A SOYBEAN PERIBACTEROID SPACE COMPONENT, RIBOFLAVIN, REPRESSES DAIDZEIN-INDUCED COMMON NOD-GENE EXPRESSION IN BRADYRHIZOBIUM-JAPONICUM

被引:3
作者
MELLOR, RB [1 ]
ROSENDAHL, L [1 ]
机构
[1] UNIV BASEL, INST BOT, CH-4056 BASEL, SWITZERLAND
关键词
GLYCINE MAX; NOD-GENE EXPRESSION; PERIBACTEROID SPACE; RIBOFLAVIN; SYMBIOSIS;
D O I
10.1016/S0176-1617(11)80988-0
中图分类号
Q94 [植物学];
学科分类号
071001 ;
摘要
The nodulation of soya (Glycine max) roots could be severely inhibited by treating the symbiotic bacteria (Bradyrhizobium japonicum) with nodule-derived peribacteroid space fractions. Riboflavin, a prominent peribacteroid space component, could mimic this effect. Daidzein-stimulated beta-galactosidase expression, associated with a plasmid (pRJ458) bearing a B. japonicum nodD2D1YABC'-'lacZ construct in a B. japonicum background, was repressed in the presence of both peribacteroid space fractions and riboflavin.
引用
收藏
页码:34 / 37
页数:4
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