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Emergence of synchronized beating during the regrowth of eukaryotic flagella
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Goldstein, Raymond E., Polin, Marco and Tuval, Idan (2011) Emergence of synchronized beating during the regrowth of eukaryotic flagella. Physical Review Letters, Volume 107 (Number 14). Article number 148103 . doi:10.1103/PhysRevLett.107.148103 ISSN 0031-9007.
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Official URL: http://dx.doi.org/10.1103/PhysRevLett.107.148103
Abstract
A fundamental issue in the biology of eukaryotic flagella is the origin of synchronized beating observed in tissues and organisms containing multiple flagella. Recent studies of the biflagellate unicellular alga Chlamydomonas reinhardtii provided the first evidence that the interflagellar coupling responsible for synchronization is of hydrodynamic origin. To investigate this mechanism in detail, we study here synchronization in Chlamydomonas as its flagella slowly regrow after mechanically induced self-scission. The duration of synchronized intervals is found to be strongly dependent on flagellar length. Analysis within a stochastic model of coupled phase oscillators is used to extract the length dependence of the interflagellar coupling and the intrinsic beat frequencies of the two flagella. Physical and biological considerations that may explain these results are proposed.
Item Type: | Journal Article | ||||||
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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: | 30 September 2011 | ||||||
Dates: |
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Volume: | Volume 107 | ||||||
Number: | Number 14 | ||||||
Article Number: | Article number 148103 | ||||||
DOI: | 10.1103/PhysRevLett.107.148103 | ||||||
Status: | Peer Reviewed | ||||||
Publication Status: | Published | ||||||
Access rights to Published version: | Restricted or Subscription Access |
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