Literature DB >> 1993064

Involvement of superoxide dismutase in heat-induced stimulation of photosystem I-mediated oxygen uptake.

F Lajkó1, A Kadioglu, G Garab.   

Abstract

We have investigated the effect of heat-treatment of chloroplast thylakoid membranes on photosystem I-mediated electron transport. Spectroscopic techniques, oxidation of dichlorophenolindophenol (donor side) and reduction of NADP or methyl purple (acceptor side), showed no indication of an increased activity of photosystem I electron transport. Enhancement of oxygen uptake in the heat-treated (40 degrees C-48 degrees C) samples could largely be accounted for by decline in the activity of superoxide dismutase.

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Year:  1991        PMID: 1993064     DOI: 10.1016/0006-291x(91)91473-p

Source DB:  PubMed          Journal:  Biochem Biophys Res Commun        ISSN: 0006-291X            Impact factor:   3.575


  3 in total

1.  Variable thermal dissipation in a Photosystem I submembrane fraction.

Authors:  M Y Velitehkova; R Carpentier
Journal:  Photosynth Res       Date:  1994-06       Impact factor: 3.573

Review 2.  Heat stress-induced effects of photosystem I: an overview of structural and functional responses.

Authors:  Alexander G Ivanov; Maya Y Velitchkova; Suleyman I Allakhverdiev; Norman P A Huner
Journal:  Photosynth Res       Date:  2017-04-08       Impact factor: 3.573

3.  Heat-stress stimulation of oxygen uptake by Photosystem I involves the reduction of superoxide radicals by specific electron donors.

Authors:  N Boucher; R Carpentier
Journal:  Photosynth Res       Date:  1993-03       Impact factor: 3.573

  3 in total

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