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

文献类型: 外文期刊

作者: He, Huyi 2 ; He, Longfei 1 ; Gu, Minghua 1 ;

作者机构: 1.Guangxi Univ, Coll Agron, Nanning 530004, Peoples R China

2.Guangxi Acad Agr Sci, Cash Crops Res Inst, Nanning 530007, Peoples R China

关键词: Nitric oxide;Metal stress;Reactive oxygen species;Hormones;Cross talk;Programmed cell death

期刊名称:BIOMETALS ( 影响因子:2.949; 五年影响因子:2.978 )

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收录情况: SCI

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.

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