An alkaline shift induces the heat shock response in Escherichia coli
نویسندگان
چکیده
منابع مشابه
The heat shock response of Escherichia coli.
A large variety of stress conditions including physicochemical factors induce the synthesis of more than 20 heat shock proteins (HSPs). In E. coli, the heat shock response to temperature upshift from 30 to 42 degrees C consists of the rapid induction of these HSPs, followed by an adaptation period where the rate of HSP synthesis decreases to reach a new steady-state level. Major HSPs are molecu...
متن کاملEscherichia coli heat-shock proteins
lstituto di Microbiologia’ and lstituto di Clinica Dermosif ilopaticaz, Seconda Universita degli Studi di Napoli, Facolta di Medicina e Chirurgia, Larghetto S.Aniello a Caponapoli, 2,801 38 Napoli, Italy Bacterial heat-shock proteins (HSPs) from Escherichia co/i (GroES, GroEL and DnaK) were studied for their ability to induce by themselves the expression and release of tumour necrosis factor-a ...
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Sensing a sudden change of the growth temperature, all living organisms produce heat shock proteins or cold shock proteins to adapt to a given temperature. In a heat shock response, the heat shock sigma factor plays a major role in the induction of heat shock proteins including molecular chaperones and proteases, which are well-conserved from bacteria to human. In contrast, no such a sigma fact...
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INTRODUCTION Vascular hyporeactivity is an important problem associated with sepsis. Although the mechanism involves inflammatory pathway activation, specific therapeutic approaches have not been defined. Glutamine (Gln) has been shown to provide some anti-inflammatory effects and improve outcomes in sepsis. Here, we tested the hypothesis that Gln could reduce Escherichia coli lipopolysaccharid...
متن کاملEscherichia coli LPS induces heat shock protein 25 in intestinal epithelial cells through MAP kinase activation.
Protection of colonic epithelial integrity and function is critical, because compromises in mucosal functions can lead to adverse and potentially life-threatening effects. The gut flora may contribute to this protection, in part, through the sustained induction of cytoprotective heat shock proteins (HSPs) in surface colonocytes. In this study, we investigated whether Escherichia coli LPS mediat...
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ژورنال
عنوان ژورنال: Journal of Bacteriology
سال: 1987
ISSN: 0021-9193,1098-5530
DOI: 10.1128/jb.169.2.885-887.1987