Inhibition of conjugation in Tetrahymena pyriformis by ConA. Localization of ConA-binding sites

A. Frisch*, A. Loyter

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

33 Scopus citations

Abstract

Two patterns of ConA binding to starved mating types of Tetrahymena pyriformis were observed depending on its time of addition. When ConA was added upon mixing of the mating types, at zero time of conjugation, it was first bound to the oral region and subsequently was taken into intracellular vacuoles. When it was added to conjugants, it was specifically bound as a ring around the conjugation area. The ability of the cells to form vacuoles, assayed by addition of carmine particles, declined prior to pair formation. The relationship between the above phenomena and the ability of ConA to inhibit conjugation is discussed.

Original languageEnglish
Pages (from-to)337-346
Number of pages10
JournalExperimental Cell Research
Volume110
Issue number2
DOIs
StatePublished - Dec 1977

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