Articles tagged with Enzymes
Comprehensive exploration of living organisms, biological systems, and life processes across all scales from molecules to ecosystems. Encompasses cutting-edge research in biology, genetics, molecular biology, ecology, biochemistry, microbiology, botany, zoology, evolutionary biology, genomics, and biotechnology. Investigates cellular mechanisms, organism development, genetic inheritance, biodiversity conservation, metabolic processes, protein synthesis, DNA sequencing, CRISPR gene editing, stem cell research, and the fundamental principles governing all forms of life on Earth.
Comprehensive medical research, clinical studies, and healthcare sciences focused on disease prevention, diagnosis, and treatment. Encompasses clinical medicine, public health, pharmacology, epidemiology, medical specialties, disease mechanisms, therapeutic interventions, healthcare innovation, precision medicine, telemedicine, medical devices, drug development, clinical trials, patient care, mental health, nutrition science, health policy, and the application of medical science to improve human health, wellbeing, and quality of life across diverse populations.
Comprehensive investigation of human society, behavior, relationships, and social structures through systematic research and analysis. Encompasses psychology, sociology, anthropology, economics, political science, linguistics, education, demography, communications, and social research methodologies. Examines human cognition, social interactions, cultural phenomena, economic systems, political institutions, language and communication, educational processes, population dynamics, and the complex social, cultural, economic, and political forces shaping human societies, communities, and civilizations throughout history and across the contemporary world.
Fundamental study of the non-living natural world, matter, energy, and physical phenomena governing the universe. Encompasses physics, chemistry, earth sciences, atmospheric sciences, oceanography, materials science, and the investigation of physical laws, chemical reactions, geological processes, climate systems, and planetary dynamics. Explores everything from subatomic particles and quantum mechanics to planetary systems and cosmic phenomena, including energy transformations, molecular interactions, elemental properties, weather patterns, tectonic activity, and the fundamental forces and principles underlying the physical nature of reality.
Practical application of scientific knowledge and engineering principles to solve real-world problems and develop innovative technologies. Encompasses all engineering disciplines, technology development, computer science, artificial intelligence, environmental sciences, agriculture, materials applications, energy systems, and industrial innovation. Bridges theoretical research with tangible solutions for infrastructure, manufacturing, computing, communications, transportation, construction, sustainable development, and emerging technologies that advance human capabilities, improve quality of life, and address societal challenges through scientific innovation and technological progress.
Study of the practice, culture, infrastructure, and social dimensions of science itself. Addresses how science is conducted, organized, communicated, and integrated into society. Encompasses research funding mechanisms, scientific publishing systems, peer review processes, academic ethics, science policy, research institutions, scientific collaboration networks, science education, career development, research programs, scientific methods, science communication, and the sociology of scientific discovery. Examines the human, institutional, and cultural aspects of scientific enterprise, knowledge production, and the translation of research into societal benefit.
Comprehensive study of the universe beyond Earth, encompassing celestial objects, cosmic phenomena, and space exploration. Includes astronomy, astrophysics, planetary science, cosmology, space physics, astrobiology, and space technology. Investigates stars, galaxies, planets, moons, asteroids, comets, black holes, nebulae, exoplanets, dark matter, dark energy, cosmic microwave background, stellar evolution, planetary formation, space weather, solar system dynamics, the search for extraterrestrial life, and humanity's efforts to explore, understand, and unlock the mysteries of the cosmos through observation, theory, and space missions.
Comprehensive examination of tools, techniques, methodologies, and approaches used across scientific disciplines to conduct research, collect data, and analyze results. Encompasses experimental procedures, analytical methods, measurement techniques, instrumentation, imaging technologies, spectroscopic methods, laboratory protocols, observational studies, statistical analysis, computational methods, data visualization, quality control, and methodological innovations. Addresses the practical techniques and theoretical frameworks enabling scientists to investigate phenomena, test hypotheses, gather evidence, ensure reproducibility, and generate reliable knowledge through systematic, rigorous investigation across all areas of scientific inquiry.
Study of abstract structures, patterns, quantities, relationships, and logical reasoning through pure and applied mathematical disciplines. Encompasses algebra, calculus, geometry, topology, number theory, analysis, discrete mathematics, mathematical logic, set theory, probability, statistics, and computational mathematics. Investigates mathematical structures, theorems, proofs, algorithms, functions, equations, and the rigorous logical frameworks underlying quantitative reasoning. Provides the foundational language and tools for all scientific fields, enabling precise description of natural phenomena, modeling of complex systems, and the development of technologies across physics, engineering, computer science, economics, and all quantitative sciences.
