The diversity of nitric oxide function in plant responses to metal stress

被引：31
|
作者：
He, Huyi [1 ,2 ]
He, Longfei [1 ]
Gu, Minghua [1 ]
机构：
[1] Guangxi Univ, Coll Agron, Nanning 530004, Peoples R China
[2] Guangxi Acad Agr Sci, Cash Crops Res Inst, Nanning 530007, Peoples R China
来源：
BIOMETALS | 2014年 / 27卷 / 02期
基金：
中国国家自然科学基金;
关键词：
Nitric oxide; Metal stress; Reactive oxygen species; Hormones; Cross talk; Programmed cell death; S-NITROSOGLUTATHIONE REDUCTASE; PROGRAMMED CELL-DEATH; CADMIUM TOXICITY; ARABIDOPSIS-THALIANA; HYDROGEN-PEROXIDE; GENE-EXPRESSION; COPPER TOXICITY; PEA-PLANTS; CROSS-TALK; ACCUMULATION;
D O I：
10.1007/s10534-014-9711-1
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) emerges as signalling molecule, which is involved in diverse physiological processes in plants. High mobility metal interferes with NO signaling. The exogenous NO alleviates metal stress, whereas endogenous NO contributes to metal toxicity in plants. Owing to different cellular localization and concentration, NO may act as multifunctional regulator in plant responses to metal stress. It not only plays a crucial role in the regulation of gene expression, but serves as a long-distance signal. Through tight modulation of redox signaling, the integration among NO, reactive oxygen species and stress-related hormones in plants determines whether plants stimulate death pathway or activate survival signaling.
引用
收藏
页码：219 / 228
页数：10
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