Inhibition of Photosystem II of Spinach by the Respiration Inhibitors Piericidin A and Thenoyltrifluoroacetone(Biochemistry & Molecular Biology)

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概要

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• The effects of several respiration inhibitors on photosystem II (PS II) were investigated. Among the agents tested, piericidin A and thenoyltrifluoroacetone (TTFA) inhibited the photosynthetic electron transport of spinach as measured from chlorophyll (Chl) fluorescence parameters (Fm'-F) /Fm' and Fv/Fm. Using specific donors and acceptors of electrons, we identified the sites of inhibition in and around the PS II complex ; the site of inhibition by TTFA was between Q_A, primary quinone acceptor in PS II, and Q_B, secondary quinone acceptor, in the acceptor side of P680, the reaction center Chl of PS II, while inhibition by piericidin A of the acceptor side was downstream of Q_B, out of the PS II complex. Both agents also inhibited the donor side of P680, probably between tyrosine-161 of the reaction center protein of PS II and P680.

• 社団法人日本農芸化学会の論文
• 2002-09-23

著者

• Endo Tsuyoshi

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

• Sato Fumihiko

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

• ENDO Tsuyoshi

  Kyoto Univ.Food Sci.

• IKEZAWA Nobuhiro

  Graduate School of Biostudies, Kyoto University

• IKEZAWA Nobuhiro

  Division of Integrated Life Science, Graduate School of Biostudies, Kyoto University

• IFUKU Kentaro

  Division of Integrated Life Science, Graduate School of Biostudies, Kyoto University

• Endo Tsuyoshi

  Department Of Bioresource Science Obihiro University Of Agriculture And Veterinary Medicine

• Ifuku K

  Graduate School Of Biostudies Kyoto University

• Sato F

  Div. Of Integrated Life Sci. Graduate School Of Biostudies Kyoto Univ.

• Sato F

  Division Of Integrated Life Science Graduate School Of Biostudies Kyoto University

• 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

• Ifuku Kentaro

  Division Of Integrated Life Science Graduate School Of Biostudies Kyoto University

• Endo T

  Graduate School Of Biostudies Kyoto University

• Endo T

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

• Sato Fumihiko

  Graduate School Of Biostudies Kyoto University

• Ikezawa Nobuhiro

  Graduate School Of Biostudies Kyoto University

• Ikezawa Nobuhiro

  Division Of Integrated Life Science Graduate School Of Biostudies Kyoto University

• Sato Fumihiko

  Division Of Applied Life Sciences Graduate School Of Agriculture Kyoto University

• Sato Fumihiko

  Division of Integrated Life Science, Graduate School of Biostudies, Kyoto University

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