The Anton blood group antigen is the erythrocyte receptor for Haemophilus influenzae |
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Authors: | Loek van Alphen Joyce Poole Marijke Overbeeke |
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Affiliation: | Department of Biology, Ernst-Moritz-Arndt-University, Jahnstrasse 15, DDR-220 Greifswald, G.D.R. |
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Abstract: | Abstract The protein synthesis pattern was investigated in Bacillus subtilis relA + and relA after heat shock using the highly sensitive 2-dimensional O'Farrell technique [1]. The synthesis of several proteins is markedly enhanced upon temperature shift-up in both strains. At 52°C the growth rate is drastically diminished because the synthesis of cellular proteins is inhibited. However, the production of heat-shock proteins is maintained. The synthesis of some of these presumptive heat-shock proteins is stimulated at 37°C in cells treated with H2O2 as well as with norvaline, which induces a guanosine tetraphosphate (ppGpp)-dependent stringent response. |
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Keywords: | Bacillus subtilis heat-shock proteins guanosine tetraphosphate hydrogen peroxide amino acid starvation |
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