| 单词 | rhodopsin |
| 例句 | They homed in on a protein known as rhodopsin, which doesn’t require a large molecular entourage. Scientists engineer the first light-powered yeast 2023-04-18T04:00:00Z In humans, a genetic alteration here decreases the stability and effectiveness of rhodopsin pigments in the retina, sparking a condition known as congenital stationary night blindness. Mutation behind night blindness in humans helps whale sharks see in the dark 2023-03-23T04:00:00Z This isomerization of retinal activates the rhodopsin, starting a cascade of events that ends with the closing of Na+ channels in the membrane of the photoreceptor. Biology for AP Courses 2022-06-09T00:00:00Z Rod outer segments are long columnar shapes with stacks of membrane-bound discs that contain the rhodopsin pigment. Anatomy and Physiology 2013-06-19T00:00:00Z The most famous opsin forms the backbone of rhodopsin, the pigment in eye cells known as rods that allow you to see in low light. Proteins that sense light also sense taste, at least in fruit flies 2020-04-02T04:00:00Z But the team’s first effort misfired when the rhodopsin protein made by the gene went to a different compartment known not for protein degradation, but for protein synthesis. Scientists engineer the first light-powered yeast 2023-04-18T04:00:00Z But whatever they do, the sharks rely on a light-sensing pigment in their retinas called rhodopsin to navigate the dark waters. Mutation behind night blindness in humans helps whale sharks see in the dark 2023-03-23T04:00:00Z These molecules combine light-sensitive opsins that are similar to rhodopsin with a second fluorescent protein to create an energy transfer — detectable as a change in fluorescent colour — when the proteins are excited. Genetic light bulbs illuminate the brain 2019-10-13T04:00:00Z The absorbance of rhodopsin in the rods is much more sensitive than in the cone opsins; specifically, rods are sensitive to vision in low light conditions, and cones are sensitive to brighter conditions. Anatomy and Physiology 2013-06-19T00:00:00Z Rod cells contain a single type of photopigment - pigments that react to a certain wavelength of light - called rhodopsin. Unique genetic adaptation lets deep-sea fish see color in the darkness 2019-05-09T04:00:00Z She grew the new strain in the same dish as the original, unaltered yeast and exposed it to green light, the wavelength rhodopsin is most sensitive to. Scientists engineer the first light-powered yeast 2023-04-18T04:00:00Z In the deep sea, the rhodopsin pigments in whale shark eyes are specifically calibrated to see blue light—the only color that reaches these depths. Mutation behind night blindness in humans helps whale sharks see in the dark 2023-03-23T04:00:00Z The best known rhodopsin is embedded in the rod cells of our eyes, where it helps us see in the dark. New ‘light-eating’ protein discovered in the Sea of Galilee 2018-07-05T04:00:00Z In normal sunlight, rhodopsin will be constantly bleached while the cones are active. Anatomy and Physiology 2013-06-19T00:00:00Z The authors began by performing extensive computational simulations of the molecular dynamics of arrestin, both alone and during its interaction with various regions of rhodopsin. Activation mechanisms for a universal signalling protein 2018-05-01T04:00:00Z It’s a solution nature has settled on as well: Bacteria, some protists, marine algae, and even algal viruses use rhodopsin to convert light into usable energy, often to pump protons for cellular functions. Scientists engineer the first light-powered yeast 2023-04-18T04:00:00Z They pinpointed two spots—site 94 and 178 on the sharks’ DNA—where there were mutations that altered the amino acid composition of the rhodopsin protein. Mutation behind night blindness in humans helps whale sharks see in the dark 2023-03-23T04:00:00Z Researchers were searching for the second type of rhodopsin when they collected DNA samples from the Sea of Galilee in Israel. New ‘light-eating’ protein discovered in the Sea of Galilee 2018-07-05T04:00:00Z They injected the mPFC of 12 female prairie voles with a virus carrying the gene for channel rhodopsin 