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Applied and Environmental Microbiology, October 2008, p. 6141-6143, Vol. 74, No. 19
0099-2240/08/$08.00+0     doi:10.1128/AEM.00994-08
Copyright © 2008, American Society for Microbiology. All Rights Reserved.

Resolution of Culture Clostridium bifermentans DPH-1 into Two Populations, a Clostridium sp. and Tetrachloroethene-Dechlorinating Desulfitobacterium hafniense Strain JH1{triangledown}

Kelly E. Fletcher,1 Kirsti M. Ritalahti,1 Kurt D. Pennell,1,3 Kazuhiro Takamizawa,4 and Frank E. Löffler1,2*

School of Civil and Environmental Engineering,1 School of Biology, Georgia Institute of Technology, 311 Ferst Drive, Atlanta, Georgia 30332,2 Department of Neurology, Emory University School of Medicine, 615 Michael Street, Atlanta, Georgia 30322,3 Department of Applied Life Sciences, Gifu University, 1-1 Yanagido, Gifu 5011193, Japan4

Received 2 May 2008/ Accepted 8 August 2008

Clostridium bifermentans strain DPH-1 reportedly dechlorinates tetrachloroethene (PCE) to cis-1,2-dichloroethene. Cultivation-based approaches resolved the DPH-1 culture into two populations: a nondechlorinating Clostridium sp. and PCE-dechlorinating Desulfitobacterium hafniense strain JH1. Strain JH1 carries pceA, encoding a PCE reductive dehalogenase, and shares other characteristics with Desulfitobacterium hafniense strain Y51.

* Corresponding author. Mailing address: Georgia Institute of Technology School of Civil and Environmental Engineering, 311 Ferst Drive, 3228 ES&T Building, Atlanta, GA 30332-0512. Phone: (404) 894-0279. Fax: (404) 894-8266. E-mail: frank.loeffler{at}ce.gatech.edu

{triangledown} Published ahead of print on 15 August 2008.

Applied and Environmental Microbiology, October 2008, p. 6141-6143, Vol. 74, No. 19
0099-2240/08/$08.00+0     doi:10.1128/AEM.00994-08
Copyright © 2008, American Society for Microbiology. All Rights Reserved.





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