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Journal of Bacteriology, August 2007, p. 5779-5781, Vol. 189, No. 15
0021-9193/07/$08.00+0     doi:10.1128/JB.00453-07
Copyright © 2007, American Society for Microbiology. All Rights Reserved.

Thermoregulation of Escherichia coli hchA Transcript Stability{triangledown}

Aviram Rasouly, Yotam Shenhar, and Eliora Z. Ron*

Department of Molecular Microbiology and Biotechnology, George S. Wise Faculty of Life Sciences, Tel Aviv University, Tel Aviv, Israel, 69978

Received 27 March 2007/ Accepted 18 May 2007

The conserved chaperone Hsp31 of Escherichia coli is transcribed at low temperatures by {sigma}S and repressed by H-NS, whereas at high temperature, transcription is by {sigma}70 independently of both {sigma}S and H-NS. Here we present evidence for an additional, novel, temperature-dependent control of Hsp31 expression by increased transcript stability.

* Corresponding author. Mailing address: Department of Molecular Microbiology and Biotechnology, George S. Wise Faculty of Life Sciences, Tel Aviv University, Tel Aviv, Israel, 69978. Phone: 972-3-6409379. Fax: 972-36414138. E-mail: eliora{at}post.tau.ac.il

{triangledown} Published ahead of print on 25 May 2007.

Journal of Bacteriology, August 2007, p. 5779-5781, Vol. 189, No. 15
0021-9193/07/$08.00+0     doi:10.1128/JB.00453-07
Copyright © 2007, American Society for Microbiology. All Rights Reserved.





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