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Translocation of mycobacillin synthetase in Bacillus subtilis.

By N K Mukhopadhyay, S K Ghosh, S Majumder and S K Bose


The extracellular release of mycobacillin from Bacillus subtilis first occurred in the medium at the onset of stationary phase and continued at a high rate even after 6 days. Mycobacillin synthetase activity appeared earlier than late-exponential phase in the cytosol of producer cells and was not sedimentable even at 105 000 g. The activity then quickly reached the maximum late in the stationary phase. With further increase in the age of the culture, the activity gradually disappeared from the cytosol, to reappear concomitantly in the membrane in an insoluble particulate form, even in absence of protein synthesis. The membrane-bound synthetase activity was sedimentable at 10 000 g and was fairly active even after 5 days

Topics: Research Article
Year: 1985
DOI identifier: 10.1042/bj2250639
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Provided by: PubMed Central
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