文献类型: 外文期刊
作者: Liu, Ying 1 ; Xie, Qing-yi 2 ; Hong, Kui 3 ; Li, Lei 3 ; Zhao, Ya-mei 1 ; Tang, Yi-li 3 ; An, Jun-ying 1 ; Zhu, Ping-ping 3 ;
作者机构: 1.Guangdong Ocean Univ, Coll Food Sci & Technol, Zhanjiang 524088, Peoples R China
2.Chinese Acad Trop Agr Sci, Inst Trop Biosci & Biotechnol, Haikou 571101, Peoples R China
3.Minist Educ, Key Lab Combinatorial Biosynth & Drug Discovery, Wuhan 430071, Peoples R China
4.Wuhan Univ, Sch Pharmaceut Sci, Wuhan 430071, Peoples R China
5.Wuhan Univ, Sch Pharmaceut Sci, Wuhan 430071,
关键词: Paracoccus siganidrum sp nov.;Polyphasic taxonomy;16S rRNA
期刊名称:ANTONIE VAN LEEUWENHOEK INTERNATIONAL JOURNAL OF GENERAL AND MOLECULAR MICROBIOLOGY ( 影响因子:2.271; 五年影响因子:2.707 )
ISSN: 0003-6072
年卷期: 2013 年 103 卷 5 期
页码:
收录情况: SCI
摘要: A bacterial strain, designated M26(T), was isolated from a fish gastrointestinal tract, collected from Zhanjiang Port, South China. 16S rRNA gene sequence analysis indicated that strain M26(T) belongs to the subclass alpha-Proteobacteria, being related to the genus Paracoccus, and sharing highest sequence similarity with Paracoccus alcaliphilus JCM 7364(T) (98.1 %), Paracoccus huijuniae FLN-7(T) (97.3 %), Paracoccus stylophorae KTW-16(T) (97.1 %) and Paracoccus seriniphilus DSM 14827(T) (96.9 %). The major quinone was determined to be ubiquinone Q-10, with Q-9 and Q-8 as minor components. The major fatty acid was identified as C-18:1 omega 7c, with smaller amounts of C-18:0 and C-16:0. The G+C content of the genomic DNA was determined to be 64.3 mol%. The DNA hybridization value between strain M26(T) and the most closely related type strain, P. alcaliphilus, was 29.0 +/- 1.0 %. The results of physiological and biochemical tests and low DNA-DNA relatedness showed that the strain could be readily distinguished from closely related species. On the basis of these phenotypic and genotypic data, strain M26(T) is concluded to represent a novel species of the genus Paracoccus, for which the name Paracoccus siganidrum sp. nov. is proposed. The type strain is M26(T) (=CCTCC AB 2012865(T) = DSM 26381(T)).
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