2.3.1.107 dithiothreitol essential to maintain enzyme activity 486111 2.3.1.107 jasmonate enhances the vindoline accumulation in in vitro shoot cultures 655109 2.3.1.107 additional information 16 h photoperiod treatment of shoot cultures followed by synchronized formation of new plantlets, peaks of activity at day 12, 20 and 28 after photoperiod treatment 684439