with 97.7% 16S rRNA gene sequence similarity. The DNA DNA reassociation between strain MF38(T) and G. dipsosauri DSM 11125(T) was 45%. On the basis of phenotypic and genotypic data, strain MF38(T) represents a novel species of the genus Gracilibacillus, for which the name Gracilibacillus ureilyticus sp. nov. (type strain MF38(T) =CGMCC 1.7727(T) =JCM 15711(T)) is proposed.
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