Taxonomic studies of some cultured strains of Cyanobacteria (Nostocales) isolated from the Yenisei River basin |
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Authors: | I V Kozhevnikov N A Kozhevnikova |
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Institution: | 1.Siberian Federal University,Krasnoyarsk,Russia |
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Abstract: | Twenty-one strains of cyanobacteria representing the genera Anabaena, Cylindrospermum, Mojavia, Nostoc, Trichormus, and Wollea (Nostocales, Cyanobacteria) isolated from algocenoses of the Yenisei River basin (eastern Siberia, Russia) were taxonomically
studied. New taxa characteristic of this region were discovered. The properties of pure cultures of Anabaena sedovii, A. zinserlingii,Cylindrospermum stagnale f. tortuosum, Nostoc kihlmani, Trichormus variabilis f. tenuis, and Wollea saccata have never been described before. The primary taxonomic features (the position of akinetes and heterocysts, the width of
vegetative cells, akinetes and heterocysts, and the shape of terminal cells) of these cyanobacteria when cultured were shown
to fit the diagnosis of the identified taxa. |
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