@article{przysiezniak_voltage-activated_1992,
	title = {Voltage-activated calcium currents in identified neurons from a hydrozoan jellyfish, {Polyorchis} penicillatus},
	volume = {12},
	shorttitle = {Voltage-{Activated} {Calcium} {Currents} in {Identified} {Neurons} from a {Hydrozoan} {Jellyfish}, {Polyorchis}-{Penicillatus}},
	url = {http://www.jneurosci.org/content/12/6/2065.short},
	abstract = {Calcium currents were studied in isolated "swim motor neurons" from the jellyfish Polyorchis penicillatus, using the tight-seal, whole-cell, voltage-clamp technique. Two high-voltage-activated (HVA) currents were observed. The transient current, HVA-t, activated rapidly (time to peak, 4 msec), inactivated with two time constants (26 msec, 187 msec) in a positive voltage range (V(i) = -23 mV), and was larger when carried by calcium than by barium ions. The sustained current, HVA-s, inactivated slowly or not at all, even at very positive voltages and had the same amplitude whether carried by Ca2+ or Ba2+. It is likely that the two HVA current components arise from distinct channel populations, because the ionic selectivity of calcium channels is not known to depend on their inactivation kinetics. A third current appeared to activate at very positive voltages, and at a slower rate than did HVA-t. It is likely to be an artifact of inhomogeneous space clamping. A low-voltage-activated, cadmium-insensitive calcium current may also be present. Calcium currents in this primitive, multicellular animal have properties similar to calcium currents in other phyla; however, they do not fit neatly into the "T, N, L" classification scheme of vertebrate calcium currents.},
	number = {6},
	journal = {Journal of Neuroscience},
	author = {Przysiezniak, J. and Spencer, A. N.},
	month = jun,
	year = {1992},
	keywords = {Polyorchis penicillatus},
	pages = {2065--2078},
}

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N."],"year":1992,"bibtype":"article","biburl":"http://bibbase.org/zotero/BMSC/","bibdata":{"bibtype":"article","type":"article","title":"Voltage-activated calcium currents in identified neurons from a hydrozoan jellyfish, Polyorchis penicillatus","volume":"12","shorttitle":"Voltage-Activated Calcium Currents in Identified Neurons from a Hydrozoan Jellyfish, Polyorchis-Penicillatus","url":"http://www.jneurosci.org/content/12/6/2065.short","abstract":"Calcium currents were studied in isolated \"swim motor neurons\" from the jellyfish Polyorchis penicillatus, using the tight-seal, whole-cell, voltage-clamp technique. Two high-voltage-activated (HVA) currents were observed. The transient current, HVA-t, activated rapidly (time to peak, 4 msec), inactivated with two time constants (26 msec, 187 msec) in a positive voltage range (V(i) = -23 mV), and was larger when carried by calcium than by barium ions. The sustained current, HVA-s, inactivated slowly or not at all, even at very positive voltages and had the same amplitude whether carried by Ca2+ or Ba2+. It is likely that the two HVA current components arise from distinct channel populations, because the ionic selectivity of calcium channels is not known to depend on their inactivation kinetics. A third current appeared to activate at very positive voltages, and at a slower rate than did HVA-t. It is likely to be an artifact of inhomogeneous space clamping. A low-voltage-activated, cadmium-insensitive calcium current may also be present. Calcium currents in this primitive, multicellular animal have properties similar to calcium currents in other phyla; however, they do not fit neatly into the \"T, N, L\" classification scheme of vertebrate calcium currents.","number":"6","journal":"Journal of Neuroscience","author":[{"propositions":[],"lastnames":["Przysiezniak"],"firstnames":["J."],"suffixes":[]},{"propositions":[],"lastnames":["Spencer"],"firstnames":["A.","N."],"suffixes":[]}],"month":"June","year":"1992","keywords":"Polyorchis penicillatus","pages":"2065–2078","bibtex":"@article{przysiezniak_voltage-activated_1992,\n\ttitle = {Voltage-activated calcium currents in identified neurons from a hydrozoan jellyfish, {Polyorchis} penicillatus},\n\tvolume = {12},\n\tshorttitle = {Voltage-{Activated} {Calcium} {Currents} in {Identified} {Neurons} from a {Hydrozoan} {Jellyfish}, {Polyorchis}-{Penicillatus}},\n\turl = {http://www.jneurosci.org/content/12/6/2065.short},\n\tabstract = {Calcium currents were studied in isolated \"swim motor neurons\" from the jellyfish Polyorchis penicillatus, using the tight-seal, whole-cell, voltage-clamp technique. Two high-voltage-activated (HVA) currents were observed. The transient current, HVA-t, activated rapidly (time to peak, 4 msec), inactivated with two time constants (26 msec, 187 msec) in a positive voltage range (V(i) = -23 mV), and was larger when carried by calcium than by barium ions. The sustained current, HVA-s, inactivated slowly or not at all, even at very positive voltages and had the same amplitude whether carried by Ca2+ or Ba2+. It is likely that the two HVA current components arise from distinct channel populations, because the ionic selectivity of calcium channels is not known to depend on their inactivation kinetics. A third current appeared to activate at very positive voltages, and at a slower rate than did HVA-t. It is likely to be an artifact of inhomogeneous space clamping. A low-voltage-activated, cadmium-insensitive calcium current may also be present. Calcium currents in this primitive, multicellular animal have properties similar to calcium currents in other phyla; however, they do not fit neatly into the \"T, N, L\" classification scheme of vertebrate calcium currents.},\n\tnumber = {6},\n\tjournal = {Journal of Neuroscience},\n\tauthor = {Przysiezniak, J. and Spencer, A. N.},\n\tmonth = jun,\n\tyear = {1992},\n\tkeywords = {Polyorchis penicillatus},\n\tpages = {2065--2078},\n}\n\n","author_short":["Przysiezniak, J.","Spencer, A. 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