2000
DOI: 10.1002/1097-0029(20000901)50:5<327::aid-jemt2>3.0.co;2-p
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Photoreceptor cells in the Xenopus retina

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Cited by 49 publications
(29 citation statements)
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“…In Amphibia, two types of rods and three types of color-specific cones have been described, the latter assumed to represent red-, blue-, and UV-sensitive cones (Xenopus: Röhlich et al 1989a;Röhlich and Szél 2000;Witkovsky 2000;Zhang et al 1994;tiger salamander: Sherry et al 1998). Are all these photoreceptor classes present in the blind cave salamander?…”
Section: Discussionmentioning
confidence: 99%
“…In Amphibia, two types of rods and three types of color-specific cones have been described, the latter assumed to represent red-, blue-, and UV-sensitive cones (Xenopus: Röhlich et al 1989a;Röhlich and Szél 2000;Witkovsky 2000;Zhang et al 1994;tiger salamander: Sherry et al 1998). Are all these photoreceptor classes present in the blind cave salamander?…”
Section: Discussionmentioning
confidence: 99%
“…This finding was unexpected because UV-transparency of the eye lenses is commonly found in nocturnal species among terrestrial vertebrates (Jacobs 1992). At least histological and molecular studies on the frog retina suggest the existence of a third, small single-cone population that is most sensitive to ultraviolet light and express a SWS1 pigment (Hisatomi et al 1998;Röhlich and Szél 2000). However, in general, UV-vision needs not to be mediated by a specialized UV-sensitive cone or rod since it can also be provided by the beta absorption of any other photoreceptor present (Jacobs 1992;Winter et al 2003).…”
Section: Resultsmentioning
confidence: 99%
“…Finally, a LWS pigment type with a maximum at about 565 nm is expressed in the long-wavelength cones which appear as a single and a double-cone variant (Denton and Wyllie 1955;Govardovskii and Zueva 1974;Witkovsky et al 1981;Hisatomi et al 1998;Govardovskii et al 2000;Röhlich and Szél 2000;Takahashi et al 2001;Siddiqi et al 2004;Bowmaker 2008). There are a few studies providing hints for the presence of a SWS1 pigment type with an unknown absorption maximum in an UV-sensitive cone population (Hisatomi et al 1998;Röhlich and Szél 2000). In addition, there is a discussion on the presence of a middle-wavelength cone population in the frog retina with an absorption maximum close to 500 nm.…”
Section: Methodsmentioning
confidence: 99%
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“…During recordings, 2 mM CoCl 2 was used to substitute 2 mM CaCl 2 to block synaptic transmission. Cones were identified morphologically by Lucifer yellow staining and these cells are characterized by a large oil droplet bulging out of the apical region of the inner segment [18]. Lucifer yellow-filled cones were visualized using a mercury light source and a fluorescein isothiocyanate filter set, and the pictures were taken by a cool CCD (Photometrics, CoolSNAP ES, USA).…”
Section: Retinal Slice Preparationsmentioning
confidence: 99%