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Applied and Environmental Microbiology, July 2003, p. 4332-4336, Vol. 69, No. 7
0099-2240/03/$08.00+0     DOI: 10.1128/AEM.69.7.4332-4336.2003
Copyright © 2003, American Society for Microbiology. All Rights Reserved.

Molecular Phylogenetic Exploration of Bacterial Diversity in a Bakreshwar (India) Hot Spring and Culture of Shewanella-Related Thermophiles

Dhritiman Ghosh,1 Bijay Bal,2 V. K. Kashyap,3 and Subrata Pal1*

Department of Life Science and Biotechnology, Jadavpur University, Calcutta 700 032,1 Saha Institute of Nuclear Physics, 1/AF Bidhannagar, Calcutta 700 064,2 Central Forensic Science Laboratory, Calcutta 700 014, India3

Received 14 August 2002/ Accepted 2 April 2003

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.

* Corresponding author. Mailing address: Department of Life Science and Biotechnology, Jadavpur University, Calcutta 700 032, India. Phone: 91-33-2414-6710. Fax: 91-33-2414-6584. E-mail: subrata_p{at}hotmail.com

Applied and Environmental Microbiology, July 2003, p. 4332-4336, Vol. 69, No. 7
0099-2240/03/$08.00+0     DOI: 10.1128/AEM.69.7.4332-4336.2003
Copyright © 2003, American Society for Microbiology. All Rights Reserved.



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  • Toffin, L., Bidault, A., Pignet, P., Tindall, B. J., Slobodkin, A., Kato, C., Prieur, D. (2004). Shewanella profunda sp. nov., isolated from deep marine sediment of the Nankai Trough. Int. J. Syst. Evol. Microbiol. 54: 1943-1949 [Abstract] [Full Text]  


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