A CENTRAL ROLE OF SALICYLIC-ACID IN PLANT-DISEASE RESISTANCE

被引：1351

作者：

DELANEY, TP

UKNES, S

VERNOOIJ, B

FRIEDRICH, L

WEYMANN, K

NEGROTTO, D

GAFFNEY, T

GUTRELLA, M

KESSMANN, H

WARD, E

RYALS, J

机构：

[1] CIBA GEIGY CORP,AGR BIOTECHNOL RES UNIT,RES TRIANGLE PK,NC 27709

[2] CIBA GEIGY LTD,DIV SEEDS,CH-4002 BASEL,SWITZERLAND

[3] CIBA GEIGY LTD,DIV PLANT PROTECT,CH-4002 BASEL,SWITZERLAND

来源：

SCIENCE | 1994年 / 266卷 / 5188期

关键词：

D O I：

10.1126/science.266.5188.1247

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

Transgenic tobacco and Arabidopsis thaliana expressing the bacterial enzyme salicylate hydroxylase cannot accumulate salicylic acid (SA). This defect not only makes the plants unable to induce systemic acquired resistance, but also leads to increased susceptibility to viral, fungal, and bacterial pathogens. The enhanced susceptibility extends even to host-pathogen combinations that would normally result in genetic resistance. Therefore, SA accumulation is essential for expression of multiple modes of plant disease resistance.

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页码：1247 / 1250

页数：4

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