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Optimization of the Medium and Cultivation Conditions of Penicillium roquefortii f39 Producing the Diketopiperazine Alkaloid Roquefortine

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Abstract

We optimized the medium for cultivation of Penicillium roquefortii f39, a producer of roquefortine. In this medium, the roquefortine yield increased 1.5–2-fold. An increase in roquefortine content was associated with high biomass yield, but not with an increase in biosynthetic activity of the mycelium. Direct correlation was found between extracellular roquefortine concentration and the amount of the inoculum. The use of sucrose in the inoculum medium allowed us to increase the concentration of roquefortine during fermentation to 90 mg/l.

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Authors and Affiliations

  1. Institute of Biochemistry and Physiology of Microorganisms, Russian Academy of Sciences, pr. Nauki 5, Pushchino, Moscow oblast, 142290, Russia

    D. M. Boichenko, N. F. Zelenkova, M. U. Arinbasarov & T. A. Reshetilova

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  1. D. M. Boichenko
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  2. N. F. Zelenkova
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  3. M. U. Arinbasarov
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  4. T. A. Reshetilova
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Boichenko, D.M., Zelenkova, N.F., Arinbasarov, M.U. et al. Optimization of the Medium and Cultivation Conditions of Penicillium roquefortii f39 Producing the Diketopiperazine Alkaloid Roquefortine. Applied Biochemistry and Microbiology 38, 222–225 (2002). https://doi.org/10.1023/A:1015411106002

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