Researchers have discovered a way to prevent the Ebola virus from spreading by inhibiting a specific enzyme that allows it to copy itself. By blocking this enzyme, the virus's ability to produce more infection is reduced, suggesting potential breakthrough in treatment.
A team of MGH investigators has developed an approach to convert autoantibodies into anti-inflammatory antibodies using enzymes, which showed promise in treating two autoimmune diseases. The researchers hope this method will provide a more effective and efficient alternative to IVIG treatment.
A novel biochemical assay has been developed to rapidly and sensitively screen for antagonist compounds targeting aldolase A (ALDOA), a key enzyme in cancer cell metabolism. The optimized assay is high-throughput friendly, cost- and labor-efficient, and suitable for analysis of multiple NADH-dependent enzymes.
Researchers found that bacteria navigate randomly but are biased towards nutrient sources, unlike enzymes which move towards areas with less substrate. The study used super-resolution microscopy and discovered run-and-tumble dynamics in enzyme motion.
Scientists used fluorescent tagging to track movement of two enzymes in glycolytic pathway, revealing that aldolase chemotaxed up the reactant gradient produced by the functioning of the first three enzymes. This suggests a possible role for chemotaxis in enzyme cluster assembly, such as metabolons.
Glycans are complex structures composed of sugar molecules that play vital roles in cell communication, immunity, and inflammation. Researchers have created a library of enzymes to study glycans' functions, revealing their importance in health and disease. This discovery may lead to new diagnostics and therapeutics for various conditions.
A new homogeneous assay detects succinate using luminescence, enabling the investigation of a large number of structurally conserved enzymes belonging to the Fe(II)/2-oxoglutarate-dependent dioxygenase superfamily. This method has significant applications in dioxygenase research and has the potential to impact human diseases.
Researchers at Goethe University Frankfurt have successfully designed non-ribosomal peptide synthetases to produce completely new natural products. This breakthrough enables the creation of novel therapeutics and peptides with improved yields and modified structures, offering new avenues for biotechnology and drug development.
Researchers at NREL discovered distinct roles of small sugars in cellulase activity and stability, shedding light on the functions of glycans attached to proteins. This knowledge can be used to improve enzyme performance for biomass conversion to renewable fuels and products.
Scientists have discovered a vital quality control mechanism in mitochondria, crucial for constructing a functional respiratory chain. A faulty enzyme can attach incorrect amino acids to transfer RNA, leading to protein synthesis errors and hereditary diseases.
A study published in Molecular Cell sheds light on the molecular mechanisms controlling Amplified in Liver Cancer 1 (ALC1) enzyme activity. Researchers found that ALC1's 'macro domain' interacts with its ATPase motor, switching off activity when not needed.
Researchers found that high ADAR1 levels correlate with reduced survival rates and disease recurrence in multiple myeloma. Inhibiting ADAR1 in experimental models suggests a potential approach to detect the disease earlier and address its root cause.
A University of Missouri researcher has identified a potential target for therapeutics in treating Lou Gehrig's disease (ALS), which may also help recover patients from strokes and other disorders. The study found that an enzyme called NAMPT plays a crucial role in ALS pathogenesis.
A new drug delivery system uses a synthetic-biological hybrid nanocapsule to target and correct diseased cells at the genetic level, reducing side effects. The platform is programmable, modular, and can integrate diverse peptide sequences for tailored treatment.
A research team has quantified blind spots in protein function, revealing that 30% of proteins with unknown functions are enzymes. This discovery has significant implications for understanding rare genetic diseases and could lead to a better insight into the onset and triggers of inherited metabolic diseases.
A recent study published in Nature Medicine has identified a critical trigger for the damaging inflammation that causes macular degeneration. The enzyme cGAS plays a key role in detecting foreign DNA and is activated in the dry form of age-related macular degeneration, leading to vision loss.
A research team led by Whitehead Institute reveals how a key protein in plants can act imprecisely and how it can be successfully re-engineered to enhance specificity. The new study raises standards for bioengineering in the 21st century, using cutting-edge techniques like metabolomics.
Three new studies have identified key proteins in microbes found in extremely salty environments, enabling them to survive in cold, dry conditions. These findings have applications in green biotechnology and could lead to the removal of toxic contaminants like perchlorate from groundwater.
A Berkeley Lab-led study discovers new types of cellulases from a microbiome, which can break down plant biomass into glucose at high temperatures. The enzymes were cultivated from a cluster of uncultivated bacteria in municipal compost, offering a scalable source for biofuel production.
Researchers have developed enzymes that can perform complex chemical reactions with improved selectivity and efficiency. These catalysts show promise for building molecules with important biological activity and reducing waste in the process. The discovery opens up new practices for chemists to create more powerful tools.
