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The World of Protozoa, Rotifera, Nematoda and Oligochaeta

Ref ID : 4430

Rene Tixador, Gerard Richoilley, Gilbert Gasset, and Hubert Planel; [Etude comparee de la proliferation de Paramecium tetraurelia a bord d'un satellite et a bord d'un ballon stratospherique] (Comparative study of Proliferation Kinetics of Paramecium tetraurelia Aboard a Satellite and a Balloon Flight). C.R.Acad.Sc.Paris 294:909-912, 1982

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A possible effect of cosmic rays on cell proliferation was investigated in cultures of Paramecium tetraurelia during a stratospheric balloon flight, with the techniques already used for the CYTOS experiments, performed aboard the orbital station Salyut 6. The results show that the stimulating effect of space on cell proliferation, reported in the CYTOS experiments, also occurs in the balloon flight. The respective roles of cosmic rays and weightlessness in the biological responses are discussed.