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. 1969 Sep;44(9):1342-6.
doi: 10.1104/pp.44.9.1342.

Photooxidation by photosystem II of tris-washed chloroplasts

T Yamashita, W L Butler

Photooxidation by photosystem II of tris-washed chloroplasts

T Yamashita et al. Plant Physiol. 1969 Sep.

Abstract

Irradiation of tris-washed chloroplasts with moderate intensities of red light caused a partial bleaching of chloroplast pigments and an inhibition of the hydroquinone-supported photoreduction of NADP. The presence of an electron donor for photosystem 2 (PS2) during the irradiation prevented the bleaching and inhibition. It is concluded that the strong oxidant produced by PS2 accumulates in tris-washed chloroplasts during irradiation and an electron donor for PS2 protects against the photooxidation reactions.

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References

    1. Arch Biochem Biophys. 1967 Oct;122(1):144-52 - PubMed
    1. Plant Physiol. 1968 Dec;43(12):2037-40 - PubMed
    1. Plant Physiol. 1969 Mar;44(3):435-8 - PubMed

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