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The World of Protozoa, Rotifera, Nematoda and Oligochaeta

Ref ID : 4790

B.V. Gromov, O.V. Gavrilova, and A.V. Pljusch; Ultrastructure of Ochromonas globosa (Chrysophyceae). Arch.Protistenk 138:291-297, 1990

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An unialgal culture of Ochromonas globosa Skuja has been obtained from the plankton of a river in Karelia. The cell body of O. globosa is ovoid or globular, the beak and the tail have not been observed, but the platform is characteristic of the anterior end of the cell. Bacteria can be engulfed. The details of the structure of cell organelles in general correspond to the known cytology of Ochromonas. An unusual ultrastructural feature is the backward directed microtubular rootlet R-I. It may be connected with the reduction of the beak in the small-celled species of Ochromonas.