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Nitratireductor luteus sp. nov. isolated from saline-alkali land

文献类型： 外文期刊

作者： Yang, Xinping 1 ; Zhou, Liuyan 1 ; Wang, Xiaowu 1 ; Wang, Zhifang 1 ; Li, Pengbin 1 ; Dai, Jinping 1 ; Zhang, Huitao 1 ; Xie, Yuqing 1 ;

作者机构： 1.Xinjiang Acad Agr Sci, Inst Microbiol Applicat, Urumqi 830000, Peoples R China

2.Xinjiang Key Lab Special Environm Microbiol, Urumqi 830000, Peoples R China

关键词： Nitratireductor luteus; KC-ST17(T); Saline-alkali land; 16S rRNA gene sequence analysis

期刊名称：ANTONIE VAN LEEUWENHOEK INTERNATIONAL JOURNAL OF GENERAL AND MOLECULAR MICROBIOLOGY （ 影响因子：2.158； 五年影响因子：2.745 ）

ISSN： 0003-6072

年卷期：

页码：

收录情况： SCI

摘要： The Gram-staining negative, oxidase and catalase negative strain KC-ST17(T), isolated from saline-alkali land, was characterized using a polyphasic approach to determine its taxonomic position. Using 16S rRNA gene sequence analysis, the highest similarity of strain KC-ST17(T) was found with Nitratireductor pacificus CCTCC AB 209302(T) (97.2%). Cells are aerobic, non-motile, and rod-shaped. The isolate was found to be able to grow in NaCl concentrations of 0-4.0%. The assembled genome of strain KC-ST17(T) had a total length of 4.9 Mb with a G + C content of 62.7%. According to genome analysis, strain KC-ST17(T) encodes genes involved in the reduction of nitrate to nitrite, which may play a role in the utilization of nitrogenous compounds from the soil as an immediate source of energy. Based on the phenotypic characteristics and phylogenetic analysis, strain KC-ST17(T) was confirmed to represent a novel species in the Nitratireductor genus; thus, the name Nitratireductor luteus sp. nov. was proposed. The type strain of this species was KC-ST17(T) (= KCTC 92119(T) = MCCC 1K07309(T)).

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