Photoreduction of NADP+ in photosystem II

Suleyman I. Allakhverdiev, Vyacheslav V. Klimov

    Research output: Contribution to journalReview articlepeer-review


    Aim of this minireview is to integrate possible evidences concerning NADP+ reduction in photosystem II (PS II). Investigations of this photoreaction show that under conditions when the first quinone acceptor, QA, is in its reduced state (QA-), electrons are transferred from reduced pheophytin (Pheo-) to NADP+, indicating that PS II can reduce NADP+ without the participation of PS I. On the basis of own experimental material and data, an alternate pathway for electron transfer in PS II reaction centres of higher plants is suggested. Some problems concerning Z-scheme are discussed.

    Original languageEnglish
    Pages (from-to)535-538
    Number of pages4
    JournalIndian Journal of Experimental Biology
    Issue number6
    Publication statusPublished - Jun 1 1998

    ASJC Scopus subject areas

    • Biotechnology
    • Molecular Biology
    • Cell Biology


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