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International Journal on Algae

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

International Journal on Algae

DOI: 10.1615/InterJAlgae.v2.i2.110
pages 113-121

Bacteria accompanying Scenedesmus acutus Meyen in laboratory cultures

E.V. Borisova
N.G. Kholodny Institute of Botany, National Academy of Sciences of Ukraine, 2, Tereshchenkovskaya St., 01001 Kiev, Ukraine
T. M. Nogina
D.K. Zabolotny Institute of Microbiology and Virology, National Academy of Sciences of Ukraine, Kiev, Ukraine
V. V. Stupina
N.G. Kholodny Institute of Botany, National Academy of Sciences of Ukraine, 2, Tereshchenkovskaya St., 01001 Kiev, Ukraine

ABSTRACT

Species composition and abundance of bacteria accompanying Scenedesmus acutus Meyen (strain IBASU-A 251) have been studied. Unialgal culture of this species is used as a test object in performing experiments on aquatic toxicology. Representatives of the genera Flavobactehum, Acinetobacter, Microbacterium, Curtobacterium, and Rhodococcus have been found. Their characteristics are given. Dynamics of the numbers of populations belonging to different groups of bacteria permanently accompanying the algal species concerned during the process of its growth and development are shown. It has been found that the complex of dominant bacterial species changes under the influence of toxic compounds (nitrosodimethylamine, ethylendiamines, and sulpholignins). These data may be used as additional criteria in carrying out bioassay.