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Journal of Cell Science, Vol 62, Issue 1 209-222, Copyright © 1983 by Company of Biologists

JOURNAL ARTICLES

Attachment of Paramecium to polystyrene surfaces. II. Induction of the attachment by hydrophobic reagents or immune immunoglobulin G

A Kitamura and E Steers

Mating-reactive cells of Paramecium multimicronucleatum attach to a polystyrene surface (Falcon 10070 culture dishes) irrespective of extracellular ion concentration and swimming velocity. This attachment is induced in cells that are not mating-reactive by treatment with purified immunoglobulin G from antiserum, which blocks cells from mating or from antiserum prepared against the surface-localized immobilization antigens. Treatment with certain hydrophobic reagents such as phenethylamine, benzylamine, amphetamine or phenylethylamine also strongly induces attachment. Similar results are obtained with P. caudatum. Micronuclear activation, which normally occurs in the conjugation process, does not occur, however, in cells that are induced to attach to the polystyrene surface.




© The Company of Biologists Ltd 1983