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Journal of Bacteriology, January 2003, p. 683-687, Vol. 185, No. 2
0021-9193/03/$08.00+0     DOI: 10.1128/JB.185.2.683-687.2003
Copyright © 2003, American Society for Microbiology. All Rights Reserved.

clpP of Streptococcus salivarius Is a Novel Member of the Dually Regulated Class of Stress Response Genes in Gram-Positive Bacteria

Arnaud Chastanet and Tarek Msadek*

Unité de Biochimie Microbienne, Institut Pasteur, URA 2172 du Centre National de la Recherche Scientifique, 75724 Paris Cedex 15, France

Received 18 July 2002/ Accepted 18 October 2002

Nucleotide sequence analysis of the Streptococcus salivarius clpP locus revealed potential binding sites for both the CtsR and HrcA repressors. Dual regulation by HrcA and CtsR was demonstrated by using Bacillus subtilis as a heterologous host, and CtsR was shown to bind directly to the clpP promoter sequence. This is the first example of a clpP gene under the control of HrcA.


* Corresponding author. Mailing address: Unité de Biochimie Microbienne, Institut Pasteur, 25 rue du Dr. Roux, 75724 Paris Cedex 15, France. Phone: (33) 1 45 68 88 09. Fax: (33) 1 45 68 89 38. E-mail: tmsadek{at}pasteur.fr.


Journal of Bacteriology, January 2003, p. 683-687, Vol. 185, No. 2
0021-9193/03/$08.00+0     DOI: 10.1128/JB.185.2.683-687.2003
Copyright © 2003, American Society for Microbiology. All Rights Reserved.




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