Hydrodynamic Synchronization of Spontaneously Beating Filaments
Hydrodynamic Synchronization of Spontaneously Beating Filaments
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DOI：
10.1103/physrevlett.123.208101
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发表时间：
2019-11-12
影响因子：
8.6
通讯作者：
Saintillan, David
中科院分区：
文献类型：
--
作者：
Chakrabarti, Brato;Saintillan, David
利用考虑动力蛋白运动动力学的鞭毛轴丝的几何反馈模型，我们研究了从精子到纤毛和衣藻的一对自发跳动的细丝的弹性流体动力学相同步。我们的计算表明，当对称波形为同相时，非对称节拍可以出现同相同步和反相同步，并解释了生化噪声引起的相位滑移的机制。模型预测与最近的实验一致，并说明了流体动力学和机械力化学反馈同步的关键作用。
Using a geometric feedback model of the flagellar axoneme accounting for dynein motor kinetics, we study elastohydrodynamic phase synchronization in a pair of spontaneously beating filaments with waveforms ranging from sperm to cilia and Chlamydomonas. Our computations reveal that both in-phase and antiphase synchrony can emerge for asymmetric beats while symmetric waveforms go in phase, and elucidate the mechanism for phase slips due to biochemical noise. Model predictions agree with recent experiments and illuminate the crucial roles of hydrodynamics and mechanochemical feedback in synchronization.