The Flash-Triggering Action Potential of the Luminescent Dinoflagellate Noctiluca
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The Flash-Triggering Action Potential of the Luminescent Dinoflagellate Noctiluca
The action potential which elicits luminescence in Noctiluca is recorded from the flotation vacuole as a transient all-or-none hyperpolarization in response to either local or general application of inward (bath to vacuole) current. Experiments were performed to determine whether the unorthodox polarities of both the stimulus current and the potential response resulted from uncommon bioelectric...
متن کاملCorrelation between membrane potential responses and tentacle movement in the dinoflagellate Noctiluca miliaris.
Membrane potential responses and tentacle movement of the marine dinoflagellate Noctiluca miliaris were recorded simultaneously and their time relationships were examined. The food-gathering tentacle of Noctiluca exhibited slow extension-flexion movements in association with the spontaneously recurring membrane potential responses termed the tentacle regulating potentials (TRPs). The flexion of...
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Short Communication Distribution of Ion Channels in the Membrane of the Dinoflagellate Noctiluca Miliaris
Noctiluca miliaris, a marine dinoflagellate, exhibits spontaneous flexion of its tentacle. The movement of the tentacle is always accompanied by perturbations of membrane potential, termed the 'tentacle regulating potentials' (TRPs) (Eckert and Sibaoka, 1967). Though the waveform of the TRPs is liable to variation, it consists of four successive basic components: (1) a Na-dependent depolarizing...
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ژورنال
عنوان ژورنال: Journal of General Physiology
سال: 1968
ISSN: 1540-7748,0022-1295
DOI: 10.1085/jgp.52.2.258