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Cytokinesis arrest and nuclear fission in low density populations of trichomonad protozoan


Cytokinesis arrest and nuclear fission in low density populations of trichomonad protozoan



Zoological Science 19(10): 1089-1094



ISSN/ISBN: 0289-0003

PMID: 12426470

DOI: 10.2108/zsj.19.1089

Cell growth of anaerobic protozoan Tritrichomonas foetus was analyzed. This protozoan usually proliferates in extremely high density, but protozoan parasites were dispersed uniformly in F-bouillon medium and cell division stopped temporarily. However, nuclear fission continued and giant polynucleated cells formed. Later, cell division resumed and cells returned to normal form. In conditioned medium, cytokinesis of the dispersed parasites did not stop. Results indicated that T. foetus cells secreted an extracellular factor that influenced cytokinesis.

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Accession: 003699684

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