Nitric oxide signaling in plant-pathogen interactions

被引：30

作者：

Romero-Puertas, MC ^{[1
]}

Delledonne, M ^{[1
]}

机构：

[1] Univ Verona, Dipartimento Sci & Tecnol, I-37134 Verona, Italy

来源：

IUBMB LIFE | 2003年 / 55卷 / 10-11期

关键词：

cell death; hypersensitive response; nitric oxide; reactive oxygen species; systemic acquired resistance;

D O I：

10.1080/15216540321001639274

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：

Nitric oxide (NO), first characterized as an endothelium-derived relaxation factor, is involved in diverse cellular processes including neuronal signaling, blood pressure homeostasis, and immune response. Recent studies have also revealed a role for NO as a signaling molecule in plants. As a developmental regulator, NO promotes germination, leaf extension and root growth, and delays leaf senescence and fruit maturation. Moreover, NO acts as a key signal in plant resistance to incompatible pathogens by triggering resistance-associated hypersensitive cell death. In addition, NO activates the expression of several defense genes (e.g. pathogenesis-related genes, phenylalanine ammonialyase, chalcone synthase) and could play a role in pathways leading to systemic acquired resistance.

引用

页码：579 / 583

页数：5

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