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Noise and synchronization in pairs of beating Eukaryotic Flagella

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Goldstein, Raymond, Polin, Marco and Tuval, Idan (2009) Noise and synchronization in pairs of beating Eukaryotic Flagella. Physical Review Letters, Volume 103 (Number 16). Article number 168103 . doi:10.1103/PhysRevLett.103.168103 ISSN 0031-9007.

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Official URL: http://dx.doi.org/10.1103/PhysRevLett.103.168103

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Abstract

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.

Item Type: Journal Article
Divisions: Faculty of Science, Engineering and Medicine > Science > Physics
Journal or Publication Title: Physical Review Letters
Publisher: American Physical Society
ISSN: 0031-9007
Official Date: 16 October 2009
Dates:
DateEvent
16 October 2009Published
10 July 2009Submitted
Volume: Volume 103
Number: Number 16
Article Number: Article number 168103
DOI: 10.1103/PhysRevLett.103.168103
Status: Peer Reviewed
Publication Status: Published
Access rights to Published version: Restricted or Subscription Access

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