Articles tagged with Green Fluorescent Proteins
Scientists from The University of Osaka have created two new fluorescent markers, Gachapin and Gachapin-C, that can visualize dynamic cell-to-cell contacts and connections within a single neuron's extensions. These indicators allow for the monitoring of complex patterns of connectivity in various cell types, including neurons.
A chemist proposes a framework for shared model proteins to improve reproducibility and coordination in protein science. The proposal includes five widely used proteins and aims to establish minimal reporting requirements and curated reference datasets.
Researchers developed a new system to produce high-yield proteins in lettuce by silencing specific genes. This method increases recombinant protein expression by over two times, making it a promising alternative for large-scale production.
The researchers developed a novel viral reporter system called HIV-Tocky, which allows for real-time visualization of HIV dynamics post-viral infection. This innovation provides crucial insights into HIV-1 latency mechanisms and establishes a foundation for developing eradication strategies.
Researchers developed DiFC, a two-color diffuse flow cytometry system that detects rare cancer cells in the bloodstream without invasive methods. The technology provides insights into cancer progression and response to treatments by studying different subpopulations of cancer cells simultaneously.
Researchers develop a computational approach to predict mutations leading to better proteins, with potential applications in neuroscience research and gene therapy. The technique uses a convolutional neural network to create a fitness landscape, enabling faster optimization of proteins.
A new study has identified a crucial role for plant MLKL proteins in regulating cytoplasmic calcium ion concentration, which is responsible for innate immune responses. The research found that activated plant MLKLs maintain higher calcium levels, activating downstream immune machinery and conferring disease resistance.
Researchers at MIT have developed an alternative method to study molecular signals in cells, allowing them to track up to seven different molecules simultaneously. The technique uses fluorescent proteins that flicker on and off at different rates, enabling the tracking of specific cellular functions over time.
Researchers identified five previously unknown CaMKII inhibitors, including ruxolitinib, which was found to be the most effective at inhibiting CaMKII activity in cell and mouse models of arrhythmias. The study provides a promising new approach for treating heart conditions.
Researchers at Weill Cornell Medicine have discovered a DNA molecule that folds into a four-way junction structure, allowing it to mimic the activity of green fluorescent protein (GFP). This breakthrough could lead to the development of new DNA-based fluorescent tags for rapid-diagnostic tests and various scientific applications.
Scientists have developed a method to activate protein functions using brief flashes of light, enabling precise control over when and where chemical reactions occur. This technology has potential uses in tissue engineering, regenerative medicine, and understanding biological processes.
Researchers at Janelia have developed the fastest calcium indicators yet, allowing them to tease out individual neuronal signals with unprecedented speed and sensitivity. The new jGCaMP8 sensors can detect calcium ions nearly as fast as they are released from neurons, enabling scientists to study neural computations at the molecular le...
Scientists at UvA have created a new, highly improved bright red fluorescent protein called mScarlet3. This variant combines maximum brightness with fast and complete folding, making it an ideal tool for researchers studying cellular processes.
Researchers developed a new method for measuring indoor air quality using transgenic nematode strains that produce fluorescence when exposed to harmful pollutants. The amount of fluorescence can be measured and used to detect various impurities in the air, including fungal samples, surfactants, and volatile compounds.
Researchers discovered that RNA interference, a viral defence mechanism, also prevents overproduction of body's own proteins in intestinal cells, promoting ER quality control. This interplay is crucial for maintaining protein balance and overall intestinal health.
Osaka University researchers have synthesized a fluorescent protein with the shortest emission wavelength to date, enabling the simultaneous tracking of multiple processes in cells. The new protein, Sumire, exhibits improved brightness and stability compared to existing fluorophores.
Scientists at Oak Ridge National Laboratory developed a self-detect solution to monitor CRISPR gene editing tools in organisms. The system uses a biosensor guide RNA and reporter protein to trigger the technology's reveal itself, enabling real-time detection of CRISPR activity.
Researchers developed a strong UV-visible reporter eYGFPuv that shows no harmful effects on plant biological processes, enabling the monitoring of gene expression and protein localization in diverse organisms. This technique allows for efficient, convenient transformation with real-time visualization in various plant species.
Researchers discovered that bacteria enter corn plants through natural openings at the leaf's edge, causing Goss's wilt. High concentrations of bacteria lead to freckles and disease symptoms.
Researchers have created human cells containing a green fluorescent protein (GFP) that can report on the innate immune response to viral infections. This new tool enables convenient investigation of the human innate immune response to coronaviruses and other viruses.
