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Applied and Environmental Microbiology, November 2005, p. 7618-7620, Vol. 71, No. 11
0099-2240/05/$08.00+0     doi:10.1128/AEM.71.11.7618-7620.2005
Copyright © 2005, American Society for Microbiology. All Rights Reserved.

SHORT REPORT

Comparison of the Levels of Heat Resistance of Wild-Type, cpe Knockout, and cpe Plasmid-Cured Clostridium perfringens Type A Strains

Deepa Raju and Mahfuzur R. Sarker*

Department of Microbiology, Oregon State University, Corvallis, Oregon 97331

Received 25 January 2005/ Accepted 28 June 2005

An enterotoxin (cpe) plasmid was cured from a Clostridium perfringens non-food-borne gastrointestinal disease (NFBGID) isolate, and the heat resistance levels of wild-type, cpe knockout, and cpe plasmid-cured strains were compared. Our results demonstrated that (i) wild-type cpe has no influence in mediating high-level heat resistance in C. perfringens and (ii) the cpe plasmid does not confer heat sensitivity on NFBGID isolates.

* Corresponding author. Mailing address: Department of Microbiology, Oregon State University, 220 Nash Hall, Corvallis, OR 97331. Phone: (541) 737-2950. Fax: (541) 737-0496. E-mail: sarkerm{at}oregonstate.edu.

Applied and Environmental Microbiology, November 2005, p. 7618-7620, Vol. 71, No. 11
0099-2240/05/$08.00+0     doi:10.1128/AEM.71.11.7618-7620.2005
Copyright © 2005, American Society for Microbiology. All Rights Reserved.



This article has been cited by other articles:

  • Orsburn, B., Melville, S. B., Popham, D. L. (2008). Factors Contributing to Heat Resistance of Clostridium perfringens Endospores. Appl. Environ. Microbiol. 74: 3328-3335 [Abstract] [Full Text]  
  • Li, J., McClane, B. A. (2006). Further Comparison of Temperature Effects on Growth and Survival of Clostridium perfringens Type A Isolates Carrying a Chromosomal or Plasmid-Borne Enterotoxin Gene.. Appl. Environ. Microbiol. 72: 4561-4568 [Abstract] [Full Text]  


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