Journal
PHYSICAL REVIEW LETTERS
Volume 103, Issue 16, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.103.168103
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Funding
- Marie-Curie Program
- Human Frontier Science Program
- BBSRC
- US Department of Energy, Office of Basic Energy Science, Division of Materials Science and Engineering [DE-AC02-06CH11357]
- Schlumberger Chair Fund
- Biotechnology and Biological Sciences Research Council [BB/F021844/1] Funding Source: researchfish
- BBSRC [BB/F021844/1] Funding Source: UKRI
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It has long been conjectured that hydrodynamic interactions between beating eukaryotic flagella underlie their ubiquitous forms of synchronization; yet there has been no experimental test of this connection. The biflagellate alga Chlamydomonas is a simple model for such studies, as its two flagella are representative of those most commonly found in eukaryotes. Using micromanipulation and high-speed imaging, we show that the flagella of a C. reinhardtii cell present periods of synchronization interrupted by phase slips. The dynamics of slips and the statistics of phase-locked intervals are consistent with a low-dimensional stochastic model of hydrodynamically coupled oscillators, with a noise amplitude set by the intrinsic fluctuations of single flagellar beats.
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