The role of chloroplastic NAD(P)H dehydrogenase in photoprotection

被引：199

作者：

Endo, T ^{[1
]}

Shikanai, T

Takabayashi, A

Asada, K

Sato, F

机构：

[1] Kyoto Univ, Grad Sch Biostudies, Div Integrated Life Sci, Sakyo Ku, Kyoto 6068502, Japan

[2] Nara Inst Sci & Technol, Grad Sch Biol Sci, Nara 6300101, Japan

[3] Fukuyama Univ, Fac Engn, Dept Biotechnol, Fukuyama, Hiroshima 7290292, Japan

来源：

FEBS LETTERS | 1999年 / 457卷 / 01期

关键词：

chloroplast transformation; chlororespiration; ferredoxin-quinone reductase; ferredoxin-NADP(+) reductase; NAD(P)H dehydrogenase;

D O I：

10.1016/S0014-5793(99)00989-8

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

After a brief exposure to supra-saturating light, leaves of a tobacco transformant, in which chloroplastic NAD(P)H dehydrogenase (NDH) Tvas defective, showed more severe photoinhibition than the wild-type, when judged by the parameter of chlorophyll fluorescence Fv/Fm, Repeated application of supra-saturating light eventually resulted in chlorosis in the NDH-defective mutant, while the mild-type sustained less photodamage and was able to recover from it. The mechanism of the phenomena is discussed with respect to the potential role of NDH in photosynthesis. (C) 1999 Federation of European Biochemical Societies.

引用

页码：5 / 8

页数：4

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