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International Journal on Algae
SJR: 0.216 SNIP: 0.322 CiteScore™: 0.4

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

International Journal on Algae

DOI: 10.1615/InterJAlgae.v4.i3.60
pages 93-103

Study of the toxic cyanobacterium Oscillatoria agardhii Gom. in culture

O. V. Gavrilova
Biological Institute of St. Petersburg University, 2, Oranienbaumskoye Sch., Stariy Peterhof, 198504 St. Petersburg, Russia
L. N. Voloshko
Biological Institute of St. Petersburg University, 2, Oranienbaumskoye Sch., Stariy Peterhof, 198504 St. Petersburg, Russia
N. N. Titova
Biological Institute of St. Petersburg University, 2, Oranienbaumskoye Sch., Stariy Peterhof, 198504 St. Petersburg, Russia
O. M. Bedyagina
Biological Institute of St. Petersburg University, 2, Oranienbaumskoye Sch., Stariy Peterhof, 198504 St. Petersburg, Russia
B. V. Gromov
Biological Institute of St. Petersburg University, 2, Oranienbaumskoye Sch., Stariy Peterhof, 198504 St. Petersburg, Russia

ABSTRAKT

Strains of Oscillatoria agardhii Gom. isolated from Neva Bay of the Baltic Sea were investigated. Ultrastructure of cells of O. agardhii clearly differs from that of other representatives of the genus Oscillatoria. The arrangement of thylakoids in cytoplasm may serve as an additional taxonomic character of 0. agardhii. All studied strains had an inhibitory effect on examined organisms but differed in the level of toxicity. Toxicity of all studied strains of 0. agardhii increased during the exponential phase of growth, reaching its maximum at the beginning of the stationary phase. The study indicates a rather high toxicity of the tested strains.


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