Induction of Conjugation by Cell-Free Preparations in Paramecium multimicronucleatum

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Science  18 Dec 1964:
Vol. 146, Issue 3651, pp. 1583-1585
DOI: 10.1126/science.146.3651.1583


A cell-free preparation composed mainly of cilia, obtained by treatment with K2Cr2O7 from stocks of Paramecium multimicronucleatum (syngen 2) pure for mating type, can regularly induce conjugation in intact animals of the opposite mating type.