Abstract
Callus cultures of Ambrosia tenuifolia were established from sub-apical leaves. The explants were grown on basal media MS (Murashige and Skoog) supplemented with 10 μM kinetin, 1 μM 2-4 dichlorophenoxyacetic, ascorbic acid and cysteine and cultivated either in light or darkness. To determine the effect of each individual salt component on the growing rate of the callus and the psilostachyinolides and altamisine production in the culture, the concentrations of each nutrient was tested at different levels, ranging from 50% above to 50% below the standard medium. Interestingly, increased concentration of boron in the medium, resulted in a four fold increase in the production of sesquiterpene lactones by the callus. However, positive production of psilostachynolides and altamisine was only detected when the basal concentrations of the others components of the basal media were used. In addition, production of altamisine was highly sensitive to the variations of nutrients. No statiscally effect on terpenoide production by the callus was detected by varying light exposure. These results indicates that conditions for the optimal production of these terpenoids can be enhanced by modifying nutrients of the MS basal media.
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Goleniowski, M., Trippi, V.S. Effect of growth medium composition on psilostachyinolides and altamisine production. Plant Cell, Tissue and Organ Culture 56, 215–218 (1999). https://doi.org/10.1023/A:1006273927530
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DOI: https://doi.org/10.1023/A:1006273927530