Potassium conductance and potassium channels in a primitive insect: The cockroach Periplaneta americana

Part of the EXS book series (EXS, volume 63)


Potassium currents and underlying single channel activity have been recorded in various nerve preparations from the central nervous system of the American cockroach. The properties of the potassium current in isolated giant axons, identified DUM and Df neurons and cultured embryonic and adult brain neurons were compared. The underlying single channel events were recorded using the patch-clamp technique and analyzed. The results indicate that several families of potassium channels exist in cockroach neurons, some of which share common properties with other invertebrate and vertebrate neurons.


Potassium Channel Potassium Current Giant Axon Potassium Conductance Adult Neuron 
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Copyright information

© Birkhäuser Verlag Basel/Switzerland 1993

Authors and Affiliations

  1. 1.Equipe de Neurobiologie, Neuropharmacologie Moléculaire et Ecotoxicologie, CNRSUniversité de Rennes IRennes CedexFrance

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