Articles tagged with Protein Synthesis
Scientists discovered a paradoxical mechanism where a plant protein that turns on oil synthesis also activates a protein to put the brakes on it. This balance ensures fatty acid precursors are perfectly regulated, preventing toxicity and promoting healthy membrane and oil production.
The study determined the structure of the RebA protein, which synthesizes the plant's high-intensity sweetness. The researchers found that the plant enzyme decorates a core terpene scaffold with three special sugars to create the sweetness.
Researchers developed a fast and efficient way to engineer metabolic pathways using cell-free protein synthesis and SAMDI mass spectrometry. This enables the creation of thousands of potential mixtures to be tested in a single day, providing new insights for synthetic biologists.
A recent study published in Cell Reports reveals how a genetic message to produce healthy heart tissue is altered during stress and aging, contributing to sudden cardiac death. The discovery allows for the potential development of targeted therapies to help people at risk of arrhythmias and heart attacks.
Researchers have discovered genetic regulators that synthesize starch and protein in corn, improving its yield and nutritional value. The study, published in PNAS, found two transcription factors that play key roles in regulating starch and protein synthesis, paving the way for further research to improve corn quality.
Researchers at Far Eastern Federal University developed a technology to synthesize protein from amaranth grains and mushroom mycelium, enriching stock-raising feed. The new feed is biologically equivalent to the storage protein A1 isolated from amaranth, meeting the natural amino acid composition.
A multidisciplinary team at UC San Diego unraveled the mechanisms controlling cell size through a fundamental process known as 'the adder.' The process relies on balanced synthesis of biological ingredients and a critical threshold to initiate cell division. This discovery sheds light on the origins of precise cellular reproduction.
Researchers at Uppsala University found that inhibiting ribosome biogenesis can revert aggressive tumors to a non-invasive state, potentially regaining sensitivity to hormonal therapy. The study also showed a marked reduction in lung metastases.
A team of researchers found that a protein called leucine tRNA-synthetase influences muscle regeneration and regrowth in an unexpected way. Lower levels of this protein enable mice to recover from muscle injury more quickly than those with normal levels, leading to stronger regenerated muscles.
Researchers have developed a simplified method for cell-free protein synthesis, allowing for faster, cheaper, and more flexible production of proteins in a test tube. This technique enables researchers to harness the genetic code directly, providing new opportunities for pharmaceutical and genetic research.
Researchers at the University of Helsinki have uncovered a novel cellular stress response to toxic mitochondrial proteins, which causes complex neurological syndromes. A clinically approved drug has been found to block the production of toxic proteins and trigger a stress response in animal models.
Researchers discovered a correlation between mRNA codon composition and protein abundance, revealing the importance of gene sequence optimization for efficient translation. The study's findings have significant implications for medicine and bioengineering, offering new avenues for treating diseases and boosting biotech applications.
A new mechanism has been discovered that allows eukaryotic cells to synthesize proteins absent in prokaryotes, leading to the enrichment of genes coding for transfer RNAs involved in this process. This finding may lead to the development of strategies to inhibit protein production in diseases caused by their overabundance.
A study in The American Journal of Pathology reveals the connection between endoplasmic reticulum stress and pseudoachondroplasia, a severe inherited dwarfing condition. Disrupting a self-perpetuating cellular loop of ER stress, inflammation, and oxidative stress may lead to therapeutic advances.
Researchers at InStem have identified distinct markers to distinguish ribosomes that are specialized for producing specific sets of proteins. These findings suggest a novel role for the Fragile X Mental Retardation Protein in modifying ribosomal RNA and regulating protein synthesis.
A team of Université de Montreal researchers has visualized RNA molecule organization in cells using super-resolution microscopy. They found that messenger RNAs exist in multiple configurations, contradicting the long-standing model of a stable closed-loop conformation.
Researchers at VIB and KU Leuven uncovered a critical role of the long non-coding RNA SAMMSON in boosting protein synthesis, enabling unrestrained cell growth. The study identifies SAMMSON as an essential step in melanoma initiation.
A new study reveals that a specific long non-coding RNA named SAMMSON interacts with protein CARF in growing melanoma cells, rewiring their protein synthesis networks and promoting cell growth. This interaction helps melanoma cells avoid inducing cell death when they experience abnormalities in ribosome synthesis.
Biologists at UC San Diego have discovered a human gene that inhibits HIV and makes tumor cells sensitive to DNA-damaging agents. The researchers found that the Schlafen 11 protein blocks the synthesis of viral proteins, allowing tumor cells to survive.
