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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