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Psychroflexus sediminis sp nov., a mesophilic bacterium isolated from salt lake sediment in China
Chen, YG; Cui, XL; Wang, YX; Tang, SK; Zhang, YQ; Li, WJ; Liu, JH; Peng, Q; Xu, LH; xlcuiynu@yahoo.com.cn
2009
发表期刊INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY
ISSN1466-5026
卷号59页码:569-573
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)).
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
学科领域Microbiology
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收录类别sci
资助项目广东省海洋药物重点实验室
WOS记录号WOS:000264664400023
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被引频次:13[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.scsio.ac.cn/handle/344004/5334
专题广东省海洋药物重点实验室
通讯作者xlcuiynu@yahoo.com.cn
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Chen, YG,Cui, XL,Wang, YX,et al. Psychroflexus sediminis sp nov., a mesophilic bacterium isolated from salt lake sediment in China[J]. INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY,2009,59:569-573.
APA Chen, YG.,Cui, XL.,Wang, YX.,Tang, SK.,Zhang, YQ.,...&xlcuiynu@yahoo.com.cn.(2009).Psychroflexus sediminis sp nov., a mesophilic bacterium isolated from salt lake sediment in China.INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY,59,569-573.
MLA Chen, YG,et al."Psychroflexus sediminis sp nov., a mesophilic bacterium isolated from salt lake sediment in China".INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY 59(2009):569-573.
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