S Machemer-Röhnisch

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The kinetics of gravitaxis and gravikinesis in Paramecium caudatum were investigated by employing (1) step transitions from normal gravity (1 g) to weightlessness (microgravity) and (2) turns of the experimental chambers from the horizontal to the vertical position at 1 g. The transition to microgravity left existing cell orientations unchanged. Relaxation(More)
The locomotion of Loxodes as controlled by the natural gravity vector was investigated employing a mass-cell approach. Samples of cells were incubated for 4 hours in a 1.6 mm deep well (41 × 85 mm) filled with defined experimental solution. Their gliding locomotion on surfaces inclined between 0° and 90° was recorded by videocamera. Steady gliding rates(More)
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