Results 41 to 50 of about 38,017 (242)

Omega Rhodopsins: A Versatile Class of Microbial Rhodopsins

open access: yesJournal of Microbiology and Biotechnology, 2020
Microbial rhodopsins are a superfamily of photoactive membrane proteins with covalently bound retinal cofactor. Isomerization of the retinal chromophore upon absorption of a photon triggers conformational changes of the protein to function as ion pumps or sensors.
Kwon, Soon-Kyeong   +2 more
openaire   +3 more sources

Coexpression of spectrally distinct rhodopsins in Aedes aegypti R7 photoreceptors. [PDF]

open access: yesPLoS ONE, 2011
The retina of the mosquito Aedes aegypti can be divided into four regions based on the non-overlapping expression of a UV sensitive Aaop8 rhodopsin and a long wavelength sensitive Aaop2 type rhodopsin in the R7 photoreceptors.
Xiaobang Hu   +4 more
doaj   +1 more source

Evolutionary history of teleost intron-containing and intron-less rhodopsin genes

open access: yesScientific Reports, 2019
Recent progress in whole genome sequencing has revealed that animals have various kinds of opsin genes for photoreception. Among them, most opsin genes have introns in their coding regions.
Chihiro Fujiyabu   +5 more
doaj   +1 more source

Unique Cl– pump rhodopsin with close similarity to H+ pump rhodopsin

open access: yesBiophysics and Physicobiology, 2022
Microbial rhodopsin is a ubiquitous membrane protein in unicellular microorganisms. Similar to animal rhodopsin, this protein consists of seven transmembrane helices and the chromophore retinal.
Takashi Kikukawa
doaj   +1 more source

Subcellular localization of mutant P23H rhodopsin in an RFP fusion knock-in mouse model of retinitis pigmentosa

open access: yesDisease Models & Mechanisms, 2022
The P23H mutation in rhodopsin (Rho), the rod visual pigment, is the most common allele associated with autosomal-dominant retinitis pigmentosa (adRP). The fate of misfolded mutant Rho in rod photoreceptors has yet to be elucidated.
Michael A. Robichaux   +6 more
doaj   +1 more source

Polyphenols and Visual Health: Potential Effects on Degenerative Retinal Diseases

open access: yesMolecules, 2021
Dietary polyphenols are a group of natural compounds that have been proposed to have beneficial effects on human health. They were first known for their antioxidant properties, but several studies over the years have shown that these compounds can exert ...
Pol Fernandez-Gonzalez   +2 more
doaj   +1 more source

Neuroinflammation as a Therapeutic Target in Retinitis Pigmentosa and Quercetin as Its Potential Modulator

open access: yesPharmaceutics, 2021
The retina is a multilayer neuronal tissue located in the back of the eye that transduces the environmental light into a neural impulse. Many eye diseases caused by endogenous or exogenous harm lead to retina degeneration with neuroinflammation being a ...
Joseph Thomas Ortega, Beata Jastrzebska
doaj   +1 more source

Plasmonic Enhancement of Fluorescence and Protein Dynamics in Living Mammalian Cells

open access: yesAdvanced Materials, EarlyView.
This study demonstrates plasmonic enhancement of the function of fluorescent voltage sensing proteins (genetically encoded voltage indicators, (GEVIs), QuasAr6) in live mammalian cells. Coupling to plasmonic nanoparticles does not just increase fluorescence, but influences the protein photocycle, creating a hybrid sensor with its response speed to ...
Marco Locarno   +16 more
wiley   +1 more source

Optogenetic manipulation of neuronal and cardiomyocyte functions in zebrafish using microbial rhodopsins and adenylyl cyclases

open access: yeseLife, 2023
Even though microbial photosensitive proteins have been used for optogenetics, their use should be optimized to precisely control cell and tissue functions in vivo.
Hanako Hagio   +10 more
doaj   +1 more source

Light‐Driven Quadrupedal Walking Biohybrid Robot With Antagonistic Muscle‐Rings and Inclined Joints

open access: yesAdvanced Robotics Research, EarlyView.
This work presents a light‐driven quadrupedal walking biohybrid robot powered by antagonistic muscle‐rings that achieve alternating walking gait. Optical training improved reproducibility of cultured muscle tissues, while caffeine treatment enhanced contractile force.
Shotaro Saito   +5 more
wiley   +1 more source

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