A new study uses neutron analysis to understand the molecular mechanism of an oxygen-generating enzyme that breaks down chlorite, a industrial pollutant found in groundwater and drinking water. The research opens possibilities for future applications in bioremediation and biotechnology.
Researchers have identified enzymes that regulate the speed of protein cargo trucks on cellular highways, a discovery with implications for spinal cord and nerve injuries as well as neurodegenerative diseases. The study found that these enzymes, TTLL-11 and CCPP-1, work together to control traffic flow on microtubule highways.
Researchers at UNC and Auckland University propose a new 'peptide-RNA' theory, suggesting genetic instructions (nucleic acids) and small proteins (peptides) interacted to form life. The theory contradicts the widely-held 'RNA-world' hypothesis, which states nucleic acids gave rise to life.
Researchers identified an improved form of the enzyme Rubisco, which can enhance carbon dioxide-fixation kinetics. The new screening strategy enabled the discovery of 11 mutations that increased efficiency, with potential applications in crops and sustainable food production.
A recent study by Maastricht University Medical Center and Maastricht University found that a specific enzyme, NOX4, plays a crucial role in the brain's sensitivity to hypoxia. This discovery has significant implications for treating post-stroke brain damage.
Researchers identified a sulfur metabolite with antioxidant activity that supports mitochondrial energy metabolism, a crucial process for cellular function. This finding highlights the potential of enzymes involved in sulfur respiration to treat diseases such as diabetes and cardiovascular disease.
Researchers have developed a new enzyme called a base editor that can directly change DNA base pairs, enabling precise genome editing. This technology may one day enable the treatment of genetic diseases by erasing harmful mutations and writing in helpful ones.
Researchers analyzed enzymes secreted by microorganisms living in ocean sediments and found that they break down organic matter to recycle carbon. The study reveals that these microbes scavenge nutrients from dead cells, enabling them to survive in the anoxic environment.
Researchers discovered oxidative enzymes that work together with hydrolytic enzymes to break down cellulose. The study observed these enzymes on the surface of cellulose particles using atomic force microscopy, providing direct evidence of their activity.
Monash University researchers identified PRMT1 as an enzyme essential for the immune system's ability to produce antibodies and clear infections. The discovery opens up new avenues for treating cancer and autoimmune diseases by targeting this enzyme.
Researchers at the University of Edinburgh have made a significant discovery on how a harmful parasite harnesses energy, which could lead to new treatments. The study reveals that targeting a key enzyme linked to metabolism could be an effective way to kill the parasite without harming humans.
University of Wisconsin-Madison researchers have discovered an ancient loosening of a biochemical pathway that led to the evolution of characteristic red pigment in beets. The discovery sheds new light on how plants can produce various compounds and has implications for beet breeding programs.
Researchers discovered that yeast cells form protein aggregates in response to stress, which are then dissolved when the stress passes. The aggregates serve as a protective mechanism for essential enzymes, enabling the cell to quickly recover from stress.
Researchers at Northwestern University have discovered that the enzymatic function of the fly enzyme Trr may not be as crucial as previously thought, suggesting alternative explanations for its role in cancer development. The study found that knocking out Trr's catalytic activity did not affect flies' viability or gene expression.
Researchers at DGIST have synthesized metal-reactive oxygen species that react with nitrile, a triple-bonded carbon and nitrogen compound. This discovery could lead to the development of anti-cancer prodrugs.
Researchers at Charité found that retinol saturase plays a role in adaptive processes in liver cells, increasing with body weight and reducing negative metabolic effects associated with excess glucose exposure. The enzyme's inactivation may offer a new approach to treating metabolic liver disease and its related issues.
Researchers genetically engineered a microbial host to produce fluorinated metabolites and bioplastics, leveraging the potential of living systems to create complex chemical compounds. The breakthrough enables controlled incorporation of fluorine into polyhydroxyalkanoates, resulting in more durable and targeted bioplastics.
Lina Cui, a UNM Assistant Professor, is leading a large-scale research project to understand the chemistry of disease progression and its role in cancer metastasis. The goal is to develop diagnostic tools that target specific enzymes involved in disease spread.
Scientists at the University of Basel created bio-catalytic capsules capable of producing glucose-6-phosphate, a key metabolite involved in carbohydrate degradation and energy storage. The nanocapsules, measuring less than 200 nanometers, can be taken up by cells and may pave the way for new disease treatments.
Researchers have discovered an enzyme that can break down cellulose fibers regardless of their crystalline structure, paving the way for commercial cellulosic biofuels. The enzyme, CelA, excels at hydrolyzing both simple and highly complex crystalline cellulose.
