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Journal of Clinical Microbiology, August 2006, p. 3015-3020, Vol. 44, No. 8
0095-1137/06/$08.00+0     doi:10.1128/JCM.02024-05
Copyright © 2006, American Society for Microbiology. All Rights Reserved.

Genetic Diversity of Competence Gene Loci in Clinical Genotypes of Streptococcus mutans

Marlise I. Klein,1 Sungyon Bang,2 Flávia M. Flório,1 José Francisco Höfling,1 Reginaldo B. Gonçalves,1 Daniel J. Smith,3 and Renata O. Mattos-Graner1*

Department of Microbiology and Immunology, Piracicaba School of Dentistry, University of Campinas, São Paulo, Brazil,1 Harvard School of Dental Medicine,2 Department of Immunology, The Forsyth Institute, Boston, Massachusetts3

Received 27 September 2005/ Returned for modification 20 January 2006/ Accepted 26 May 2006

The frequencies of 21 competence genes were analyzed in 94 genotypes of Streptococcus mutans. These include those of a main regulatory system (comCDE), structural, and other regulatory orthologues identified in the genome of strain UA159. PCR and Southern blot analysis revealed that all genes are widespread within the species.

* Corresponding author. Mailing address: Faculdade de Odontologia de Piracicaba-UNICAMP, Departamento de Microbiologia e Imunologia, Av. Limeira, 901, CEP 13414-903 Piracicaba, São Paulo, Brazil. Phone: 55 19 3412 5379. Fax: 55 19 3412 5218. E-mail: rmgraner{at}fop.unicamp.br.

Journal of Clinical Microbiology, August 2006, p. 3015-3020, Vol. 44, No. 8
0095-1137/06/$08.00+0     doi:10.1128/JCM.02024-05
Copyright © 2006, American Society for Microbiology. All Rights Reserved.



This article has been cited by other articles:

  • Caufield, P. W., Saxena, D., Fitch, D., Li, Y. (2007). Population Structure of Plasmid-Containing Strains of Streptococcus mutans, a Member of the Human Indigenous Biota. J. Bacteriol. 189: 1238-1243 [Abstract] [Full Text]  


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