rhodopsin


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Related to rhodopsin: Rhodopsin kinase, photopsin

rho·dop·sin

 (rō-dŏp′sĭn)
n.
Any of a class of reddish, light-sensitive pigments found in the retinal rods of the eyes of terrestrial and marine vertebrates, consisting of opsin and retinal. Also called visual purple.

[rhod(o)- + Greek opsis, sight; see -opsis + -in.]

rhodopsin

(rəʊˈdɒpsɪn)
n
(Biochemistry) a red pigment in the rods of the retina in vertebrates. It is dissociated by light into retinene, the light energy being converted into nerve signals, and is re-formed in the dark. Also called: visual purple See also iodopsin
[C20: from rhodo- + -opsis + -in]

rho•dop•sin

(roʊˈdɒp sɪn)

n.
a bright red photosensitive pigment found in the rod-shaped cells of the retina of certain fishes and most higher vertebrates: it is broken down by the action of dim light into retinal and opsin.
[1885–90; rhod- + Greek óps(is) sight, vision + -in1]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.rhodopsin - a red photopigment in the retinal rods of vertebrates; dissociates into retinene by light
retinal rod, rod cell, rod - a visual receptor cell that is sensitive to dim light
opsin - retinal protein formed by the action of light on rhodopsin
retinal, retinene - either of two yellow to red retinal pigments formed from rhodopsin by the action of light
photopigment - a special pigment found in the rods and cones of the retina
Translations

rho·dop·sin

[MIM*180380]
n. rodopsina, pigmento de color rojo púrpura que se encuentra en los bastoncillos de la retina y que facilita la visión en luz tenue.
References in periodicals archive ?
The therapy aims to inhibit the formation of the mutated toxic version of the rhodopsin protein by specifically binding the mutated RHO mRNA.
A team of Brown University researchers found that opsin 3 -- a protein closely related to rhodopsin, the protein that enables low-light vision -- has a role in adjusting the amount of pigment produced in human skin, a determinant of skin color.
They demonstrated this through computer simulations and functional experiments on rhodopsin proteins regenerated in the lab.
To assess differentiation efficiency of photoreceptor subtypes in retinal organoids older than W21, we measured opsins (rhodopsin, L/M opsin, and S opsin) positive area and total presumptive outer nuclear layer (ONL) area per retinal organoid (n = 14) with ImageJ software, according to a method published [14].
Hirayama, "Stimulatory effect of cyanidin 3glycosides on the regeneration of rhodopsin," Journal of Agricultural and Food Chemistry, vol.
Transgenic mice with the rhodopsin promoter controlling human VEGF165 levels in photoreceptors (rho/VEGF mice) produce new vessels from the retina's deep capillary bed, starting at P10, which grow into the subretinal space [25, 40].
Ablation of the mutant allele using CRISPR/Cas9 technology is another strategy that has been used in dominant forms for RP due to mutations in the gene encoding Rhodopsin (RHO).
Long-term rescue of retinal structure and function by rhodopsin RNA replacement with a single adeno-associated viral vector in P23H RHO transgenic mice.
A member of the UV7 opsin clade that is expressed in photoreceptors of the Aedes mosquito, AaRh10, was able to elicit a photoresponse when expressed in transgenic Drosophila (Hu et al., 2014); however, these responses were smaller and slower than expected for a visual rhodopsin. This result might only reflect poor compatibility between AaRh10 and the Drosophila photoreceptor environment.
It is caused because rhodopsin, a light-sensitive protein found in the rod cells of the retina, regenerates more slowly as we age.
However, in this present work, WFC, being directly associated to consciousness, is investigated in the retinal structure of 'rhodopsin' in vitro.
Apart from its role as a cofactor for several antioxidant enzymes [9], zinc is also involved in the visual cycle through regulation of retinol dehydrogenase and rhodopsin regeneration [10] and can metabolize ingested photoreceptor outer segments (POS) in RPE cells [11].