Researchers developed a novel technique for live-cell imaging with the POLArIS probe, which revealed a new actin structure called FLARE in dividing starfish embryos. This discovery sheds light on fundamental questions of cell division and development.
Researchers from Skoltech and MSU have deciphered the molecular mechanism of GFP's green-to-red photoconversion, shedding light on its practical implications. The study suggests that understanding this process may hold key to uncovering ancestral proteins' functions and mitigating photobleaching in microscopy.
Scientists designed peptide nanoparticles that can fluoresce in a variety of colors, opening up new biomedical applications. The 12-peptide palette encompasses all visible light colors and is photostable without toxicity.
Scientists from Tokyo Medical and Dental University discovered a key phosphorylation site on the protein Ulk1 that regulates alternative autophagy, a process by which cells recycle dysfunctional contents. The study found that this site is essential for the activation of alternative autophagy under genotoxic stress conditions.
Scientists developed a new technique to image proteins in 3D with nanoscale resolution using lanthanide-binding tags, enabling researchers to identify precise protein locations within individual cells. This breakthrough provides new insights into disease mechanisms and potential treatments.
Bioscientists at Rice University have developed a novel system to amplify gene expression signals, allowing for more sensitive detection of target genes. The system, consisting of two modules, provides high-resolution dynamic information on gene expression dynamics, which are critical for understanding cell behavior.
Researchers studied green fluorescent protein to understand how electric fields impact its twisting motion. They found that tuning the chromophore's electronic properties can significantly alter this process. This discovery could lead to developing light-sensitive proteins for biological imaging and optogenetics.
Researchers at WashU Medicine have developed a method to supercharge protein production up to a thousandfold, which could significantly increase the production of protein-based drugs, vaccines, and biomaterials. This breakthrough has the potential to reduce costs and improve efficiency in various industries.
Scientists at the University of Groningen discovered that an unstable protein, Cln3, triggers cell division in budding yeast by assessing environmental conditions favorability for protein production. The concentration of Cln3 peaks before initiating division, indicating a decoupling between protein synthesis and metabolic processes.
Researchers developed optogenetic platform 'optobody' that activates antibody fragments with blue light, enabling temporal control over protein functions in living cells. The tool has great clinical promise for therapeutic strategies in cancer and inflammatory diseases.
A new frankenbody tool has been developed to enable live-cell imaging, using a genetically encoded probe that binds to specific targets. This probe offers a cost-effective alternative to traditional fluorescent protein tags, allowing for real-time visualization of protein dynamics and RNA translation in living cells.
A new antibody-based probe, called a frankenbody, enables live-cell imaging of proteins by binding to specific targets, like the classic HA tag. This tool allows for real-time visualization of protein dynamics and has applications in RNA translation studies, providing a low-cost solution.
Researchers at Kanazawa University developed a method to visualize and manipulate neural circuits in insects, shedding light on the generation of innate behaviors. The study found that a specific neural cluster plays a crucial role in regulating motivation during courtship behavior.
Researchers discovered that corals emit green fluorescence, attracting symbiotic dinoflagellates and potentially aiding coral recovery after bleaching. This biological signal enhances the chances of meeting new symbionts, suggesting a possible mechanism for corals to recover from heat stress-induced losses.
Reef-building corals use green fluorescent protein to lure in photosynthetic symbionts. The study found that corals emit green light, which attracts Symbiodinium algae, increasing their density by 10-fold.
Researchers developed a novel synthetic antibody that allows for controlled degradation of fluorescent proteins in living cells and tissues, enabling functional analysis. This technology can be used to study essential protein functions in complex vertebrate models.
Rice University scientists invented a bifunctional recognition system called NanoDeg to target specific proteins and regulate their degradation. This plug-and-play system allows for precise control over protein expression levels, enabling the study of cellular dynamics and synthetic gene circuits.
Researchers from MSU and Denmark have discovered the mechanism behind green fluorescent protein's sensitivity to light exposure. They found that an isolated chromophore group can emit light outside the protein environment, while the protein enhances its fluorescent properties.
Chemists have developed a technique to create a spectrum of glowing dyes, offering scientists a way to adjust the properties of existing dyes deliberately. This expanded palette could help researchers better illuminate the inner workings of cells.
A team of researchers from the National Institute of Standards and Technology (NIST) has discovered at least 47 possible start codons in DNA, which can trigger protein synthesis. This finding challenges the long-held assumption that only a small number of three-letter sequences in mRNA could initiate translation.
