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Expression of rod and cone visual pigmen ... like gene is expressed in cones
Expression of rod and cone visual pigments in goldfish and zebrafish a rhodopsin-like gene is expressed in cones
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The primary purpose of the present study was to determine whether a rhodopsin-like gene, which has been postulated to represent the green cone pigment in several species, is in fact expressed in cone photoreceptors instead of rods. The expression patterns of rod opsin and blue and red cone opsins were also examined in both goldfish and zebrafish retinas using colorimetric in situ hybridization. The results demonstrate that the rhodopsin-like gene is expressed in green cones, as predicted. A subset of small cones that do not hybridize with these cRNA probes are tentatively identified as ultraviolet receptors. The results also demonstrate that opsin message in cones is restricted to the perinuclear region, whereas in rods, it is both perinuclear and adjacent to the ellipsoid.
Raymond PA, Barthel LK, Rounsifer ME, Sullivan SA, Knight JK
Neuron
1993-06-01 00:00
10
6
1161-74
Animals,Gene Expression,Goldfish,In Situ Hybridization,Light,Photoreceptors,RNA Probes,Retina,Retinal Pigments,Rhodopsin,Zebrafish,RNA Probes,Retinal Pigments,Rhodopsin
Department of Anatomy and Cell Biology, University of Michigan, Ann Arbor 48109-0616.
Neuron
0896-6273
0896-6273(93)90064-X
0
False
8318234
