Effect of K2Cr2O7 on the photosynthetic activity and mobility of Euglena gracilis Klebs cells

I. P. Novikova; T. V. Parshikova; V. V. Vlasenko; I. B. Zubenko

doi:10.1615/InterJAlgae.v9.i3.30

International Journal on Algae

Editor-in-Chief: Solomon P. Wasser (open in a new tab)

Editor: Th. E. Smith (open in a new tab)

Managing Editor: M.D. Aleinikova (open in a new tab)

Published 4 issues per year

ISSN Print: 1521-9429

ISSN Online: 1940-4328

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Effect of K₂Cr₂O₇ on the photosynthetic activity and mobility of Euglena gracilis Klebs cells

Volume 9, Issue 3, 2007, pp. 224-235

DOI: 10.1615/InterJAlgae.v9.i3.30

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I. P. Novikova
Taras Shevchenko Kiev National University, 60, VladymirskayaSt., 01017 Kiev, Ukraine

T. V. Parshikova
T. G. Shevchenko Kiev National University, 60, Vladimirskaya St., 01017 Kiev, Ukraine

V. V. Vlasenko
Institute of Bioorganic Chemistry and Oil Chemistry, National Academy of Sciences of Ukraine, 12, Pr. Geroyev Stalingrada, 04210 Kiev, Ukraine

I. B. Zubenko
Institute of Hydrobiology, National Academy of Sciences of Ukraine, Kiev, Ukraine

ABSTRACT

The effect of K₂Cr₂O₇ in concentrations 0.05-135 mg/L on physiological characteristics of highly-saprobe green alga Euglena gracilis Klebs was studied. Methods of differential fluorometry and laser-doppler spectrometry were used for study of dynamics of changes in chlorophylls concentration, level of potential photosynthetic activity, and also the rate and energy of cell mobility of Euglena gracilis Klebs depending on duration of contact with potassium bichromate (1; 4 and 7 days). It was revealed that degree of chromium toxicity sufficiently depends both on concentration of acting element and time of the contact: its prolongation leads to notable increasing of toxicity.

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