Scaleup of ajmalicine production by plant cell cultures of Catharanthus roseus

J. Schlatmann (Corresponding Author), Anna-Maria Nuutila, Walter van Gulik, H. ten Hoopen, R. Verpoorte, Joseph Heijnen

    Research output: Contribution to journalArticleScientificpeer-review

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    Abstract

    The effect of scaleup on he production of ajmalicine by a Catharanthus roseus cell suspension culture in a selected induction medium were studied. In preliminary experiments it was observed that the culture turned brown and the production was inhibited upon transfer from a shake flask to a stirred bioreactor with forced aeration. Two factors were recognized as the potential origin of the differences between shake flask and bioreactor cultures: gas composition and mechanical shear forces. These factors were studied separately.

    By recirculating a large part of the exhaust gas, a comparable gas regime was obtained in a bioreactor as occurred in a shake flask cultures. This resulted in the absence of browning and a similar pattern of ajmalicine production as observed in shake flasks. The effect of shear forces could not be demonstrated. However, the experiments showed that the culture may be very sensitive to liquid phase concentrations of gaseous compounds. The effects of kLa, aeration rate, CO2 production rate, and influent gas phase CO2 concentration on the liquid phase CO2 concentration are discussed.
    Original languageEnglish
    Pages (from-to)253-262
    Number of pages10
    JournalBiotechnology and Bioengineering
    Volume41
    Issue number2
    DOIs
    Publication statusPublished - 1993
    MoE publication typeA1 Journal article-refereed

    Fingerprint

    Plant cell culture
    Catharanthus
    Plant Cells
    Bioreactors
    Cell Culture Techniques
    Gases
    Batch Cell Culture Techniques
    Liquids
    Exhaust gases
    Suspensions
    Experiments
    raubasine
    Chemical analysis

    Cite this

    Schlatmann, J. ; Nuutila, Anna-Maria ; Gulik, Walter van ; ten Hoopen, H. ; Verpoorte, R. ; Heijnen, Joseph. / Scaleup of ajmalicine production by plant cell cultures of Catharanthus roseus. In: Biotechnology and Bioengineering. 1993 ; Vol. 41, No. 2. pp. 253-262.
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    title = "Scaleup of ajmalicine production by plant cell cultures of Catharanthus roseus",
    abstract = "The effect of scaleup on he production of ajmalicine by a Catharanthus roseus cell suspension culture in a selected induction medium were studied. In preliminary experiments it was observed that the culture turned brown and the production was inhibited upon transfer from a shake flask to a stirred bioreactor with forced aeration. Two factors were recognized as the potential origin of the differences between shake flask and bioreactor cultures: gas composition and mechanical shear forces. These factors were studied separately. By recirculating a large part of the exhaust gas, a comparable gas regime was obtained in a bioreactor as occurred in a shake flask cultures. This resulted in the absence of browning and a similar pattern of ajmalicine production as observed in shake flasks. The effect of shear forces could not be demonstrated. However, the experiments showed that the culture may be very sensitive to liquid phase concentrations of gaseous compounds. The effects of kLa, aeration rate, CO2 production rate, and influent gas phase CO2 concentration on the liquid phase CO2 concentration are discussed.",
    author = "J. Schlatmann and Anna-Maria Nuutila and Gulik, {Walter van} and {ten Hoopen}, H. and R. Verpoorte and Joseph Heijnen",
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    Schlatmann, J, Nuutila, A-M, Gulik, WV, ten Hoopen, H, Verpoorte, R & Heijnen, J 1993, 'Scaleup of ajmalicine production by plant cell cultures of Catharanthus roseus', Biotechnology and Bioengineering, vol. 41, no. 2, pp. 253-262. https://doi.org/10.1002/bit.260410212

    Scaleup of ajmalicine production by plant cell cultures of Catharanthus roseus. / Schlatmann, J. (Corresponding Author); Nuutila, Anna-Maria; Gulik, Walter van; ten Hoopen, H.; Verpoorte, R.; Heijnen, Joseph.

    In: Biotechnology and Bioengineering, Vol. 41, No. 2, 1993, p. 253-262.

    Research output: Contribution to journalArticleScientificpeer-review

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    AU - Schlatmann, J.

    AU - Nuutila, Anna-Maria

    AU - Gulik, Walter van

    AU - ten Hoopen, H.

    AU - Verpoorte, R.

    AU - Heijnen, Joseph

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    AB - The effect of scaleup on he production of ajmalicine by a Catharanthus roseus cell suspension culture in a selected induction medium were studied. In preliminary experiments it was observed that the culture turned brown and the production was inhibited upon transfer from a shake flask to a stirred bioreactor with forced aeration. Two factors were recognized as the potential origin of the differences between shake flask and bioreactor cultures: gas composition and mechanical shear forces. These factors were studied separately. By recirculating a large part of the exhaust gas, a comparable gas regime was obtained in a bioreactor as occurred in a shake flask cultures. This resulted in the absence of browning and a similar pattern of ajmalicine production as observed in shake flasks. The effect of shear forces could not be demonstrated. However, the experiments showed that the culture may be very sensitive to liquid phase concentrations of gaseous compounds. The effects of kLa, aeration rate, CO2 production rate, and influent gas phase CO2 concentration on the liquid phase CO2 concentration are discussed.

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