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Marinococcus luteus sp nov., a halotolerant bacterium isolated from a salt lake, and emended description of the genus Marinococcus

文献类型： 外文期刊

作者： Wang, Yun 1 ; Cao, Lan-Lan 1 ; Tang, Shu-Kun 3 ; Lou, Kai 1 ; Mao, Pei-Hong 4 ; Jin, Xiang 4 ; Jiang, Cheng-Lin 3 ; Xu, L 1 ;

作者机构： 1.Xinjiang Acad Agr Sci, Xinjiang Inst Microbiol, Urumqi 830091, Xinjiang, Peoples R China

2.Xinjiang Agr Sci, Coll Prataculture & Environm Sci, Urumqi 830052, Xinjiang, Peoples R China

3.Yunnan Univ, Yunnan Inst Microbiol, Lab Conservat & Utilizat Bioresources, Kunming 650091, Peoples R China

4.Xinjiang Univ, Coll Phys Sci & Technol, Inst Ion Beam Biotechnol, Urumqi 830008, Xinjiang, Peoples R China

关键词： salt lake

期刊名称：INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY （ 影响因子：2.747； 五年影响因子：2.889 ）

ISSN：

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收录情况： SCI

摘要： A Gram-positive, aerobic, motile, coccoid, orange-pigmented bacterium, designated strain YIM 91094(T), was isolated from a salt lake sample collected from Barkol Lake in Xinjiang Province, north-west China. The strain was able to grow at pH 6.0-8.0 (optimal growth at pH 7.0), at 10-37 degrees C (optimal growth at 28 degrees C) and in the presence of 0-25 % (w/v) NaCl [optimal growth in the presence of 10-15 % (w/v) NaCl]. Phylogenetic analyses based on 16S rRNA gene sequences showed that strain YIM 91094(T) was affiliated with the genus Marinococcus and exhibited levels of sequence similarity of 99.2 % to Marinococcus halotolerans YIM 70157(T) and 99.7 % to Marinococcus halophilus DSM 20408(T). However, it showed moderately low levels of DNA-DNA relatedness with the above type strains (56.0 and 57.5%, respectively). The peptidoglycan type of strain YIM 91094(T) was A1 gamma, with meso-diaminopimelic acid as the diagnostic diamino acid. MK-7 was the predominant menaquinone and anteiso-C-15:0 (49.9% of the total) and anteiso-C-17:0 (29.6 %) were the major cellular fatty acids. The DNA G + C content was 48.7 mol%. Strain YIM 91094(T) possessed chemotaxonomic markers that were consistent with its classification in the genus Marinococcus. On the basis of the data presented, strain YIM 91094 T is considered to represent a novel species of the genus Marinococcus, for which the name Marinococcus luteus sp. nov. is proposed. The type strain is YIM 91094(T) (=KCTC 13214(T)= CCTCC AA 208014(T)). An emended description of the genus Marinococcus is provided.

  • 相关文献

[1]Georgenia halophila sp nov., a halophilic actinobacterium isolated from a salt lake. Tang, Shu-Kun,Li, Wen-Jun,Tang, Shu-Kun,Li, Wen-Jun,Wang, Yun,Lou, Kai,Lee, Jae-Chan,Park, Dong-Jin,Kim, Chang-Jin.

[2]Amycolatopsis halophila sp nov., a halophilic actinomycete isolated from a salt lake. Tang, Shu-Kun,Li, Wen-Jun,Tang, Shu-Kun,Li, Wen-Jun,Wang, Yun,Guan, Tong-Wei,Lee, Jae-Chan,Kim, Chang-Jin.

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