SYNOPSIS In the ciliate Euplotes crussus, doublet cells of 3 complementary mating types were mixed and multiconjugant complexes
obtained. The cells were not uniform in the G, stage at the time of mixing. Despite asynchrony, the nuclear events of conjugation
started and progressed coordinately in all the members of each complex, leading to a synchronous exchange of pronuclei. An adjustment
of the cellular timing takes place before the nuclei of multiconjugants begin dividing. This adjustment probably occurs through specific
ciliary contact during preconjugant interaction.
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