Researchers used next-generation RNA sequencing to investigate mitochondrial tRNAs in patients with MERRF, a common inherited disorder. The study found quantitative changes in tRNA abundance and methyl modifications that affect protein synthesis within mitochondria.
Researchers developed a new method to distinguish changes in protein synthesis from degradation in single living cells. They found that protein synthesis and degradation rates change significantly during the cell cycle, with nearly half of proteins stopping to be degraded during mitosis.
Researchers at Princeton University discovered that rabies virus uses a distinct transport process to reach neuronal cell bodies, contrasting with other neuron-invading viruses. Emetine, a protein synthesis inhibitor used to treat amoebic dysentery, efficiently blocks rabies virus transport by immobilizing endosomes carrying the virus.
Scientists have found a mechanism that explains how the protein-making machinery chooses which alternative start sites to use for protein synthesis. The discovery reveals that RNA structure plays a crucial role in determining these start sites, and could lead to new therapies or medications for diseases such as cancer.
Researchers have developed a groundbreaking method for producing complex proteins, known as glycoproteins, in a cell-free system. This innovation has the potential to revolutionize personalized medicine by allowing for rapid and sustainable production of tailored protein medicines. The new approach uses a simplified reaction scheme tha...
Researchers at the University of Maryland Baltimore County (UMBC) have developed a novel method to produce therapeutic proteins within two hours using human blood. The technique involves extracting cellular protein synthesis machinery from human blood and adding recombinant DNA to produce specific treatments.
Scientists have developed a way to alter external factors like voltage to control the transport of molecules through biological channels. The study, published in EPJ E, shows that applying an electric current can overcome energy barriers and facilitate molecule transfer.
Researchers discovered that mechanical forces control protein synthesis speeds by influencing ribosome tunnel geometry and protein segment movement. This finding may lead to a better understanding of disease mechanisms linked to defective protein synthesis.
A recent study from Johns Hopkins University reveals a flaw in the water treatment process that can create toxic transformation products, including 2-butene-1,4-dial. This compound has been linked to negative effects on human cells and may be responsible for toxicity in cigarette smoke and car exhaust.
Researchers at Penn State have identified key steps and proteins involved in cellulose synthesis, a crucial process for biofuels. The study's findings may lead to more efficient breakdown of cellulose for renewable energy production.
A Northwestern University-led team has developed a new way to manufacture proteins outside of a cell, which could have important implications for therapeutics and biomaterials. The team successfully produced high yields of proteins with non-canonical amino acids, opening up possibilities for decentralized manufacturing and distribution...
Researchers at MSU have discovered a molecular timer that regulates protein synthesis, preventing extra molecules from being produced. The mechanism uses stalling ribosomes to control protein production, which could help combat cancerous tumors.
Researchers have discovered a new mechanism by which mitochondria regulate protein synthesis in response to oxidative stress. Using quantitative mass spectrometry and biochemical methods, the team identified redox-active thiols that can slow down cellular protein synthesis machinery when reactive oxygen species are present.
Researchers found that whole eggs stimulate greater post-workout muscle protein synthesis compared to egg whites. The study suggests that consuming protein in its natural matrix is more beneficial for muscles.
Researchers found that proteins with specific sequences can trigger the degradation of their own synthetic ribosomes, leading to aborted translation. However, living organisms also possess a mechanism to counteract this phenomenon, allowing for precise regulation of protein expression in response to environmental changes.
Researchers found an intervention that normalizes multiple biological functions in FXS mice by targeting protein synthesis and actin dynamics. The approach offers a potential treatment for Fragile X syndrome by regulating specific proteins involved in these processes.
Researchers at the University of Basel have discovered that the protein Gcn4 decreases protein synthesis and extends the life of yeast cells. This finding opens new ways to control the aging process and its related diseases.
A study published in the American Journal of Clinical Nutrition found that consuming protein throughout the day, rather than just at two meals, can lead to greater muscle mass and strength in older adults. Researchers analyzed data from over 1,800 seniors in Quebec and discovered a positive correlation between balanced protein intake a...
Scientists at the Salk Institute have discovered an errant protein process in a rare genetic disorder that could help healthy people live longer. The study found rapid protein turnover and enlarged nucleoli in progeria cells, which may serve as biomarkers for aging.
Researchers have discovered that stressed plants need to quickly produce new proteins to survive heat stress. This rapid protein synthesis is crucial for optimal growth and reproduction, as delaying it can severely impair plant development.
