Archives of Biological Sciences 2005 Volume 57, Issue 4, Pages: 247-258
https://doi.org/10.2298/ABS0504247K
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Photosensitive neurons in mollusks
Kartelija Gordana (Siniša Stanković Institute for Biological Research, Belgrade)
Nedeljković M. (Siniša Stanković Institute for Biological Research, Belgrade)
Radenović Lidija Lj. 
(University of Belgrade - Faculty of Biology - Department of Physiology and Biochemistry, Belgrade, Serbia and Montenegro)
In addition to regular photoreceptors, some invertebrates possess simple extra ocular photoreceptors. For example, the central ganglia of mollusks contain photosensitive neurons. These neurons are located on the dorsal surface of the ganglia and based on their electrophysiological properties it has been postulated that they are internal photoreceptors. Besides the eye, transduction of light also occurs in these extra-ocular photoreceptors. In the present work, we analyze the reactivity of these nerve cells to light and describe the underlying mechanism mediating the light-induced response.
This article has been retracted. Link to the retraction 10.2298/ABS150317025E
Keywords: Aplysia, 8-Br-cGMP, Ca2+ channel, cGMP, Helix pomatia, iBMX, identified neurons, phosphodiesterase inhibitor, photosensitive neurons, second messenger