Identification and Characterization of Arabidopsis Mutants with Reduced Quenching of Chlorophyll Fluorescence

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概要

• 論文の詳細を見る

• Regulation of nonradiative dissipation of absorbed light energy in PSII is an indispensable process to avoid photoinhibition in plants. To dissect molecular mechanisms of the regulation, we identified Arabidopsis mutants with reduced quenching of Chl fluorescence using a fluorescence imaging system. By analyses of Chl fluorescence induction pattern in the light and quantum yield of both photosystems, 37 mutants were classified into three groups. The first group was characterized by an extremely high level of munimum Chl fluorescence at the open PSII center possibly due to a defect in PSII. Mutants with significant reduction in the nonphotochemical quenching formation but not in quantum yield of both photosystems were classified into the second group. Mutants in the third group showed reduction in quantum yield of both photosystems possibly due to a defect in the electron transport activity. Mutants in the second and third groups were further characterized by light intensity dependence of Chl fluorescence parameters and steady state redox level of P700.

• 日本植物生理学会の論文

著者

• Hashimoto T

  Laboratory Of Plant Pathology And Genetic Engineering College Of Agriculture Okayama University

• Endo Tsuyoshi

  Division of Applied Life Sciences, Graduate School of Agriculture, Kyoto University

• Shikanai Toshiharu

  Graduate school of Science and Technology, Nara Institute of Science and Technology

• ENDO Tsuyoshi

  Kyoto Univ.Food Sci.

• Munekage Yuri

  Graduate School of Biological Sciences, Nara Institute of Science and Technology

• Shimizu Katsumi

  Graduate School of Biological Sciences, Nara Institute of Science and Technology

• Hashimoto Takashi

  Graduate School of Biological Sciences, Nara Institute of Science and Technology

• Endo Tsuyoshi

  Department Of Bioresource Science Obihiro University Of Agriculture And Veterinary Medicine

• Munekage Yuri

  Graduate School Of Biological Sciences Nara Institute Of Science And Technology

• Hiramoto Toshirou

  Device Development Center Hitachi Ltd.

• Shikanai Toshiharu

  Department of Botany, Graduate School of Science, Kyoto University

• Shimizu Katsumi

  Graduate School Of Biological Sciences Nara Institute Of Science And Technology

• Hashimoto Takashi

  Graduate School Of Biological Sciences Nara Institute Of Science And Technology

• Shikanai Toshiharu

  Graduate School Of Agriculture Kyushu University

• Shikanai Toshiharu

  Riken Institute

• Shikanai Toshiharu

  Nichirei Corporation

• Endo Tsuyoshi

  Department Of Plant Genes And Totipotency Graduate School Of Biostudies Kyoto University

• Endo Tsuyoshi

  Division Of Applied Life Sciences Graduae School Of Agriculture

• Hashimoto T

  Graduate School Of Biological Sciences Nara Institute Of Science And Technology

• Endo T

  Graduate School Of Biostudies Kyoto University

• Endo T

  Dept. Agri. Chem. Fac. Agri. Kyoto Univ.

• Hashimoto Takashi

  Graduate School Of Biol. Sci.

• Hashimoto Takashi

  Graduate School of Agricultural Science, Kobe University

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