Isolation and identification of a novel radio-resistant strain

ZHANG Zhidong; MAO Jun; WANG Wei; TANG Qiyong; SHI Yuhu

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Isolation and identification of a novel radio-resistant strain

更新时间：2023-03-30

- Isolation and identification of a novel radio-resistant strain
- Journal of Radiation Research and Radiation Processing Vol. 26, Issue 1, Pages: 43-46(2008)
- 作者机构：
  
  1.新疆农业科学院微生物研究所　乌鲁木齐　830000
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ZHANG Zhidong, MAO Jun, WANG Wei, et al. Isolation and identification of a novel radio-resistant strain. [J]. Journal of Radiation Research and Radiation Processing 26(1):43-46(2008)
DOI：

ZHANG Zhidong, MAO Jun, WANG Wei, et al. Isolation and identification of a novel radio-resistant strain. [J]. Journal of Radiation Research and Radiation Processing 26(1):43-46(2008) DOI：

摘要

对新疆古尔班通古特沙漠土样中分离到的一株耐辐射菌RL2进行了多相分类鉴定。结果发现，此菌为革兰氏阳性，球形，菌落为淡红色；菌株的（G+C）mo1％含量为71.62％；16S rDNA序列分析表明，菌株RL2的16S rDNA基因序列与,D.radiodurans, DSM20539,T, 同源性最高（97.2%）。通过表型及系统进化树分析，确定RL2菌种分类应归于,Deinococcus,菌属，并可能是该菌属中的一个新种。

Abstract

A novel radio-resistant strain named RL2 was studied polyphasically, which was isolated from the soils in the Gurban-Tunggut Desert, Xinjiang. The strain is Gam-positive, sphere-shaped and pink pigmented; The DNA (G+C) contents of RL2 is 71.62mol%; The 16S rDNA genes of RL2 and ,D.radiodurans, type strain DSM20539 shows a high level of similarity (97.2%). According to phenotypic characteristics and phylogenetic analysis, it can be suggested that the strain RL2 has been identified as ,Deinococcus.sp, and it may be a novel species.

关键词

耐辐射菌分离鉴定

Keywords

Radio-resistant strainIsolatedIdentify

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