Euglena gracilis was exposed to cytochalasins B and D, dissolved in dimethylsulfoxide (DMSO).Cytochalasin B had no eflect on biological activities, such as growth rate, swimming speed and vacuolar contractions, whereas cytochalasin D affected both cellviability and vacuolar contractions.No effect whatsoever was observed on the step-down and step-up photophobic responses.Possible implications of this fact are discussed in terms of the proposed effector role of the fibrils matrix surrounding the canal in the photomolile response of Euglena. © 1979 Taylor & Francis Group, LLC.
Responses of Euglena gracilis to cytochalasins B and D.
COPPELLOTTI, OLIMPIA;
1979
Abstract
Euglena gracilis was exposed to cytochalasins B and D, dissolved in dimethylsulfoxide (DMSO).Cytochalasin B had no eflect on biological activities, such as growth rate, swimming speed and vacuolar contractions, whereas cytochalasin D affected both cellviability and vacuolar contractions.No effect whatsoever was observed on the step-down and step-up photophobic responses.Possible implications of this fact are discussed in terms of the proposed effector role of the fibrils matrix surrounding the canal in the photomolile response of Euglena. © 1979 Taylor & Francis Group, LLC.
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