Stomatal response to blue light in crassulacean acid metabolism plants Kalanchoe pinnata and Kalanchoe daigremontiana

Eiji Gotoh, Kohei Oiwamoto, Shin Ichiro Inoue, Ken Ichiro Shimazaki, Michio Doi

研究成果: ジャーナルへの寄稿記事

抄録

Blue light (BL) is a fundamental cue for stomatal opening in both C 3 and C 4 plants. However, it is unknown whether crassulacean acid metabolism (CAM) plants open their stomata in response to BL. We investigated stomatal BL responses in the obligate CAM plants Kalanchoe pinnata and Kalanchoe daigremontiana that characteristically open their stomata at night and close them for part of the day, as contrasted with C 3 and C 4 plants. Stomata opened in response to weak BL superimposed on background red light in both intact leaves and detached epidermal peels of K. pinnata and K. daigremontiana. BL-dependent stomatal opening was completely inhibited by tautomycin and vanadate, which repress type 1 protein phosphatase and plasma membrane H + -ATPase, respectively. The plasma membrane H + -ATPase activator fusicoccin induced stomatal opening in the dark. Both BL and fusicoccin induced phosphorylation of the guard cell plasma membrane H + -ATPase in K. pinnata. These results indicate that BL-dependent stomatal opening occurs in the obligate CAM plants K. pinnata and K. daigremontiana independently of photosynthetic CO 2 assimilation mode.

元の言語英語
ページ(範囲)1367-1374
ページ数8
ジャーナルJournal of Experimental Botany
70
発行部数4
DOI
出版物ステータス出版済み - 2 20 2019

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Kalanchoe
Bryophyllum pinnatum
Bryophyllum daigremontianum
Crassulacean acid metabolism
blue light
Light
Acids
H-transporting ATP synthase
Proton-Translocating ATPases
stomata
fusicoccin
Cell Membrane
plasma membrane
phosphoprotein phosphatase
Protein Phosphatase 1
guard cells
Vanadates
red light
Carbon Monoxide
phosphorylation

All Science Journal Classification (ASJC) codes

  • Physiology
  • Plant Science

これを引用

Stomatal response to blue light in crassulacean acid metabolism plants Kalanchoe pinnata and Kalanchoe daigremontiana. / Gotoh, Eiji; Oiwamoto, Kohei; Inoue, Shin Ichiro; Shimazaki, Ken Ichiro; Doi, Michio.

:: Journal of Experimental Botany, 巻 70, 番号 4, 20.02.2019, p. 1367-1374.

研究成果: ジャーナルへの寄稿記事

Gotoh, Eiji ; Oiwamoto, Kohei ; Inoue, Shin Ichiro ; Shimazaki, Ken Ichiro ; Doi, Michio. / Stomatal response to blue light in crassulacean acid metabolism plants Kalanchoe pinnata and Kalanchoe daigremontiana. :: Journal of Experimental Botany. 2019 ; 巻 70, 番号 4. pp. 1367-1374.
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abstract = "Blue light (BL) is a fundamental cue for stomatal opening in both C 3 and C 4 plants. However, it is unknown whether crassulacean acid metabolism (CAM) plants open their stomata in response to BL. We investigated stomatal BL responses in the obligate CAM plants Kalanchoe pinnata and Kalanchoe daigremontiana that characteristically open their stomata at night and close them for part of the day, as contrasted with C 3 and C 4 plants. Stomata opened in response to weak BL superimposed on background red light in both intact leaves and detached epidermal peels of K. pinnata and K. daigremontiana. BL-dependent stomatal opening was completely inhibited by tautomycin and vanadate, which repress type 1 protein phosphatase and plasma membrane H + -ATPase, respectively. The plasma membrane H + -ATPase activator fusicoccin induced stomatal opening in the dark. Both BL and fusicoccin induced phosphorylation of the guard cell plasma membrane H + -ATPase in K. pinnata. These results indicate that BL-dependent stomatal opening occurs in the obligate CAM plants K. pinnata and K. daigremontiana independently of photosynthetic CO 2 assimilation mode.",
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