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Hydrobiological Journal
SJR: 0.227 SNIP: 0.901 CiteScore™: 0.5

ISSN Print: 0018-8166
ISSN Online: 1943-5991

Hydrobiological Journal

DOI: 10.1615/HydrobJ.v52.i1.110
pages 106-113

Effect of Thermal Conditions on Growth Processes and Glutamate Dehydrogenase Activity in Selected Species of Chlorophyta and Cyanoprokaryota

I. N. Nezbrytskaya
Institute of Hydrobiology National Academy of Sciences of Ukraine Kiev, Ukraine
A. V. Kureyshevich
Institute of Hydrobiology, National Academy of Sciences of Ukraine, Kiev, Ukraine
O. V. Vasilenko
Ternopol National Pedagogical University, Ternopol; Institute of Hydrobiology National Academy of Sciences of Ukraine Kiev, Ukraine

ABSTRACT

Paper deals with dynamics of growth and activity of glutamate dehydrogenase (NADH- and NADPH-dependent GDH) in Chlorophyta (Desmodesmus communis, Tetraedron caudatum) and Cyanoprokaryota (Aphanocapsa planctonica, Phormidium autumnale f. uncinata) under different temperature regimes. Maximal biomass of green algae was observed at 20°C, and Aphanocapsa planctonica − at 26 and 32°C. At maximal considered temperature (32°C) activity of NADN- and NADPH-GDH in Chlorophyta was significantly inhibited. Fluctuations of activity of both GDH forms in periphytic Cyanoprokaryota Phormidium autumnale f. uncinata under the influence of different temperature regimes were less pronounced than in other considered species.


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