Результаты исследований: Научные публикации в периодических изданиях › статья › Рецензирование
Electrical responses of Lymnaea stagnalis to light stimulation : Effect of divalent cations. / Zhukov, V. V.; Fedorenko, A. D.; Lavrova, A. I.; Postnikov, E. B.
в: Journal of Evolutionary Biochemistry and Physiology, Том 53, № 5, 01.09.2017, стр. 404-413.Результаты исследований: Научные публикации в периодических изданиях › статья › Рецензирование
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TY - JOUR
T1 - Electrical responses of Lymnaea stagnalis to light stimulation
T2 - Effect of divalent cations
AU - Zhukov, V. V.
AU - Fedorenko, A. D.
AU - Lavrova, A. I.
AU - Postnikov, E. B.
PY - 2017/9/1
Y1 - 2017/9/1
N2 - The effects of Ca2+, Mg2+ and Mn2+ on light-evoked electrical responses, ERG and action potentials of optic nerve fibers, were studied in an isolated eye of Lymnaea stagnalis. Signals of both types persisted with minor changes when Mg2+ concentration in the bath solution was increased up to 15 mM. This finding suggests that action potentials of photoreceptor cells are transmitted via their axons directly to central ganglia without a relay in chemical synapses on interneurons. At the same time, the changed spiking pattern may indicate chemical interactions between photoreceptors cells themselves. In the presence of 4 mM EDTA or 10 mM Mn2+, both ERG waves and spiking activity were considerably depressed, probably, as a result of impaired phototransduction in photoreceptor cells.
AB - The effects of Ca2+, Mg2+ and Mn2+ on light-evoked electrical responses, ERG and action potentials of optic nerve fibers, were studied in an isolated eye of Lymnaea stagnalis. Signals of both types persisted with minor changes when Mg2+ concentration in the bath solution was increased up to 15 mM. This finding suggests that action potentials of photoreceptor cells are transmitted via their axons directly to central ganglia without a relay in chemical synapses on interneurons. At the same time, the changed spiking pattern may indicate chemical interactions between photoreceptors cells themselves. In the presence of 4 mM EDTA or 10 mM Mn2+, both ERG waves and spiking activity were considerably depressed, probably, as a result of impaired phototransduction in photoreceptor cells.
KW - divalent cations
KW - electroretinogram (ERG)
KW - eye
KW - Lymnaea stagnalis
KW - optic nerve
KW - spiking activity
UR - http://www.scopus.com/inward/record.url?scp=85037624200&partnerID=8YFLogxK
U2 - 10.1134/S0022093017050064
DO - 10.1134/S0022093017050064
M3 - Article
AN - SCOPUS:85037624200
VL - 53
SP - 404
EP - 413
JO - Journal of Evolutionary Biochemistry and Physiology
JF - Journal of Evolutionary Biochemistry and Physiology
SN - 0022-0930
IS - 5
ER -
ID: 27612235