Cell-to-cell transmission in the activation of in situ nematocytes in acontia ofCalliactis parasitica |
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| Authors: | G. Santoro A. Salleo |
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| Affiliation: | (1) Institute of General Physiology, University of Messina, Via Sperone 31, I-98010 Messina, (Italy) |
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| Abstract: | Summary It is reported that Ca2+-induced discharge of in situ nematocytes of acontia ofCalliactis parasitica can occur by cell-to-cell transmission along the acontial filament at a speed that averages 9.8·10–3 cm–1. The discharge is preceded by protrusion of nematocytes that proceeds along the acontium at a slightly higher speed. |
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| Keywords: | Nematocyte discharge transmission Ca2+ Calliactis parasitica |
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