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International Journal on Algae
SJR: 0.219 SNIP: 0.261 CiteScore™: 0.24

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

International Journal on Algae

DOI: 10.1615/InterJAlgae.v19.i3.70
pages 271-282

Salt Stress Effects on Growth and Photosynthetic Pigments' Content in Algoculture of Acutodesmus dimorphus (Chlorophyta)

E.A. Romanenko
N.G. Kholodny Institute of Botany, NAS of Ukraine, 2, Tereshchenkovskaya St., Kiev 01004, Ukraine
P. A. Romanenko
Department of Plant Biology, Institute of Biology and Medicine, Taras Shevchenko National University of Kiev, 64/13 Vladimarskaya Str., Kiev 01601, Ukraine
L. M. Babenko
N.G. Kholodny Institute of Botany of the NAS of Ukraine, Tereshchenkovskaya Str., Kiev 01004, Ukraine
I. V. Kosakovskaya
N.G. Kholodny Institute of Botany, NAS of Ukraine, 2, Tereshchenkovskaya St., Kiev 01001, Ukraine


In this work we analyzed the effect of salt stress on cell number growth, biomass accumulation, and photosynthetic pigment content in algoculture of freshwater green alga Acutodesmus dimorphus (Turpin) P.M. Tsarenko. It was shown that the introduction of sodium chloride to a culture medium retards microalga growth and diminishes the quantity of chlorophylls a and b. Increases in salt concentrations and the duration of cultivation caused an increase in the amount of carotenoids. An increase in the carotenoid amount was observed on day 18 of cultivation for all applied salt concentrations, and maximum values were identified at 0.75% of NaCl in the culture medium.

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