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Journal of Bacteriology, February 2001, p. 1491-1494, Vol. 183, No. 4
0021-9193/01/$04.00+0   DOI: 10.1128/JB.183.4.1491-1494.2001
Copyright © 2001, American Society for Microbiology. All rights reserved.

Multiple Regulatory Mechanisms Act on the 5' Untranslated Region of the S-Layer Gene from Thermus thermophilus HB8

Pablo Castán,1 Miguel A. de Pedro,1 Cristina Risco,2 Cristina Vallés,1 Luis A. Fernández,3 Heinz Schwarz,4 and José Berenguer1,*

Departamento and Centro de Biología Molecular Severo Ochoa, CSIC---UAM,1 and Departamento de Estructura de Macromoléculas2 and Departamento de Biotecnología Microbiana,3 Centro Nacional de Biotecnología, CSIC Campus de Cantoblanco, Madrid 28049, Spain, and Max Plank Institut für Entwicklungsbiologie, D-72076 Tübingen, Germany4

Received 2 October 2000/Accepted 23 November 2000

The role of the 5' untranslated region (5'UTR) of the S-layer gene from Thermus thermophilus was analyzed through the isolation of Delta 5'UTR mutants. In these mutants the half-life of splA mRNA was strongly reduced and slpA transcription was no longer subjected to growth phase-dependent repression. Overproduction and detachment of the external envelopes of the mutants were observed in stationary phase.

* Corresponding author. Mailing address: Centro Biología Molecular Severo Ochoa, CSIC---UAM, Campus de Cantoblanco, Madrid 28049, Spain. Phone: 34 91 3978099. Fax: 34 91 3978087. E-mail: jberenguer{at}cbm.uam.es.

Journal of Bacteriology, February 2001, p. 1491-1494, Vol. 183, No. 4
0021-9193/01/$04.00+0   DOI: 10.1128/JB.183.4.1491-1494.2001
Copyright © 2001, American Society for Microbiology. All rights reserved.


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Copyright © 2001 by the American Society for Microbiology. All rights reserved.