一株极端耐辐射奇异球菌的分离和初步鉴定

被引：3

作者：

陈明

刘秀敏

张维

林敏

机构：

[1] 中国农业科学院生物技术研究所

来源：

核农学报 | 2007年 / 01期

关键词：

耐辐射微生物; Deinococcus sp; 16SrDNA;

D O I：

暂无

中图分类号：

Q93-33 [微生物学技术与微生物学实验];

学科分类号：

071005 ; 100705 ;

摘要：

从放射性污染的土壤样品中分离出1株具有极端耐辐射的微生物BR501,该菌最适生长温度为30℃,不具有氨苄青霉素、氯霉素、四环素、卡那霉素和利福平等抗性。UV、γ辐射生长曲线的结果显示BR501菌株具有极强的辐射抗性。BR501菌株的16S rDNA序列与多株Deinococcus属菌株有很高的同源性,其中,与D.radiodurans菌株的16S rDNA相似性高达99%。结合BR501菌株的表型和Deinococcus属具有代表性的D.RadioduransR1菌株的特征,将该菌株归属为Deinococcus属,初步命名为Deinococcus sp.BR501。

引用

页码：44 / 47

页数：4

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