Influence of zero gravity simulation on time course of mitosis in microplasmodia of Physarum polycephalum.
Detrimental effects of weigntlessness are no longer expected to hinder successful mitosis. Experiments in space and on the fast clinostat give no hints of this. Nevertheless we are thinking of a g sensitivity during the process of chromosome condensation and distribution. The time course of nuclear division in microplasmodia of the slime mold Physarum polycephalum was investigated under 0 g simulation on the fast rotating clinostat in comparison to 1 g controls. The result of this experiment is: A significant shortening of mitosis under 0 g simulation compared to 1 g controls.
Sobick
V
V
Institute for Aerospace Medicine, DFVLR, Koln, FRG.
Briegleb
W
W
D000818:Animals; D003595:Cytoplasmic Streaming; D006112:Gravitation; D018466:Gravity Sensing / Q000502:physiology; D008938:Mitosis / Q000502:physiology*; D016839:Physarum polycephalum / Q000166:cytology* / Q000235:genetics / Q000502:physiology; D012399:Rotation; D013997:Time Factors; D018474:Weightlessness Simulation