A dedicated transport system has been characterized that delivers specific mRNAs to active synapses, allowing for the modulation of synaptic junctions and enabling learning and memory. The key factor involved in this transport binds specifically to regions of its mRNA cargo lacking protein-coding information.
A study published in Cell Metabolism found that high glycogen levels actually impair endurance muscle performance in mice. Glycogenin-deficient mice underperformed normal mice despite having higher glycogen levels, suggesting a switch from oxidative to glycolytic metabolism in slow-twitch muscles.
Researchers create technique to observe mRNA at ribosome sites, revealing protein synthesis and cellular responses to iron. The method is applicable to any type of RNA and could be modified for other interactions.
Researchers at Hebrew University of Jerusalem discover a new mechanism regulating hemoglobin gene expression through stress response. Stress is necessary to produce hemoglobin, and its signal activates enzymes to facilitate splicing.
Researchers at Tokyo Institute of Technology have discovered how gold nanoparticles form within protein nanocages, revealing a key process in biomineralization. The study reveals the role of sulfur-containing residues in enhancing Au uptake and agglomeration into nanoclusters.
Researchers modeled tripeptide production by bacterial translation machinery, confirming a highly sophisticated 'molecular toolkit' for simple lifeforms. The simulation revealed over 900 reactions and 200 chemicals formed as by-products, with non-linear behavior occurring at various stages.
Researchers found that hairpin structures can effectively replicate DNA, leading to faster evolution. This discovery challenges traditional views of DNA replication and provides insight into the origins of life on Earth.
A team of scientists has identified a crucial step in the protein-sorting process, revealing that the signal recognition particle (SRP) recognizes membrane proteins before they are fully synthesized. This discovery highlights the importance of ribosomal tunnels in coordinating protein transport and sorting.
A major milestone in proteomics research has been achieved with the creation of a vast library of over 330,000 synthetic peptides representing all canonical human proteins. This achievement is expected to enhance protein identification and quantification by alleviating current issues in this field.
Two specific proteins recognize defective mRNAs and trigger their destruction, maintaining cell survival. The study reveals a direct competition-based approach for targeting aberrant ribosomes.
A study has identified a new target for controlling cell division, which could lead to insights into diseases such as cancer. The research found that enzymes responsible for lipid synthesis are synthesized at higher efficiency when cells are ready to divide.
Researchers have characterized the structure of a macromolecular complex involved in mRNA transport, showing how RNAs are recognized and bound by binding proteins in the nucleus. The complex allows for the specific recognition and transport of mRNAs from the cell nucleus to the cytoplasm.
A new quality control system in cells has been identified, which recognizes and destroys faulty genetic material by targeting the ribosome and messenger RNA. This discovery could potentially be used to develop new treatments for genetic diseases.
Researchers from Lomonosov Moscow State University demonstrate how an evolutionary ancient mechanism of protein biosynthesis helps a cell resist stress. They developed a technique called FLERT, which allows studying the impact of cell stress on protein synthesis in a short-time scale.
Researchers have discovered new compounds that are more stable and effective than their natural equivalents, leading to a better understanding of protein biosynthesis in cells. This could help design better therapeutics and improve patient outcomes.
Russian scientists have developed a new technique for antibiotic efficiency testing, which measures antimicrobial activity and determines the mode of action. The system allows for the analysis of thousands of compounds per day and provides insights into the efficacy of new germicides.
Researchers at Scripps Research Institute have identified a sub-region in the medial prefrontal cortex that synthesizes proteins for contextual fear memory. Inhibiting protein synthesis before memory formation prevents long-term recall, highlighting the critical role of early protein synthesis.
A study by Nagoya University found that collapse of the MAM is a common pathological hallmark in SOD1- and SIGMAR1-linked ALS. This disruption leads to Ca2+ dysregulation, exacerbating neurodegeneration. The researchers suggest targeting MAM disruption for future therapeutics.
Researchers have discovered that distinct conformations of a protein essential for spliceosome assembly on mRNA precursors significantly influence splicing efficiency. The findings suggest that different structural configurations adopted by the large subunit of U2AF regulate splicing operations, affecting protein synthesis rates and fi...
Researchers found that chloramphenicol and linezolid attack the catalytic center of the ribosome, but stop protein synthesis only at specific checkpoints. This new understanding could lead to better drugs and more efficient treatment of human and animal diseases.
Dr. Phillips' review suggests that protein sources high in leucine, such as whey protein, can maximize muscle protein synthesis and growth. Whey protein's high-quality amino acid profile and digestibility make it an ideal supplement for strength trainers and those looking to preserve muscle mass with age.