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J Bacteriol. 2002 Mar;184(6):1772-8.

Heat shock proteome of Agrobacterium tumefaciens: evidence for new control systems.

Author information

1
Department of Molecular Microbiology and Biotechnology, George S. Wise Faculty of Life Sciences, Tel Aviv University, Ramat Aviv, Israel.

Abstract

The regulation of Agrobacterium tumefaciens heat shock genes involves a transcriptional activator (RpoH) and repressor elements (HrcA-CIRCE). Using proteome analysis and mutants in these control elements, we show that the heat shock induction of 32 (out of 56) heat shock proteins is independent of RpoH and HrcA. These results indicate the existence of additional regulatory factors in the A. tumefaciens heat shock response.

PMID:
11872730
PMCID:
PMC134891
DOI:
10.1128/jb.184.6.1772-1778.2002
[Indexed for MEDLINE]
Free PMC Article

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