期刊
FRONTIERS IN PLANT SCIENCE
卷 7, 期 -, 页码 -出版社
FRONTIERS MEDIA SA
DOI: 10.3389/fpls.2016.00230
关键词
hydrogen peroxide (H2O2); nitric oxide (NO); calcium (Ca2+); signal molecule; crosstalk
资金
- National Natural Science Foundation of China [31160398, 31560563]
- Post Doctoral Foundation of China [20100470887, 2012T50828]
- Key Project of Chinese Ministry of Education [211182]
- Research Fund for the Doctoral Program of Higher Education [20116202120005]
- Natural Science Foundation of Gansu References Province, China [1308RJZA179, 1308RJZA262]
- Fundamental Research Funds for Universities in Gansu, P. R. China
Hydrogen peroxide (H2O2), as a reactive oxygen species, is widely generated in many biological systems. It has been considered as an important signaling molecule that mediates various physiological and biochemical processes in plants. Normal metabolism in plant cells results in H2O2 generation, from a variety of sources. Also, it is now clear that nitric oxide (NO) and calcium (Ca2+) function as signaling molecules in plants. Both H2O2 and NO are involved in plant development and abiotic responses. A wide range of evidences suggest that NO could be generated under similar stress conditions and with similar kinetics as H2O2. The interplay between H2O2 and NO has important functional implications to modulate transduction processes in plants. Moreover, close interaction also exists between H2O2 and Ca2+ in response to development and abiotic stresses in plants. Cellular responses to H2O2 and Ca2+ signaling systems are complex. There is quite a bit of interaction between H2O2 and Ca2+ signaling in responses to several stimuli. This review aims to introduce these evidences in our understanding of the crosstalk among H2O2, NO, and Ca2+ signaling which regulates plant growth and development, and other cellular and physiological responses to abiotic stresses.
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