Dataset and codes underlying "The younger flagellum sets the beat for C. reinhardtii"

The dataset presented are what underlies the paper "The younger flagellum sets the beat for C. reinhardtii". Codes for modeling and plotting, and the hydrodynamic computations' data are included.<br>Eukaryotes swim by coordinating flagellar movements and adjust their direction by fine-tuning this coordination. C. reinhardtii, a model organism, uses synchronous flagellar beating for propulsion and adjusts direction by modulating beating amplitudes. This strategy relies on inherent flagellar differences and effective coordination during synchronous beating. Mechanical connections support synchrony, but how flagellar differences persist during synchrony is unclear. This study combines experiments, computations, and modeling to reveal the roles of each flagellum in synchronous beating. By selectively loading each flagellum, researchers found that coordinated beating responds mainly to loading on the cis flagellum, indicating an asymmetric response due to unilateral coupling between flagella. These results highlight distinct roles for each flagellum in coordination and have implications for the behavior of biflagellates.<br>

本数据集为论文《更年轻的鞭毛主导莱茵衣藻（C. reinhardtii）的摆动节律》提供了数据支撑，包含建模与绘图代码，以及流体力学计算相关数据。真核生物通过协调鞭毛运动实现游动，并通过微调该协调模式调整运动方向。作为经典模式生物的莱茵衣藻（C. reinhardtii），依靠同步鞭毛摆动实现推进，并通过调节摆动幅度改变运动方向。该运动策略依赖于鞭毛固有的固有差异，以及同步摆动过程中的高效协调。机械连接可维持摆动的同步性，但同步摆动过程中鞭毛差异如何得以维持仍尚不明确。本研究结合实验、计算与建模手段，揭示了两根鞭毛在同步摆动中的各自功能。通过对单根鞭毛进行选择性加载实验，研究人员发现，协调摆动的响应主要受顺式鞭毛（cis flagellum）的加载影响，这表明鞭毛间存在单侧耦合，进而引发不对称响应。本研究结果凸显了两根鞭毛在运动协调中的差异化作用，对双鞭毛生物的行为研究具有重要参考价值。