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. 2002 Aug;3(4):348–351. doi: 10.1002/cfg.183

The Heat Shock Response of Mycobacterium Tuberculosis: Linking Gene Expression, Immunology and Pathogenesis

Graham R Stewart 1,✉, Lorenz Wernisch 2, Richard Stabler 3, Joseph A Mangan 3, Jason Hinds 3, Ken G Laing 3, Philip D Butcher 3, Douglas B Young 1
PMCID: PMC2448437  PMID: 18629273

Abstract

The regulation of heat shock protein (HSP) expression is critically important to pathogens such as Mycobacterium tuberculosis and dysregulation of the heat shock response results in increased immune recognition of the bacterium and reduced survival during chronic infection. In this study we use a whole genome spotted microarray to characterize the heat shock response of M. tuberculosis. We also begin a dissection of this important stress response by generating deletion mutants that lack specific transcriptional regulators and examining their transcriptional profiles under different stresses. Understanding the stimuli and mechanisms that govern heat shock in mycobacteria will allow us to relate observed in vivo expression patterns of HSPs to particular stresses and physiological conditions. The mechanisms controlling HSP expression also make attractive drug targets as part of a strategy designed to enhance immune recognition of the bacterium.

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Selected References

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