Anagrammes & Informations sur | Mot Anglaise OPSIN

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Exemples d’utilisation de OPSIN dans une phrase

• The condition is more prevalent in males, because the opsin genes responsible are located on the X chromosome.
• For aiding vision specifically, it combines with the protein opsin to form rhodopsin, the light-absorbing molecule necessary for both low-light (scotopic vision) and color vision.
• This species has one type of single cone (SC), with an opsin peaking in sensitivity at 413 nm (S), and a double cone with two different opsins in each member peaking at 480 nm (M) and 530 nm (L) respectively.
• There exist three types of cone photoreceptors, each being maximally sensitive to a specific wavelength of light depending on the structure of their opsin photopigment.
• In the retina, this conversion induces a conformational change in the surrounding opsin protein pigment, leading to signaling through the G protein transducin.
• Another opsin found in the mammalian retina, melanopsin, is involved in circadian rhythms and pupillary reflex but not in vision.
• The light may be absorbed by a chromophore bound to an opsin, which photoisomerizes the chromophore, initiating both the visual cycle, which "resets" the chromophore, and the phototransduction cascade, which transmits the visual signal to the brain.
• argenteus has 38 opsin genes for the rods in its retinas, suggesting that they can see in color in very low light conditions.
• Fish in the genus Maurolicus have developed a unique photoreceptor where a cone opsin and phototransduction cascade is found in cells transmuted into a rod-like morphology.
• Unusually for a dipteran and for a frugivore, medflies do not have an opsin gene for blue light perception as shown from the whole-genome sequencing project completed in September 2016.
• The pollinator, birds, are tetrachromats, and one type of the single cone has specific opsin to detect long-wavelength light (below about 600 nm).
• found the rhodopsin (rh1), the opsin of the rods, still expressed suggesting that in sea snakes some cones may be transmuted rods.
• For instance, the frequency-tuning region of an opsin may be under enhanced selective pressure when a species colonises and adapts to new environment, whereas the region responsible for initializing a nerve signal may be under purifying selection.
• Ignacio Provencio (born 29 June 1965) is an American neuroscientist and the discoverer of melanopsin, an opsin found in specialized photosensitive ganglion cells of the mammalian retina.
• Her early work focused on the basic properties of rhodopsin, which is a combination of the chromophore (retinal) and a protein called opsin, which is reutilized in the resynthesis of rhodopsin.
• The related GRK7, also known as cone opsin kinase, serves a similar function in retinal cone cells subserving high-acuity color vision in the fovea.
• While rhodopsin in the narrow sense refers to a dim-light visual pigment found in vertebrates, usually on rod cells, rhodopsin in the broad sense (as used here) refers to any molecule consisting of an opsin and a retinal chromophore in the ground state.
• Retinal can be photoisomerized by itself, but requires to be bound to an opsin protein to both trigger the phototransduction cascade and tune the spectral sensitivity to longer wavelengths, which enable color vision.
• The protein has the canonical features of a photoreceptive opsin protein, however in human skin, OPN3 is not photoreceptive and acts as a negative regulator of melanogenesis.
• Neuropsin belongs to the seven-exon subfamily of mammalian opsin genes that includes peropsin (RRH) and retinal G protein coupled receptor (RGR).

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