Journal
JOURNAL OF THEORETICAL BIOLOGY
Volume 242, Issue 2, Pages 314-328Publisher
ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
DOI: 10.1016/j.jtbi.2006.02.021
Keywords
Paramecium; galvanotaxis; physical model; Ludloff phenomenon
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We propose a qualitative physical model of galvanotaxis of Paramecium cells using a bottom-up approach to link the microscopic ciliary motion and the macroscopic behavior of the cells. From the characteristic pattern of ciliary motion called the Ludloff phenomenon, the torque that orients the cell toward the cathode is derived mathematically. Dynamical equations of motion are derived and their stability is discussed. In numerical simulations using our model, cells exhibit realistic behavior, such as U-turns, like real cells. (c) 2006 Elsevier Ltd. All rights reserved.
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