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A carbonic anhydrase inhibitor induces bicarbonate-reversible suppression of electron transfer in pea photosystem 2 membrane fragments
Institute of Basic Biological Problems, Russian Academy of Sciences, Pushchino, Moscow, Russia.
Institute of Basic Biological Problems, Russian Academy of Sciences, Pushchino, Moscow, Russia.
Umeå University, Faculty of Science and Technology, Umeå Plant Science Centre (UPSC). Umeå University, Faculty of Science and Technology, Department of Plant Physiology.
Institute of Basic Biological Problems, Russian Academy of Sciences, Pushchino, Moscow, Russia.
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2011 (English)In: Journal of Photochemistry and Photobiology. B: Biology, ISSN 1011-1344, E-ISSN 1873-2682, Vol. 104, no 1-2, 366-371 p.Article in journal (Refereed) Published
Abstract [en]

The effects of suppression of the carbonic anhydrase (CA) activity by a CA-inhibitor, acetazolamide (AA), on the photosynthetic activities of photosystem II (PS II) particles from higher plants were investigated. AA along with CA-activity inhibits the PS II photosynthetic electron transfer and the AA-induced suppression is totally reversed by the addition of bicarbonate (3-5 mM). Similar effect of recovery in the PS II photosynthetic activity was also revealed upon the addition of known artificial electron donors (potassium ferrocyanide and TMPD). Significance and possible functions of CA for the PS II donor side are discussed.

Place, publisher, year, edition, pages
Elsevier , 2011. Vol. 104, no 1-2, 366-371 p.
Keyword [en]
Carbonic anhydrase, Bicarbonate, Photosystem 2, Inhibitors of carbonic anhydrase, Acetazolamide, Chlorophyll a fluorescence yield
Identifiers
URN: urn:nbn:se:umu:diva-45947DOI: 10.1016/j.jphotobiol.2011.04.001PubMedID: 21530302OAI: oai:DiVA.org:umu-45947DiVA: diva2:436378
Available from: 2011-08-23 Created: 2011-08-23 Last updated: 2017-12-08Bibliographically approved

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