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Bioelectric Control of the Ciliary Cycle

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Biological Motion

Part of the book series: Lecture Notes in Biomathematics ((LNBM,volume 89))

Abstract

Electrophysiological research in ciliates has established the central role of ionic Ca2+ in membrane excitation and ciliary electromotor coupling. Ca2+ passes depolarization-sensitive ciliary channels and is thought to bind to axonemal proteins. During hyperpolarization, the concentration of axonemally bound Ca2+ is presumably reduced. The ciliary motor response — frequency and beat direction — is a monotonous function of the intensitiy of a stimulus impinging on the cell. Intermediate steps in sensory-motor coupling: potentials of either polarity, concentration of the messenger substance Ca2+, and the binding of Ca2+ to axonemal target proteins reflect the transmission of gradedness to the ciliary motor response.

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Author information

Authors and Affiliations

  1. Arbeitsgruppe Zelluläre Erregungsphysiologie, Fakultät für Biologie, Ruhr-Universität, D-4630, Bochum 1, Federal Republic of Germany

    Hans Machemer

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  1. Hans Machemer
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Editor information

Editors and Affiliations

  1. Abteilung Theoretische Biologie, Universität Bonn, 5300, Bonn, Germany

    Wolfgang Alt

  2. Zoologisches Institut II, Universität Würzburg, 8700, Würzburg, Germany

    Gerhard Hoffmann

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© 1990 Springer-Verlag Berlin Heidelberg

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Machemer, H. (1990). Bioelectric Control of the Ciliary Cycle. In: Alt, W., Hoffmann, G. (eds) Biological Motion. Lecture Notes in Biomathematics, vol 89. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-51664-1_12

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  • DOI: https://doi.org/10.1007/978-3-642-51664-1_12

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-540-53520-1

  • Online ISBN: 978-3-642-51664-1

  • eBook Packages: Springer Book Archive

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