Basic features of the Staphylococcal heat shock response |
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| Authors: | M. Walid Ooronfleh Uldis N. Streips Brian J. Wilkinson |
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| Affiliation: | (1) Department of Microbiology and Immunology, School of Medicine, University of Louisville, 40292 Louisville, Kentucky, USA;(2) Present address: BPS, L-37, Research and Development, Smith Kline Beecham Pharmaceuticals, 709 Swedeland Road, P. O. Box 1539, 19406 King of Prussia, PA, USA;(3) Microbiology Group, Department of Biological Sciences, Illinois State University, 61761 Normal, Illinois, USA |
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| Abstract: | The major heat shock proteins of Staphylococcus aureus had apparent Mrs of 84,000, 76,000, and 60,000, and other prominent proteins of Mrs 66,000, 51,000, 43,000 and 24,000 were also induced. Staphylococcus epidermidis showed a similar response. These proteins were also induced by CdCl2, ethanol and apparently osmotic stress (1.71 M NaCl or 2.25 M sucrose). Most of the proteins sedimented with the membrane fraction, but the Mr 60,000 protein remained in the cytoplasm. |
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| Keywords: | Staphylococcus aureus Staphylococcus epidermidis heat shock response stress proteins |
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