Researchers have mapped the 'fitness landscape' of a jellyfish gene, showing how multiple mutations interact to affect protein function and fluorescence levels. The study provides insights into how genetic changes combine to influence traits and diseases.
Researchers at Osaka University developed two new gene modification methods, lsODN and 2H2OP, which use CRISPR-Cas systems and ssODN. These methods enable efficient and precise knock-in of large DNA sequences, replacing rat genes with human-derived genes, or generating humanized animals.
Biologists from Moscow State University found new luminescent creatures in the Red Sea, with unique fluorescent patterns that can help identify different species. The study published in PLOS ONE reveals insights into the role of glow in attracting prey and exploring symbiotic relationships.
The Journal of Biomedical Optics special section honors Osamu Shimomura's work on green fluorescent protein, enabling researchers to observe molecular-level activity in live cells. Recent studies detail new applications of protein photonics, including multicolor imaging and monitoring cellular magnesium levels.
Researchers at Arizona State University have discovered a novel mechanism driving the evolution of green-to-red photoconvertible phenotype in green fluorescent proteins. The study reveals that hinge migration, driven by long-range dynamic motions, can lead to the acquisition of red fluorescence.
Researchers discovered that using solid-state proteins instead of solution increases laser intensity, leveraging natural protein structures to optimize brightness. This breakthrough enables the development of efficient miniature solid-state lasers and potential biocompatible applications.
Researchers developed a system to identify high-affinity nanobodies, which can precisely target specific molecules. This allows scientists to select the best nanobodies, eliminate cross-reactive ones, and generate super-high-affinity dimers for therapeutic or diagnostic applications.
Researchers developed novel protein/polymer nanostructures, reminiscent of living cell fibers, for material fabrication. The modified GFP molecules formed long fibers that disassembled with sound waves and reassembled within days.
Researchers successfully delivered adeno-associated virus serotype-5 (AAV-5) to the rat trigeminal ganglion, demonstrating transduction efficiency in sensory neurons. The study's findings support the use of AAV-5 based gene therapy approaches for evaluating target proteins and potential treatments for trigeminal pain disorders.
Scientists have observed intact protein interactions directly in a live animal's brain for the first time, using a novel imaging technique. The study reveals that proteins interact within neurons during brain development, forming complex networks.
Researchers have successfully inserted custom genes into mouse sperm, which are then inherited by their offspring and subsequent generations. The study paves the way for a new frontier in genetic medicine, where diseases can be effectively cured and new human attributes may be possible.
Researchers at Princeton University created enhanced proteins that respond quickly to changes in neuron activity, allowing for a more precise view of neuron signals. The new sensors can be customized to react to different rates of neuron activity, giving scientists a comprehensive understanding of brain-cell communication.
Researchers have developed a way to see where and how memories are stored in the brain by attaching fluorescent markers to synaptic proteins. The microprobes allow scientists to observe live excitatory and inhibitory synapses for the first time, showing how they change as new memories are formed.
Researchers at the Weizmann Institute of Science created a two-dimensional cell-like system on a glass chip, enabling precise observation of gene expression and protein behavior. The system allows for the simultaneous production and trapping of multiple proteins, revealing a spectrum of protein activities.
Researchers at MIT have designed new synthetic biology circuits that combine memory and logic, enabling the creation of long-term environmental sensors and efficient controls for biomanufacturing. These circuits can be used to program stem cells to differentiate into other cell types and provide precise long-term memory.
Researchers at Scripps Research Institute have devised an inexpensive and sensitive method to mark and select cells. The technique utilizes the tight binding of two proteins that are cheaply obtainable but not found in human or other mammalian cells, enabling efficient cell sorting with minimal unwanted side effects.
Researchers from MIT have developed a new tag, APEX, that enables high-resolution visualization of proteins in cells using electron microscopy. The APEX tag allows scientists to label and identify specific proteins with unprecedented clarity, resolving open questions regarding protein locations and functions.
Researchers capture video footage of protein traffic inside a neuron using bioluminescent proteins, showing proteins are directed to compartments and then stopped. The new imaging technique provides insight into the brain's continuous renovation process.
The new device, created by Javier Atencia, features a diffusion-based gradient generator that reduces the risk of cell damage and offers simplicity. In experiments, cells were exposed to cycloheximide, resulting in increased fluorescence levels as the chemical concentration decreased.
Researchers at Weill Cornell Medical College developed an RNA mimic of green fluorescent protein called Spinach to track the mysterious workings of various forms of cellular RNA. This technology will help unlock secrets of RNA's diverse roles in human biology and disease.