Scientists capture unprecedented detail of a large RNA molecule assembling itself into a functional machine, overcoming kinetic traps. The research reveals the dynamic process, including subtle movements that prompt each domain to enter at precisely the right moment.
A new complex-carbohydrate biomolecule has been identified as crucial for Bordetella bacteria to colonize the nose and transmit to a new host. The discovery opens up possibilities for creating a new drug or vaccine that interferes with this glycan, potentially eliminating whooping cough transmission.
Researchers developed generative AI tools to predict protein structures and understand enzyme function. The study reveals the link between evolutionary patterns and catalytic activity, enabling the successful engineering of proteins like luciferase.
A research team at the University of Göttingen has discovered 'protective switches' in the SARS-CoV-2 virus that shield it from attacks by the immune system. These molecular structures were found to stabilize the protein's structure against oxidative damage, allowing the virus to replicate effectively.
Scientists discovered that a bacterial defense system can induce self-destruction when bound to specific proteins, marking a new phenomenon in enzymatic function. This switch allows the bacteria to eliminate a vital molecule needed for survival, ultimately leading to their demise.
Researchers at University of Tsukuba found that hydrogen sulfide production within the respiratory center alters neurotransmissions, disrupting breathing patterns. The study identified variations in this mechanism across different regions, revealing a modulating influence on neural circuits contributing to respiration stability.
Researchers have discovered two new cofactorless oxygenases, TnmJ and TnmK2, which enable bacteria to produce compounds for targeting and breaking up DNA. This breakthrough offers a potentially easier way to study and manufacture complex natural chemicals, including those that could become medicines.
Researchers overcome challenges in synthesizing iron-sulfur proteins by developing a novel protocol that functions in an oxygen-free environment. The protocol uses a combination of protein systems and enzymes to produce mature Fe-S proteins, which has significant implications for synthetic biology and anaerobic enzymology.
Researchers at UC Santa Barbara have developed a synergistic method that allows for the synthesis of non-canonical amino acids, which are important for therapeutic purposes. The process shortens existing multi-step methods by 3-5 steps and provides stereoselective chemistry.
Scientists at the University of Ottawa have engineered an enzyme that can specifically cut small, non-coding RNAs, shedding light on their functions and paving the way for potential therapeutic applications. The new enzyme could be a powerful tool for studying these important RNA species.
The ventral lateral preoptic area (VLPO) has a novel function in inducing arousal, contrary to its traditional role in promoting sleep. VLPO neurons form direct connections with orexin neurons in the LHA, leading to wakefulness induction.
A team of scientists, led by Marco Fraaije from the University of Groningen, has developed an enzyme that can convert lignin monomers into useful chemical building blocks. The enzyme has been engineered to be stable, selective, and faster in conversion, offering a promising solution for the valorization of biomass.
Researchers uncover novel enzymatic transformation for carbon-carbon bond formation, enabling efficient bioproduction of bioactive compounds. The discovery paves the way for sustainable chemistry and comprehensive development of a new class of natural products.
Chelsea Vickers' paper analyzed the 'enzymatic dark matter' in enzymology, revealing a limited number of biochemically characterized enzymes from certain species and phyla. Ryan Woloschuk's paper designed a photoswitchable binding protein using the Z domain, showcasing its potential applications.
Researchers created a zebrafish model to study pseudoxanthoma elasticum (PXE), a rare genetic disease causing calcification in the retina and vascular system. The new model provides insights into the disease's mechanisms and identifies potential drug targets.
Scientists have discovered an enzyme that becomes catalytically active when exposed to blue light, enabling a wide range of biotechnological applications. The enzyme, found in Pseudomonas aeruginosa, uses a flavin-NADH complex to facilitate a new monooxygenase reaction.
Scientists at the University of Groningen mapped the structure of a transport complex in bacteria, revealing that it works very efficiently using three independent lifts. This discovery has implications for human brain cells, where a similar transporter plays a vital role in signal transduction.
Fungi's genes encode enzymes that use simple building blocks to build complex molecules through a decade-long collaborative research effort, revealing a surprising Diels-Alder reaction. This discovery opens paths for improving chemical reactions and harnessing the enzyme to create new compounds with biological activities.
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.
Researchers have discovered the first confirmed human case of 2,3-dioxygenase deficiency, a rare metabolic disorder characterized by excessive serotonin levels. The study, led by Aimin Liu at UTSA, uses advanced instrumentation techniques to document the patient's conditions.
Scientists develop new fluorescent imaging agents to detect enzyme activity in healthy and diseased tissues, enabling early disease identification and direct measurement of drug treatment effectiveness.
Researchers at Princeton University have revealed the structure and biosynthesis of streptide, a peptide involved in bacterial quorum sensing. The study used a combination of chemical and biological approaches to determine the structure of streptide and its mechanism of production.
