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  • Title: Growth and production kinetics of a teicoplanin producing strain of Actinoplanes teichomyceticus.
    Author: Heydorn A, Suhr-Jessen T, Nielsen J.
    Journal: J Antibiot (Tokyo); 1999 Jan; 52(1):40-4. PubMed ID: 10092196.
    Abstract:
    The growth and production kinetics of a teicoplanin producing strain of Actinoplanes teichomyceticus (ATCC 31121) was investigated during batch cultivations on defined media. The growth was characterised by two exponential growth phases (EGPs), with a higher specific growth rate in the first than in the second phase. Also the specific rate of formation of teicoplanin was significantly lower in the second phase than in the first phase. This two-phased growth pattern was suggested to be caused by inhibition of growth by teicoplanin accumulated. Furthermore high concentrations of ammonia or phosphate reduced both the specific growth rate in the first EGP and the total production of teicoplanin.
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