Anthocyanin-producing callus cultures from in vitro sour cherry (Prunus cerasus L.) leaf tissues were established. As in the parent leaf tissues, the calli extracts showed the synthesis of a prevalent anthocyanin, cyanidin 3-glucoside. When the dark grown callus cultures were exposed to the light, cyanidin 3-glucoside content was increased from 0.1 to 4.5 mg 100 g-1 fresh weight. Thus, of the available strategies for the enhancement of pigment production light resulted the triggering factor in this cell system. The addition of 50 μM jasmonic acid to the culture medium stimulated cyanidin 3-glucoside synthesis which resulted in an earlier appearance of pigment on the calli.
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