Abstract
The formation of the exoenzymes, neutral and alkaline proteinase as well as α-amylase ofBacillus subtilis, is characterized by the same time course. The exoenzyme formation starts in the exponential phase of growth by an excess of C and N sources. We assume that carbon metabolism of pyruvate is responsible for the exoenzyme formation during this growth phase. The proteinase formation at the transient and/or stationary phase of growth is related to amino acid limitation.
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We wish to thank Dr. J. Chaloupka for valuable discussions. Special thanks as well go to Dr. M. Krüger (Institute of Technical Microbiology, Berlin) for analyzing the amino acids. Furthermore we thank J. Dorn and B. Brandt for excellent technical assistance.
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Liebs, P., Riedel, K., Graba, J.P. et al. Formation of some extracellular enzymes during the exponential growth ofBacillus subtilis . Folia Microbiol 33, 88–95 (1988). https://doi.org/10.1007/BF02928073
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DOI: https://doi.org/10.1007/BF02928073