EFFECT OF PHYTOPHTHORA-INFESTANS INFECTION ON SUPEROXIDE-DISMUTASE DEPENDENT CYTOCHROME-C - REDUCING ACTIVITIES OF LEAVES AS RELATED TO RESISTANCE OF POTATO PLANTS TO LATE BLIGHT

被引：5

作者：

IVANOVA, DG ^{[1
]}

GUGHOVA, NV ^{[1
]}

MERZLYAK, MN ^{[1
]}

RASSADINA, GV ^{[1
]}

机构：

[1] MV LOMONOSOV STATE UNIV,FAC BIOL,DEPT CELL PHYSIOL & IMMUNOL,MOSCOW 119899,USSR

来源：

PLANT SCIENCE | 1991年 / 78卷 / 02期

关键词：

POTATO; LEAVES; ASEPTIC PLANTS; PHYTOPHTHORA-INFESTANS; SUPEROXIDE; PLANT RESISTANCE;

D O I：

10.1016/0168-9452(91)90193-C

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：

The time-course and phenomenology of superoxide production during compatible and incompatible interactions of the potato, Phytophthora infestants system were studied in the potato plants grown in 'aseptic' conditions by assaying superoxide dismutase-inhibited cytochrome c reducing activities after fungal penetration were dependent on the plant susceptibility to P. infestans. Superoxide dismutase-sensitive cytochrome c reducing activity was also found in both leaf tissues and diffusates 17 - -20 h after infection of potato plants by compatible races of P. infestans. The pattern of O2 - -production in cultivars having high field resistance to late blight was shown to be similar to that in incompatible interactions. The participation of activated oxygen species in vertical and horizontal resistance of potato plants are discussed.

引用

页码：151 / 156

页数：6

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