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Applied and Environmental Microbiology, May 2006, p. 3759-3762, Vol. 72, No. 5
0099-2240/06/$08.00+0     doi:10.1128/AEM.72.5.3759-3762.2006
Copyright © 2006, American Society for Microbiology. All Rights Reserved.

SHORT REPORT

Novel Thermophilic Sulfate-Reducing Bacteria from a Geothermally Active Underground Mine in Japan

Anna H. Kaksonen,^1* Jason J. Plumb,² Wendy J. Robertson,² Stefan Spring,³ Peter Schumann,³ Peter D. Franzmann,² and Jaakko A. Puhakka¹

Institute of Environmental Engineering and Biotechnology, Tampere University of Technology, Tampere, Finland,¹ CSIRO Land and Water, Floreat, Western Australia, Australia,² DSMZ—German Collection of Microorganisms and Cell Cultures, Braunschweig, Germany³

Received 19 December 2005/ Accepted 22 February 2006

Thermophilic sulfate-reducing bacteria were enriched from samples obtained from a geothermal underground mine in Japan. The enrichment cultures contained bacteria affiliated with the genera Desulfotomaculum, Thermanaeromonas, Thermincola, Thermovenabulum, Moorella, "Natronoanaerobium," and Clostridium. Two novel thermophilic sulfate-reducing strains, RL50JIII and RL80JIV, affiliated with the genera Desulfotomaculum and Thermanaeromonas, respectively, were isolated.

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* Corresponding author. Mailing address: Institute of Environmental Engineering and Biotechnology, Tampere University of Technology, P.O. Box 541, FIN-33101 Tampere, Finland. Phone: 358-(0)3-3115 3523. Fax: 358-(0)3-3115 2869. E-mail: anna.kaksonen{at}tut.fi.

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Applied and Environmental Microbiology, May 2006, p. 3759-3762, Vol. 72, No. 5
0099-2240/06/$08.00+0     doi:10.1128/AEM.72.5.3759-3762.2006
Copyright © 2006, American Society for Microbiology. All Rights Reserved.

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