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International Journal on Algae
SJR: 0.216 SNIP: 0.322 CiteScore™: 0.4

ISSN Druckformat: 1521-9429
ISSN Online: 1940-4328

International Journal on Algae

DOI: 10.1615/InterJAlgae.v4.i4.40
pages 29-40

Active transport of inorganic carbon into cells of blue-green algae (Cyanophyta)

A. F. Tereshchenko
N.G. Kholodny Institute of Botany, National Academy of Sciences of Ukraine, 2, Tereshchenkavskaya St., 01001 Kiev, Ukraine
V. V. Podorvanov
N.G. Kholodny Institute of Botany, National Academy of Sciences of Ukraine, 2, Tereshchenkovskaya St., 01001 Kiev
E. K. Zolotareva
N.G. Kholodny Institute of Botany, NAS of Ukraine, 2 Tereshchenkovskaya Str., Kiev 01004, Ukraine

ABSTRAKT

The review is devoted to studies in energy requirements of the mechanisms supplying the active transport of inorganic carbon (Ci ) into cells of blue-green algae. The data presented show that either the energy of the transmembrane eleetrochemical potential of hydrogen ions (DmH+) ог the transmembrane eleetrochemical potential of sodium ions (DmNa+) supplies the active transport of Ci via the plasmalemma of the Cyanophyta cells only within very narrow limits of environmental conditions. Neither (DmH+) nor (DmNa+(DmNa+) may be considered a universal source of energy for Ci transport. An assumption is advanced that the energy for the active transport of Ci is provided at the expense of ATP hydrolysis by НСО3- transport ATPase, the electron-transport chain of photosystem I participating directly.


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