Fan, Da YongJia, HusenBarber, JamesChow, Wah S (Fred)2015-12-100175-7571http://hdl.handle.net/1885/62251Methyl viologen (MV) is a well-known electron mediator that works on the acceptor side of photosystem I. We investigated the little-known, MV-induced inhibition of linear electron flow through photosystem II (PS II) in spinach-leaf discs. Even a low [MV]Keywords: paraquat; article; dark adaptation; electron transport; light adaptation; nonhuman; photochemistry; photosynthesis; photosystem II; plant growth; plant leaf; spinach; Absorption; Adaptation, Physiological; Chlorophyll; Darkness; Electron Transport; Kineti Cyclic electron flow; Exciton-radical pair equilibrium; Linear electron flow; Methyl viologen; Photosystem II200910.1007/s00249-009-0484-32016-02-24