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Involvement of nitric oxide (NO) in signal transduction of stomatal opening

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Title: Involvement of nitric oxide (NO) in signal transduction of stomatal opening
Authors: Sakihama, Y. Browse this author →KAKEN DB
Yamasaki, H. Browse this author
Keywords: nitric oxide
stomatal opening
vicia faba
Issue Date: 2001
Publisher: CSIRO
Citation: PS2001 proceedings : 12th international congress on photosynthesis. Aug 2001, Brisbane, Australia
Journal Title: Proceedings of the 12th International Congress on Photosynthesis
Volume: 3
Issue: 1
Start Page: S27-009
Abstract: The stomatal aperture responds to a range of stimuli including light, humidity, CO2, growth regulators and air pollutants. Many papers have conclusively shown that complex signal transduction pathways in guard cells are involved in the regulation of stomatal movements (Schroeder et al 2001; Zeiger 1990). Howerver, the molecular mechanisms for sensing this variety of stimuli has not yet been revealed. Recent papers have suggested that hydrogen peroxide (H2O2) is involved in abscisic acid-induced stomatal closing (Pei et al 2000). H2O2 is a reactive oxygen species (ROS) that can diffuse across lipid bilayers, thereby functioning as an intra- and intercellular signaling molecule in plants and animals (Corpas et al 2001; Finkel 1998). In addition to ROS, NO has attracted considerable interest as another diffusable signaling molecule in animal cells. NO is produced within animal cells and exhibits diverse physiological functions including signal transduction, enzyme regulation and immune response (Knowles and Moncada 1994). It is now evident that NO plays essential roles in animal physiology. Although there is an increasing number of reports indicating that NO could also participate in many physiological responses of plants: pathogen response, programmed cell death and growth (Delledonne et al 1998; Durner and Klessig 1999), our understanding of NO in plants is still very limited. Here we demonstrate that NO is involved in the signal transduction mechanisms for stomatal opening.
Conference Name: International Congress on Photosynthesis
Conference Sequence: 12
Conference Place: Brisbane
Rights: (C)CSIRO Publishing
Type: proceedings (author version)
Appears in Collections:農学院・農学研究院 (Graduate School of Agriculture / Faculty of Agriculture) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 崎浜 靖子

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