Hydrogen sulfide induces Ca2+ signal in guard cells by regulating reactive oxygen species accumulation

被引：4
|
作者：
Gong, Chunmei [1 ]
Shi, Cong [2 ]
Ding, Xueting [2 ]
Liu, Cuixia [2 ]
Li, Jisheng [2 ]
机构：
[1] Northwest A&F Univ, Coll Hort, Yangling, Shaanxi, Peoples R China
[2] Northwest A&F Univ, Coll Life Sci, Yangling 712100, Shaanxi, Peoples R China
来源：
PLANT SIGNALING & BEHAVIOR | 2020年 / 15卷 / 11期
基金：
中国国家自然科学基金;
关键词：
H2S; persulfidation; Ca2+ influx; ROS; CALCIUM;
D O I：
10.1080/15592324.2020.1805228
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：
Hydrogen sulfide (H2S) is an important gas signal molecule, but little is known about its signal mechanism. Ca(2+)is an important second messenger in plant cells, and its fluctuation in the cytoplasm causes downstream physiological responses. Our previous study found that H2S can induce the accumulation of hydrogen peroxide (H2O2). We also found that reactive oxygen species (ROS) can further induce the Ca(2+)influx in guard cells by noninvasive micro-teat technology (NMT). This study confirmed that the accumulation of reactive oxygen species to induce Ca(2+)signal in guard cells, resulting in stomatal closure. Thus, revealing a novel mechanism of H2S promoting stomatal closure.
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页数：3
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