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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.i3.30
pages 55-64

The effect of carboanhydrase inhibitors on the growth and pigment composition of some Cyanophyta

Svetlana I. Los'
N.G. Kholodny Institute of Botany, National Academy of Sciences of Ukraine, 2, Tereshchenkavskaya St., 01001 Kiev, Ukraine
A. F. Tereshchenko
N.G. Kholodny Institute of Botany, National Academy of Sciences of Ukraine, 2, Tereshchenkavskaya St., 01001 Kiev, Ukraine
R. N. Fomishina
N.G. Kholodny Institute of Botany, National Academy of Sciences of Ukraine, 2, Tereshchenkavskaya St., 01010 Kiev, Ukraine
E. F. Dovbysh
N.G. Kholodny Institute of Botany, National Academy of Sciences of Ukraine, 2, Tereshchenkavskaya St., 01001 Kiev, Ukraine
E. K. Zolotareva
N.G. Kholodny Institute of Botany, NAS of Ukraine, 2 Tereshchenkovskaya Str., Kiev 01004, Ukraine

ABSTRAKT

The growth of certain blue-green algae and the pigment composition of their photosynthetic apparatus were studied under the influence of acetazolamide and ethoxyzolamide. As demonstrated in the study, these inhibitors exerted no real effect on the accumulation of biomass of Spirulina platensis (Nordst.) Geitl. or on the content of chlorophyll a, carotenoids, and phycobiliproteins in it. At the same time, the accumulation of biomass by two strains of Nostoc linckia (Roth) Вот. et Flah. (isolated from the opposite slopes of "Evolution Canyon" in Mount Carmel Natural Preserve, Israel, and differing sharply in climatic conditions) was inhibited by acetazolamide and was completely depressed by ethoxyzolamide at a concentration of 0.5 mM. The introduction of these inhibitors into the medium led to substantial changes in the pigment apparatus of both strains. Clear differences were also observed in sensitivity of N. linckia strains to inhibitors of carboanhydrase. Mechanisms of inhibitors' action are discussed.


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