A carbonic anhydrase inhibitor induces bicarbonate-reversible suppression of electron transfer in pea photosystem 2 membrane fragments

A. V. Shitov, S. K. Zharmukhamedov, T. V. Shutova, Suleyman Allakhverdiev, G. Samuelsson, V. V. Klimov

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

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.

Original languageEnglish
Pages (from-to)366-371
Number of pages6
JournalJournal of Photochemistry and Photobiology B: Biology
Volume104
Issue number1-2
DOIs
Publication statusPublished - Jul 1 2011
Externally publishedYes

Fingerprint

carbonic anhydrase
Carbonic Anhydrase Inhibitors
acetazolamide
Photosystem II Protein Complex
Peas
Bicarbonates
inhibitors
Acetazolamide
carbonates
electron transfer
fragments
retarding
Electrons
membranes
Carbonic Anhydrases
Membranes
Carbonic Anhydrase II
potassium
recovery
electrons

Keywords

  • Acetazolamide
  • Bicarbonate
  • Carbonic anhydrase
  • Chlorophyll a fluorescence yield
  • Inhibitors of carbonic anhydrase
  • Photosystem 2

ASJC Scopus subject areas

  • Biophysics
  • Radiation
  • Radiological and Ultrasound Technology
  • Radiology Nuclear Medicine and imaging

Cite this

A carbonic anhydrase inhibitor induces bicarbonate-reversible suppression of electron transfer in pea photosystem 2 membrane fragments. / Shitov, A. V.; Zharmukhamedov, S. K.; Shutova, T. V.; Allakhverdiev, Suleyman; Samuelsson, G.; Klimov, V. V.

In: Journal of Photochemistry and Photobiology B: Biology, Vol. 104, No. 1-2, 01.07.2011, p. 366-371.

Research output: Contribution to journalArticle

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AU - Allakhverdiev, Suleyman

AU - Samuelsson, G.

AU - Klimov, V. V.

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