PUTATIVE SITES OF CYTOKININ ACTION DURING THEIR ENHANCING EFFECT ON INDOLE ALKALOID ACCUMULATION IN PERIWINKLE CELL-SUSPENSIONS

被引:12
作者
DECENDIT, A [1 ]
PETIT, G [1 ]
ANDREU, F [1 ]
DOIREAU, P [1 ]
MERILLON, JM [1 ]
RIDEAU, M [1 ]
机构
[1] UNIV TOURS,FAC SCI,PHYSIOL VEGETALE LAB,F-37041 TOURS,FRANCE
关键词
D O I
10.1007/BF00233425
中图分类号
Q94 [植物学];
学科分类号
071001 ;
摘要
The effects of cytokinins on the different branches of the indole alkaloid pathway were investigated in Catharanthus roseus cell cultures. Addition of zeatin to a 2,4-dichlorophenoxyacetic acid-containing medium decreased tryptamine levels and increased the bioconversion of secologanin to ajmalicine. Zeatin also enhanced the geraniol-10 hydroxylase activities and modified the indole alkaloid pattern. The results are discussed in the light of previous works showing that cytokinins have a positive effect on indole alkaloid accumulation in some lines of C. roseus.
引用
收藏
页码:710 / 712
页数:3
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