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Aneurinibacillus uraniidurans sp. nov., a uranium- resistant bacterium isolated from uranium- contaminated soil

文献类型： 外文期刊

作者： Zhang, Lijuan 1 ; Wang, Ning 2 ; Huang, Wei 2 ; Luo, Yi 3 ; Wu, Longyuan 3 ; Song, Bo 4 ; Zheng, Guofeng 5 ; Liu, Zaidao 6 ; Zhang, Yongwen 6 ; Wang, Suling 3 ; Wang, Wei 2 ; Sheng, Jiandong 3 ;

作者机构： 1.Xinjiang Agr Univ, Coll Grassland Sci, Urumqi 830091, Peoples R China

2.Xinjiang Acad Agr Sci, Inst Appl Microbiol, Xinjiang Lab Special Environm Microbiol, Urumqi 830091, Peoples R China

3.Xinjiang Agr Univ, Coll Resources & Environm Sci, Urumqi 830091, Peoples R China

4.Xinjiang Acad Agr Sci, Inst Plant Protect, Urumqi 830091, Peoples R China

5.Nucl & Radiat Safety Ctr, Beijing 100082, Peoples R China

6.China Natl Nucl Corp, Shaoguan JinYuan Uranium Co Ltd, Shaoguan 512300, Peoples R China

关键词： Aneurinibacillus; uranium tolerance

期刊名称：INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY （ 影响因子：2.8； 五年影响因子：2.6 ）

ISSN： 1466-5026

年卷期： 2024 年 74 卷 4 期

页码：

收录情况： SCI

摘要： A novel Gram- positive strain, B1T, was isolated from uranium- contaminated soil. The strain was aerobic, rod- shaped, sporeforming, and motile. The strain was able to grow at 20-45 degrees C, at pH 6.0-9.0, and in the presence of 0-3 % (w/v) NaCl. The complete genome size of the novel strain was 3 853 322 bp. The genomic DNA G+C content was 45.5 mol%. Phylogenetic analysis based on the 16S rRNA gene sequence showed that strain B1T has the highest similarity to Aneurinibacillus soli CB4T (96. 71 %). However, the novel strain showed an average nucleotide identity value of 89.02 % and a digital DNA-DNA hybridization value of 37.40 % with strain CB4T based on the genome sequences. The major fatty acids were iso- C15: 0 and C16:0. The predominate respiratory quinone was MK7. Diphosphatidylglycerol, phosphatidylmethylethanolamine, phosphatidylethanolamine, phosphatidylglycerol, unidentified phospholipids, an unidentified aminolipid and an unidentified lipid were identified as the major polar lipids. The phylogenetic, phenotypic, and chemotaxonomic analyses showed that strain B1T represents a novel species of the genus Aneurinibacillus, for which the name Aneurinibacillus uraniidurans sp. nov. is proposed. The type strain is B1T (=GDMCC 1.4080T=JCM 36228T). Experiments have shown that strain B1T demonstrates uranium tolerance.

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