An Ultrahigh-Speed Analysis of Exocytosis: Nematocyst Discharge

DOI Web Site 被引用文献2件
  • T. Holstein
    Department of Zoology, University of Zürich-Irchel, CH-8057 Zürich, Switzerland
  • P. Tardent
    Department of Zoology, University of Zürich-Irchel, CH-8057 Zürich, Switzerland

書誌事項

公開日
1984-02-24
DOI
  • 10.1126/science.6695186
公開者
American Association for the Advancement of Science (AAAS)

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説明

<jats:p> High-speed microcinematography of nematocyst discharge in <jats:italic>Hydra attenuata</jats:italic> Pall. shows that this specialized exocytosis, which appears to result from an increase in the intracapsular pressure, requires a total of about 3 milliseconds. A maximum velocity of 2 meters per second is generated, corresponding to an acceleration of 40,000 <jats:italic>g</jats:italic> . Thus nematocyst discharge is one of the fastest cellular processes in nature. </jats:p>

収録刊行物

  • Science

    Science 223 (4638), 830-833, 1984-02-24

    American Association for the Advancement of Science (AAAS)

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