Researchers revised classical enzymatic theory by incorporating long-lasting protein-water coupled motions into models of functional catalysis. The study revealed a new biological phenomenon where water motions adapt to substrate binding, critical for effective binding.
Researchers at Virginia Commonwealth University identified how zinc interacts with caspase-3 to regulate apoptosis. The findings may lead to targeted drug interventions for treating cancer and neurodegenerative diseases.
Professor Yasuhisa Asano received the 2013 Enzyme Engineering Award for his contributions to microbial degradation and transformation of nitrile compounds. He has engineered enzymes for large-scale production of amino acids, nucleic acids, and other biotechnological tools.
Félix Goñi, a renowned researcher, has received the prestigious European Avanti award for his groundbreaking work on cell membrane lipids and their role in programmed cell death. The award recognizes his contributions to the understanding of biophysics of lipids, including metabolism, enzymology, structure, and membranes.
Researchers at the University of Copenhagen have discovered an enzymatic ignition key that can be turned on and off, allowing enzymes to work three times harder. This breakthrough has significant implications for understanding and potentially curing diseases such as diabetes, cardiovascular disease, stroke, and acne.
A new software program, called a DNA compiler, designs synthetic DNA sequences to control protein production in simple organisms. The technology allows biotechnology companies to quickly identify the best DNA sequence for a particular application, increasing efficiency and productivity.
Methods Navigator is an online tool that enables life scientists to search, access, and apply the right method for their research. With access to over 50,000 articles and 120 commonly used protocols, Methods Navigator simplifies the scientific workflow.
Scientists at TUM have developed a novel method to observe hydrogen bond formation in protein binding processes. Their model system showed that protein recognition takes place via hydrophobic interaction of the S-protein with two spatially clearly defined areas of the unstructured S-peptide.
James A. Wells, a UCSF professor and director of the small molecule discovery center, has made groundbreaking contributions to protein engineering and discovery. He integrates multiple disciplines to design molecules that selectively activate or inhibit cellular processes.
A Rutgers University—Camden biochemist is creating a database for quick background checks on all known enzyme functions, including energy-creators like ATP and ADP. The goal is to create a standard vocabulary to describe how enzymes function for the biomedical community.
The new technology uses self-replicating RNA molecules to detect specific chemicals, allowing for precise measurements of drugs, toxins, and other substances. This method has the potential to revolutionize fields such as medicine, environmental monitoring, and molecular computing.
Denise Galloway, a microbiologist, was honored for her work on human papillomaviruses causing anogenital malignancies. Her studies established that nearly all cervical cancers are caused by HPVs, leading to breakthroughs in Gardasil vaccine development. Gerald Smith, a geneticist and microbiologist, was recognized for his research on h...
A new approach, MisPred, uses five principles to identify suspect proteins with abnormal or incomplete annotations in public databases. The majority of errors are attributed to the absence of expected signal peptides and domain integrity violations.
Researchers have gained a clearer understanding of how p300/CBP controls gene activity, providing new avenues for designing drugs. The study's findings have implications for cancer treatment, diabetes, heart disease, and HIV, with potential applications for developing targeted therapies.
The GreeneChip device uses nearly 30,000 pieces of genetic material to identify pathogens in human fluid and tissue samples. This technology enables rapid and specific diagnosis of emerging infectious diseases, including a previously undiagnosed fatal case of malaria.
Researchers at Salk Institute and MRC discovered how slime molds synthesise the chemical signal DIF-1 using a unique type III PKS domain arrangement. This discovery informs the development of more efficient methods for producing modified polyketides for human use, highlighting the complexity of natural chemicals in biological systems.
Researchers have discovered a new compound that specifically targets FKBP38 receptor, reducing programmed cell death in neuronal cells. The compound protects neurons and promotes neural stem cell proliferation, offering potential therapeutic application for stroke and other neurodegenerative diseases.
Dr. Walsh will focus on his research on nonribosomal peptide synthetases, which biosynthesize a variety of biologically active peptides. He will discuss the molecular logic of enzymatic assembly lines and tailoring enzymes that modify the peptides.
Stanford researcher Matthew Bogyo and colleagues discovered that cathepsin cysteine proteases help build blood vessels to tumors, increase tumor growth and invasiveness. A broad-spectrum inhibitor slowed tumor development in mice with no apparent side effects.
Researchers at Yale University have made significant breakthroughs in understanding the helicase function of the hepatitis C virus. By visualizing the behavior of the viral enzyme NS3, scientists discovered that it moves with a discontinuous stepping motion that alternates rapid translocation with pausing.
A study by Nikola Pavletich and colleagues reveals that BRCA2 protein binds to damaged DNA, repairing it. This discovery sheds light on the mechanism of breast cancer development and opens new avenues for treatment strategies.
Researchers identified a specialized protein that catalyzes conformational change of mitotic proteins, allowing correct exit from mitosis. This finding has significant implications for understanding and developing anti-cancer agents targeting this mechanism.