Researchers at Goethe University Frankfurt develop a new mechanism to channel metabolism in baker's yeast, enabling direct delivery of raw materials to desired enzymes. This approach improves sugar conversion into ethanol while minimizing unwanted by-products.
Researchers have created an engineered form of ADAMTS-13 (BAX 930) to restore the missing enzyme in patients with congenital thrombotic thrombocytopenic purpura (TTP), a rare and life-threatening blood disease. The therapy was found to be safe and effective, with no allergic reactions or serious adverse events.
Researchers discovered that cGAS forms a ladder-like complex with cytoplasmic DNA to detect infections. The length of the DNA is critical for this process, and only longer DNA strands activate the innate immune system.
Researchers developed a new method to rapidly screen point mutations in bacteria to enhance their efficiency in breaking down tough plant waste, leading to more affordable and sustainable biofuels.
Researchers have identified a new class of enzymes in hundreds of bacterial species, including those causing disease in humans and animals. These enzymatic flagella enable bacteria to degrade proteins in their environment.
Researchers at Michigan State University studied the unique molecule acylsugars found in tomato trichomes, revealing their diverse structures and potential as natural pesticides. This discovery opens an evolutionary window into plant defense metabolism and could lead to innovative solutions for pest resistance and human medicine.
A new study found that statin use can lower the risk of premature death in patients with cirrhosis. Statins may also help alleviate the course of cirrhosis and decrease fibrosis rates.
Researchers found that licorice extracts from three species can inhibit certain liver enzymes involved in drug metabolism, potentially causing interactions with medications. The team plans to develop a safe and effective licorice therapy using a specific species, G. glabra, for women experiencing menopausal symptoms.
Researchers at Harvard Medical School have identified the mechanism behind red blood cell specialization, controlled by the enzyme UBE2O. The study reveals that UBE2O marks proteins for destruction, allowing precursor red blood cells to become specialized and well-nourished with oxygen.
A discovery by a UQ-Columbia University-University of Washington research group has explained the regulation of pyruvate carboxylase enzyme in Lactococcus bacterium, crucial for efficient milk acidification and cheese production. The findings have significant implications for Australia's billion-dollar cheese industry.
A new chewing gum-based diagnostic test can detect inflammation in the oral cavity within five minutes, allowing for early diagnosis and treatment. The test uses bittering agents to identify inflammatory conditions, which can help prevent serious complications such as bone loss.
Research provides molecular blueprints for bacterial enzymes, enabling targeted drug development. Key differences between bacterial and human enzymes offer a potential solution to antibiotic resistance.
Scientists at the Francis Crick Institute and University of Manchester have developed a new method to screen compounds that is more sensitive than existing methods. This technique, called CoSPI, can help identify allosteric compounds that regulate enzyme activity, which could lead to new treatments for diseases like tuberculosis.
A team of Vanderbilt University researchers has worked out the molecular details of Yatakemycin (YTM), a potent bacterial toxin that prevents DNA replication. The study reveals how YTM stabilizes DNA, making it resistant to repair mechanisms, and could be used to fine-tune its antimicrobial properties.
Researchers have discovered a novel mechanism used by brown rot fungi to break down biomass, using chelators and generating hydroxyl radicals to produce simple building-block chemicals. This method has potential use in bio-refineries for biomass conversion into platform chemicals.
Scientists from the University of Freiburg successfully elucidated the three-dimensional structure of phytoene desaturase, a crucial enzyme in carotene production. This breakthrough offers insights into herbicide binding and reaction mechanisms, which may lead to new agents for crop protection and Golden Rice development.
Researchers at Caltech and USC identified how to accelerate calcite dissolution in seawater, enabling the ocean to safely lock away carbon dioxide. By adding a common enzyme, they increased the reaction rate by 500 times, opening up new possibilities for mimicking natural processes.
Scientists at USC and Caltech have accelerated calcite dissolution in seawater, which could neutralize carbon in deep ocean waters. This process, known as buffering, naturally occurs billions of years and can help mitigate atmospheric CO2.
A NASA-supported experiment on the International Space Station is growing large crystals of pure enzyme to develop improved antidotes for nerve poisons. By harnessing microgravity conditions, researchers hope to create better countermeasures that can quickly reactivate the enzyme and deliver them orally.
Researchers have discovered how certain enzymes in living organisms can repair damaged DNA caused by prolonged exposure to UV light. The enzymes, called (6-4) DNA photolyase, use electrostatic interactions to bind to the damaged DNA and keep it separate from the rest of the cell.