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Journal of Bacteriology, October 2002, p. 5518-5523, Vol. 184, No. 19
0021-9193/02/$04.00+0     DOI: 10.1128/JB.184.19.5518-5523.2002
Copyright © 2002, American Society for Microbiology. All Rights Reserved.

Cold Shock Induction of the cspL Gene in Lactobacillus plantarum Involves Transcriptional Regulation

Sylviane Derzelle,{dagger} Bernard Hallet, Thierry Ferain,{ddagger} Jean Delcour, and Pascal Hols*

Institut des Sciences de la Vie/Unité de Génétique, Université Catholique de Louvain, B-1348 Louvain-la-Neuve, Belgium

Received 21 February 2002/ Accepted 25 June 2002

Fragments of the cspL promoter region were fused to the gusA reporter and reintroduced into Lactobacillus plantarum cells, either on multicopy plasmids or through single-copy chromosomal integration. ß-Glucuronidase activity and primer extension data demonstrate that the cspL promoter is induced in response to cold shock and that multicopy constructs quench the induction of the resident cspL gene.

* Corresponding author. Mailing address: Université Catholique de Louvain, Unité de Génétique, Place Croix du Sud 5, B-1348 Louvain-la-Neuve, Belgium. Phone: 32-10-478896. Fax: 32-10-473109. E-mail: hols{at}gene.ucl.ac.be.

{dagger} Present address: Génétique des génomes bactériens, Institut Pasteur, F-75724 Paris Cedex 15, France.

{ddagger} Present address: Euroscreen S. A., B-1070 Brussels, Belgium.

Journal of Bacteriology, October 2002, p. 5518-5523, Vol. 184, No. 19
0021-9193/02/$04.00+0     DOI: 10.1128/JB.184.19.5518-5523.2002
Copyright © 2002, American Society for Microbiology. All Rights Reserved.



This article has been cited by other articles:

  • Derzelle, S., Hallet, B., Ferain, T., Delcour, J., Hols, P. (2003). Improved Adaptation to Cold-Shock, Stationary-Phase, and Freezing Stresses in Lactobacillus plantarum Overproducing Cold-Shock Proteins. Appl. Environ. Microbiol. 69: 4285-4290 [Abstract] [Full Text]  


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