Nishigami Yukinori, Ohmura Takuya, Taniguchi Atsushi, Nonaka Shigenori, Manabe Junichi, Ishikawa Takuji, Ichikawa Masatoshi
Department of Physics, Kyoto University, Sakyo, Kyoto, Japan.
Laboratory for Spatiotemporal Regulations, National Institute for Basic Biology, Okazaki, Japan.
Commun Integr Biol. 2018 Aug 15;11(4):e1506666. doi: 10.1080/19420889.2018.1506666. eCollection 2018.
Some types of ciliates accumulate on solid/fluid interfaces. This behavior is advantageous to survival in nature due to the presence of sufficient nutrition and stable environments. Recently, the accumulating mechanisms of at the interface were investigated. The synergy of the ellipsoidal shape of the cell body and the mechanosensing feature of the cilia allow for cells to slide on interfaces, and the sliding behavior leads to cell accumulation on the interfaces. Here, to examine the generality of the sliding behavior of ciliates, we characterized the behavior of , which is a commonly studied ciliate. Our experimental and numerical results confirmed that also slid on the solid/fluid interface by using the same mechanism as . In addition, we evaluated the effects of cellular ellipticity on their behaviors near the wall with a phase diagram produced via numerical simulation.
某些类型的纤毛虫会聚集在固/液界面上。由于存在充足的营养和稳定的环境，这种行为有利于在自然环境中生存。最近，对纤毛虫在界面处的聚集机制进行了研究。细胞体的椭圆形形状与纤毛的机械传感特性协同作用，使细胞能够在界面上滑动，而这种滑动行为导致细胞在界面上聚集。在此，为了研究纤毛虫滑动行为的普遍性，我们对一种常用作研究对象的纤毛虫的行为进行了表征。我们的实验和数值结果证实，该纤毛虫也通过与另一种纤毛虫相同的机制在固/液界面上滑动。此外，我们通过数值模拟生成的相图评估了细胞椭圆率对其在壁附近行为的影响。
