SUMMARY: When a culture of Bacillus licheniformis was shifted from aerobic to anaerobic conditions, lysis occurred unless a fermentable carbon source or a system for nitrate respiration was present. Nitrate reductase was primarily induced by partial or complete anaerobiosis and partially repressed by glucose. The enzyme was repressed and inactivated by high oxygen concentrations. Respiration of bacteria grown anaerobically was 30 to 40% of that of bacteria grown aerobically. Glucose decreased respiration of other substrates in both aerobically and anaerobically grown organisms. No cytochrome a 1 was present after anaerobic growth. Cytochrome c 1 was repressed by glucose; under anaerobic conditions this repression was antagonized by nitrate.
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Schulp et al. (1970) studied this question.
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