Abstract
The E. coli mutants LMM1010 and LMM1030, which were previously isolated on the basis of their pressure resistance, are demonstrated here to show cross-resistance to acid, reactive oxygen and/or heat. Analysis of protein expression revealed derepression of common heat shock proteins in both mutants under non-stress conditions. Heat shock treatment of the parent strain resulted in transient induction of heat shock proteins, and enhanced its survival at moderate pressures (220 MPa). However, heat shock did not protect the parent strain from inactivation at higher pressures (500 MPa). Hence, overexpression of heat shock proteins seems not sufficient to explain the high level of pressure resistance in the mutants.
Access this chapter
Tax calculation will be finalised at checkout
Purchases are for personal use only
Preview
Unable to display preview. Download preview PDF.
Similar content being viewed by others
References
Hauben, K. et al. (1997); Escherichia coli mutants resistant to inactivation by high hydrostatic pressure; Appl. Environ. Microbiol., 63, 945–955.
Nyström, T. and Neidhardt, F.C. (1992); Cloning, mapping and nucleotide sequencing of a gene encoding a universal stress protein in Escherichia coli; Mol. Microbiol 6 3187–3198.
Rockabrand, D. et al.(1995); An essential role of the Escherichia coliDnaK protein in starvation-induced thermotolerance, H2O2 resistance, and reductive division; J Bacteriol., 177, 3695–3703.
Rockabrand, D. et al.(1998); Roles of DnaK and RpoS in starvation-induced thermotolerance of Escherichia coli; J. Bacteriol., 180, 846–854
Author information
Authors and Affiliations
Editor information
Editors and Affiliations
Rights and permissions
Copyright information
© 1999 Springer-Verlag Berlin Heidelberg
About this paper
Cite this paper
Hauben, K., Nyström, T., Farewell, A., Michiels, C. (1999). Multiple Stress Resistance in Pressure Resistant Escherichia coli Mutants. In: Ludwig, H. (eds) Advances in High Pressure Bioscience and Biotechnology. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-60196-5_6
Download citation
DOI: https://doi.org/10.1007/978-3-642-60196-5_6
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-642-64300-2
Online ISBN: 978-3-642-60196-5
eBook Packages: Springer Book Archive