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UV-B-induced stomatal closure occurs via ethylene-dependent NO generation in Vicia faba
He, JM (He, Junmin)[1]; Zhang, Z (Zhang, Zhan)[1]; Wang, RB (Wang, Ruibin)[1]; Chen, YP (Chen, Yiping)[2]
2011
Source PublicationFUNCTIONAL PLANT BIOLOGY
Volume38Issue:4Pages:293-302
Subtype期刊论文
Abstract

The role of ethylene and the relationship between ethylene and nitric oxide (NO) in ultraviolet B (UV-B)-induced stomatal closure were investigated in Vicia faba L. (broad bean) plants by epidermal strip bioassay, laser-scanning confocal microscopy and assay of ethylene production. In response to UV-B radiation, the rise of NO level in guard cells was after ethylene evolution peak, but preceded stomatal closure. Both UV-B-induced NO generation in guard cells and subsequent stomatal closure were substantially inhibited not only by NO scavenger and nitrate reductase (NR) inhibitors, but also by interfering with ethylene synthesis or perception. Although exogenous NO could reverse the inhibitive effect of interfering with ethylene synthesis or perception on UV-B-induced stomatal closure, the inhibitive effect of NO scavenger and NR inhibitors on UV-B-induced stomatal closure could not be rescued by exogenous ethylene. Taken together, our results clearly show that ethylene participates in the UV-B-induced stomatal closure and acts upstream of the NR source of NO generation in V. faba.

Keywordethene nitric oxide generation stomatal movement UV-B radiation Vicia faba
DOI10.1071/FP10219
Indexed BySCI
Language英语
Citation statistics
Cited Times:16[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ieecas.cn/handle/361006/10293
Collection生态环境研究室
Corresponding AuthorHe, JM (He, Junmin)[1]
Affiliation1.School of Life Sciences, Shaanxi Normal University, 199 South Chang’an Road, Xi’an 710062,People’s Republic of China;
2.Institute of Earth Environment, Chinese Academy of Sciences, Xi’an 710075, People’s Republic of China
Recommended Citation
GB/T 7714
He, JM ,Zhang, Z ,Wang, RB ,et al. UV-B-induced stomatal closure occurs via ethylene-dependent NO generation in Vicia faba[J]. FUNCTIONAL PLANT BIOLOGY,2011,38(4):293-302.
APA He, JM ,Zhang, Z ,Wang, RB ,&Chen, YP .(2011).UV-B-induced stomatal closure occurs via ethylene-dependent NO generation in Vicia faba.FUNCTIONAL PLANT BIOLOGY,38(4),293-302.
MLA He, JM ,et al."UV-B-induced stomatal closure occurs via ethylene-dependent NO generation in Vicia faba".FUNCTIONAL PLANT BIOLOGY 38.4(2011):293-302.
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