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Hydrobiological Journal
SJR: 0.227 SNIP: 0.575 CiteScore™: 0.24

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

Hydrobiological Journal

DOI: 10.1615/HydrobJ.v52.i4.70
pages 63-73

Functioning of Euglena gracilis under the Influence of Biologically Active Substances of Phenol Nature

A. V. Kureyshevich
Institute of Hydrobiology, National Academy of Sciences of Ukraine, Kiev, Ukraine
V. A. Medved'
Institute of Hydrobiology National Academy of Sciences of Ukraine Kyiv, Ukraine
A. S. Potrokhov
Institute of Hydrobiology, National Academy of Sciences of Ukraine, Kiev
O. G. Zin'kovskiy
Institute of Hydrobiology National Academy of Sciences of Ukraine Kiev, Ukraine
I. N. Nezbrytskaya
Institute of Hydrobiology National Academy of Sciences of Ukraine Kiev, Ukraine
Z. N. Gorbunova
Institute of Hydrobiology National Academy of Sciences of Ukraine Kiev, Ukraine

ABSTRACT

It has been found that Euglena gracilis proved to be tolerant to the influence of the concentrations of phenol carbonic acids, including gallic, caffeic, and benzoic acids, inhibiting growth processes in representatives of Cyanoprokaryota. These concentrations of phenol carbonic acids even stimulated the growth of the alga cultivated both on the mineral and on the organic cultural medium (with the addition of glucose). It is likely that the presence of Euglenophyta in the thickets of higher aquatic plants is conditioned by their capability to consume organic matter, including biologically active substances, excreted by macrophytes.