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SCSIO OpenIR  > 广东省海洋药物重点实验室  > 期刊论文
学科主题: Microbiology
题名: Psychroflexus sediminis sp nov., a mesophilic bacterium isolated from salt lake sediment in China
作者: Chen, YG ; Cui, XL ; Wang, YX ; Tang, SK ; Zhang, YQ ; Li, WJ ; Liu, JH ; Peng, Q ; Xu, LH
通讯作者: xlcuiynu@yahoo.com.cn
刊名: INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY
发表日期: 2009
卷: 59, 页:569-573
收录类别: sci
部门归属: [Chen, Yi-Guang; Cui, Xiao-Long; Wang, Yong-Xia; Tang, Shu-Kun; Zhang, Yu-Qin; Li, Wen-Jun; Liu, Ji-Hui; Peng, Qian; Xu, Li-Hua] Yunnan Univ, Yunnan Inst Microbiol, Kunming 650091, Yunnan, Peoples R China; [Chen, Yi-Guang] Jishou Univ, Coll Bioresources & Environm Sci, Jishou 416000, Hunan, Peoples R China; [Zhang, Yu-Qin] Chinese Acad Med Sci, Inst Med Biotechnol, Beijing 100050, Peoples R China; [Zhang, Yu-Qin] Peking Union Med Coll, Beijing 100050, Peoples R China; [Li, Wen-Jun] Chinese Acad Sci, S China Sea Inst Oceanol, Guangdong Key Lab Marine Mat Med, Guangzhou 510301, Guangdong, Peoples R China
项目归属: 广东省海洋药物重点实验室
摘要: A novel Gram-negative, mesophilic, slightly halophilic, catalase- and oxidase-positive, obligately aerobic bacterium, designated strain YIM-C238(T), was isolated from a sediment sample from a salt lake in the Qaidam Basin, north-west China. Cells were non-sporulating, non-motile, straight to slightly curved rods. Coccoid bodies and filaments of varying length developed in older cultures. Growth occurred with 0.5-6% (w/v) NaCl [optimum, 2-3% (w/v) NaCl], at pH 6.0-10.0 (optimum, pH 7.0-8.0) and at 10-40 degrees C (optimum, 25- 30 degrees C). The major cellular fatty acids were anteiso-C-15:0, 3-OH iso-C-16:0 and anteiso-C-15:1 omega 10c, and menaquinone 6 was the sole respiratory quinone. Non-diffusible carotenoid pigments were produced. Flexirubin pigments were absent. The genomic DNA G+C content was 35.8 mol%. Phylogenetic analysis based on 16S rRNA gene sequences indicated that strain YIM-C238(T) should be assigned to the genus Psychroflexus. The sequence similarities between the isolate and the type strains of members of the genus Psychroflexus were in the range 95.5-97.0%. The combination of phylogenetic analysis, DNA-DNA hybridization data, phenotypic characteristics and chemotaxonomic differences supported the view that strain YIM-C238(T) represents a novel species of the genus Psychroflexus, for which the name Psychroflexus sediminis sp. nov. is proposed. The type strain is YIM-C238(T) (=CCTCC AA 207030(T)=KCTC 22166(T)).
原文出处: 查看原文
WOS记录号: WOS:000264664400023
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内容类型: 期刊论文
URI标识: http://ir.scsio.ac.cn/handle/344004/5334
Appears in Collections:广东省海洋药物重点实验室_期刊论文

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Chen, YG; Cui, XL; Wang, YX; Tang, SK; Zhang, YQ; Li, WJ; Liu, JH; Peng, Q; Xu, LH.Psychroflexus sediminis sp nov., a mesophilic bacterium isolated from salt lake sediment in China,INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY,2009,59():569-573
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