Molecular phylogenetic exploration of bacterial diversity in a Bakreshwar (India) hot spring and culture of Shewanella-related thermophiles

被引:50
作者
Ghosh, D
Bal, B
Kashyap, VK
Pal, S [1 ]
机构
[1] Jadavpur Univ, Dept Life Sci & Biotechnol, Kolkata 700032, W Bengal, India
[2] Saha Inst Nucl Phys, Kolkata 700064, W Bengal, India
[3] Cent Forens Sci Lab, Kolkata 700014, W Bengal, India
关键词
D O I
10.1128/AEM.69.7.4332-4336.2003
中图分类号
Q81 [生物工程学(生物技术)]; Q93 [微生物学];
学科分类号
071005 ; 0836 ; 090102 ; 100705 ;
摘要
The bacterial diversity of a hot spring in Bakreshwar, India, was investigated by a culture-independent approach. 16S ribosomal DNA clones derived from the sediment samples were found to be associated with gamma-Proteobacteria, cyanobacteria, and green nonsulfur and low-GC gram-positive bacteria. The first of the above phylotypes cobranches with Shewanella, a well-known iron reducer. This phylogenetic correlation has been exploited to develop culture conditions for thermophilic iron-reducing microorganisms.
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页码:4332 / 4336
页数:5
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