Enhancement of mustard oil yield by cellulolytic pretreatment |
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| Authors: | M. Szakács-Dobozi A. Halász E. Kozma-Kovács G. Szakács |
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| Affiliation: | (1) Laboratoire de Microbiologie Industrielle, E.N.S.A.I.A., Institut National Polytechnique de Lorraine, Nancy, France;(2) 2 Av. de la forêt de Haye, 54500 Vandoeuvre Les Nancy, France |
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| Abstract: | Summary When cultivated in chemically defined medium, Streptomyces clavuligerus produces cephamycin C. This biosynthesis is greatly inhibited when the bacteria develop rapidly in batch culture. The decrease in cephamycin C biosynthesis is paralleled by a decrease in expandase biosynthesis. This negative effect can be observed whatever the limiting growth substrate (glycerol, ammonium or phosphate), a phenomenon which was confirmed when S. clavuligerus was cultivated in a chemostat. |
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