INDEPENDENT ELICITATION OF THE OXIDATIVE BURST AND PHYTOALEXIN FORMATION IN CULTURED PLANT-CELLS

被引:65
|
作者
DAVIS, D
MERIDA, J
LEGENDRE, L
LOW, PS
HEINSTEIN, P
机构
[1] PURDUE UNIV,DEPT MED CHEM & PHARMACOGNOSY,W LAFAYETTE,IN 47907
[2] PURDUE UNIV,DEPT CHEM,W LAFAYETTE,IN 47907
关键词
GOSSYPIUM-HIRSUTUM; MALVACEAE; GLYCINE-MAX; LEGUMINOSAE; CELL SUSPENSION CULTURES; VERTICILLIUM-DAHLIAE; ELICITATION; PHYTOALEXINS; OXIDATIVE BURST;
D O I
10.1016/S0031-9422(00)95144-6
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
Analysis of components in a crude elicitor preparation (AP-elicitor) from the phytopathogenic fungus Verticillium dahliae 277 demonstrated that a protein moiety appears to be the specific extracellular signal responsible for phytoalexin induction in cotton and soybean cell suspension cultures. However, the carbohydrate portion of the AP-elicitor appeared to be responsible for the induction of the hydrogen peroxide burst. A similar analysis of the endogeneous elicitor polygalacturonic acid (degree of polymerization = 20) showed that only the oxidative activity was induced in soybean and cotton cells but not the formation of phytoalexins.
引用
收藏
页码:607 / 611
页数:5
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