期刊
BIOMETALS
卷 27, 期 2, 页码 219-228出版社
SPRINGER
DOI: 10.1007/s10534-014-9711-1
关键词
Nitric oxide; Metal stress; Reactive oxygen species; Hormones; Cross talk; Programmed cell death
资金
- National Natural Science Foundation of China [30960181, 31260296]
- Guangxi Innovation Program for Graduates [GXU11T31076]
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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