2, a protein that, when stimulated with light, causes neurons to “fire.” Homing In on the Brain's "Cuddling" Circuitry 2017-05-31T04:00:00Z If SHG were causing the color change, the spectrum of light emitted by these rhodopsin crystals would carry a tell-tale signature, but none was present. Photons Double Up to Help Us See Beyond the Visible Light Spectrum 2014-12-02T05:00:00Z So Burnetti looked instead for rhodopsin already known to exist in vacuoles. Scientists engineer the first light-powered yeast 2023-04-18T04:00:00Z If SHG were causing the colour change, the spectrum of light emitted by these rhodopsin crystals would carry a tell-tale signature, but none was present. Photons double up to make the invisible visible 2014-11-30T05:00:00Z When they tested the DNA further, they discovered a completely new light-eating protein, a type of rhodopsin they named heliorhodopsin, the team reported last month in Nature. New ‘light-eating’ protein discovered in the Sea of Galilee 2018-07-05T04:00:00Z When you then shine a light into the mouse’s brain, the channel rhodopsin responds, and the neurons that are now expressing the channel rhodopsin fire. Optogenetics: Light my Fire? Or Totally Lame? 2013-08-26T12:45:02.047Z Most species of Chlamydomonas — and I assume C. nivalis is no exception — possess a light-sensitive eyespot containing rhodopsin. Wonderful Things: Don't Eat the Pink Snow 2013-07-09T16:45:00.647Z But the experiment may not reveal much about how rhodopsin use evolved in nature. Scientists engineer the first light-powered yeast 2023-04-18T04:00:00Z The thickness of the line is proportional to the number of consensus contacts that are made at the interface of β-AR–G protein and rhodopsin–G peptide. Molecular signatures of G-protein-coupled receptors 2013-02-13T18:21:29.900Z Its DNA is similar to the rhodopsin that creates chemical energy. New ‘light-eating’ protein discovered in the Sea of Galilee 2018-07-05T04:00:00Z In addition the extreme halophiles have a comparatively simple photosynthetic mechanism based not on chlorophyll but on a membrane-bound pigment, bacterial rhodopsin, that is remarkably like one of the visual pigments. Archaebacteria: The Third Domain of Life Missed by Biologists for Decades 2013-01-01T00:45:00.170Z The group quickly noticed that the gene showed marked similarities to one for rhodopsin, the light receptor in the retina of the eye. Receptor Scientists Nab Chemistry Nobel 2012-10-10T23:13:51Z He would love to add rhodopsin to mitochondria themselves to observe its impact. Scientists engineer the first light-powered yeast 2023-04-18T04:00:00Z This rearrangement was first demonstrated in rhodopsin using electron paramagnetic resonance spectroscopy, and further established by fluorescence spectroscopy, ultraviolet spectroscopy and chemical cross-linking of histidines, and by double electron–electron resonance spectroscopy experiments. Molecular signatures of G-protein-coupled receptors 2013-02-13T18:21:29.900Z But because it takes so long to finish its light-conversion cycle, the researchers suspect that—similar to the rhodopsin in our eyes—it is a light-sensing protein. New ‘light-eating’ protein discovered in the Sea of Galilee 2018-07-05T04:00:00Z In the outer part of the rods the visual purple or rhodopsin is found. Encyclopaedia Britannica, 11th Edition, Volume 10, Slice 1 "Evangelical Church Conference" to "Fairbairn, Sir William" 2011-07-16T02:00:16.387Z Because mitochondria can make ATP efficiently, adding rhodopsin could provide a lot of energy directly from the Sun, just as photosynthesis does. Scientists engineer the first light-powered yeast 2023-04-18T04:00:00Z “Even though it seems to have never happened in nature, we definitely plan to eventually put rhodopsin into the mitochondrion.” Scientists engineer the first light-powered yeast 2023-04-18T04:00:00Z The thickness of the line is proportional to the number of consensus contacts that are made at the interface of β-AR–G protein and rhodopsin–G peptide. Molecular signatures of G-protein-coupled receptors 2013-02-13T18:21:29.900Z |
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