Cytokinesis Arrest and Nuclear Fission in Low Density Populations of Trichomonad Protozoan

Hiromi Hayashi; Hitomi Sakai; Wakako Minakuchi-Fujiwara; Miki Takayama; Michiko Nakamura-Murata; Ryoko Kamo; Kanako Funakoshi; Keisuke Fukumoto; Kaori Kanemaru; Hideyuki Nakagawa; Yasuo Oyama; Nobuyuki Shinohara; Yoshihiro Ito

doi:10.2108/zsj.19.1089

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1 October 2002 Cytokinesis Arrest and Nuclear Fission in Low Density Populations of Trichomonad Protozoan

Hiromi Hayashi, Hitomi Sakai, Wakako Minakuchi-Fujiwara, Miki Takayama, Michiko Nakamura-Murata, Ryoko Kamo, Kanako Funakoshi, Keisuke Fukumoto, Kaori Kanemaru, Hideyuki Nakagawa, Yasuo Oyama, Nobuyuki Shinohara, Yoshihiro Ito

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Zoological Science, 19(10):1089-1094 (2002). https://doi.org/10.2108/zsj.19.1089

Abstract

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 extra-cellular factor that influenced cytokinesis.

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Hiromi Hayashi, Hitomi Sakai, Wakako Minakuchi-Fujiwara, Miki Takayama, Michiko Nakamura-Murata, Ryoko Kamo, Kanako Funakoshi, Keisuke Fukumoto, Kaori Kanemaru, Hideyuki Nakagawa, Yasuo Oyama, Nobuyuki Shinohara, and Yoshihiro Ito "Cytokinesis Arrest and Nuclear Fission in Low Density Populations of Trichomonad Protozoan," Zoological Science 19(10), 1089-1094, (1 October 2002). https://doi.org/10.2108/zsj.19.1089

Received: 11 March 2002; Accepted: 1 July 2002; Published: 1 October 2002

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