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Antiphase synchronization in a flagellar-dominance mutant of Chlamydomonas

AutorLeptos, Kyriacos C.; Wan, Kirsty Y.; Polini, Marco; Tuval, Idan ; Pesci, Adriana I.; Goldstein, Raymond E.
Fecha de publicación8-oct-2013
EditorAmerican Physical Society
CitaciónPhysical Review Letters 111(15): 158101 (2013)
ResumenGroups of beating flagella or cilia often synchronize so that neighboring filaments have identical frequencies and phases. A prime example is provided by the unicellular biflagellate Chlamydomonas reinhardtii, which typically displays synchronous in-phase beating in a low-Reynolds number version of breaststroke swimming. We report the discovery that ptx1, a flagellar-dominance mutant of C. reinhardtii, can exhibit synchronization in precise antiphase, as in the freestyle swimming stroke. High-speed imaging shows that ptx1 flagella switch stochastically between in-phase and antiphase states, and that the latter has a distinct waveform and significantly higher frequency, both of which are strikingly similar to those found during phase slips that stochastically interrupt in-phase beating of the wild-type. Possible mechanisms underlying these observations are discussed. Published by the American Physical Society under the terms of the Creative Commons Attribution 3.0 License. Further distribution of this work must maintain attribution to the author(s) and the published article's title, journal citation, and DOI.
Versión del editorhttp://dx.doi.org/10.1103/PhysRevLett.111.158101
URIhttp://hdl.handle.net/10261/126261
DOI10.1103/PhysRevLett.111.158101
Identificadoresdoi: 10.1103/PhysRevLett.111.158101
issn: 0031-9007
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