The study reveals that an intact DNA backbone is essential for the formation of Dewar lesions, which can lead to genetic mutations and cell death. An intact backbone keeps the molecule rigid, straining the pyrimidine ring structure and favoring the reaction that leads to stable Dewar lesions.
A genetic factor regulating sleep duration has been identified in a study of over 4,000 participants. The ABCC9 gene variant affects sleep duration and is associated with metabolic syndrome symptoms. The discovery may explain the underlying mechanisms linking sleep to metabolic health.
Biophysicists studied the interplay of microtubules and motors that shorten filaments, revealing a critical concentration of motors necessary for proper cell division. The research model shows that a traffic jam of motor molecules significantly alters microtubule shortening behavior.
Researchers have identified a versatile inhibitor that prevents viral replication by targeting host proteins, offering potential new treatments for SARS and other coronaviruses. The compound works without harming the host, and its discovery highlights the importance of collaborative research.
Researchers confirm the fundamental physical principle relating individual particle behavior to that of a multiparticle system. Using fluorescent molecules and high-resolution imaging, they measured diffusive behavior of ensembles and single molecules, providing the first experimental confirmation of ergodicity.
Scientists directly observe quantum-correlated particle-hole pairs in a one-dimensional optical lattice, allowing them to unravel a hidden order in the crystal. The work reveals fluctuations at absolute zero temperature and opens new ways to characterize novel quantum phases of matter.
A research team led by Professor Christian Weber has discovered a peptide that promotes the healing of damaged blood vessels and prevents restenosis in stent implantations. The peptide, cathelicidin, was found to improve endothelial cell recovery and prevent the formation of neointima.
A novel binding assay using mass spectrometry simplifies the search for SERT inhibitors, potentially improving treatment of depression and anxiety disorders. The technique avoids use of radiolabeled substances, offering a more efficient and cost-effective method.
Researchers have determined the architecture of the mitochondrial RNA polymerase, revealing its molecular copy machine mechanism. The discovery provides new insights into the evolution of mitochondria and their genome, shedding light on how they produce energy for cells.
Researchers have discovered that the regulatory protein FoxM1 is crucial for the growth of malignant childhood brain tumors, medulloblastomas. The level of FoxM1 expressed in tumor cells significantly correlates with patient survival time, making it a useful prognostic marker to guide treatment strategies.
Scientists at LMU Munich developed a mathematical model that accurately mimics human sound recognition, showing the brain compares stored and perceived sounds efficiently. The new library-based model predicts the flow of information from cerebrum to thalamus, enabling highly efficient real-time implementation.
Researchers have discovered that HCN channels, essential for the heart's electrical signals, are vital for normal repolarization. A new animal model showed a significant reduction in repolarization phase duration when one subtype of HCN channel protein was missing.
Researchers achieve precise control over ultrashort light pulses, enabling the manipulation of electron motion in atoms and molecules. This breakthrough enables new tools for studying sub-atomic processes and understanding atomic interactions.
Researchers identified 37 previously unknown genetic risk loci associated with complex common diseases and elucidated their effect on human metabolism. The study provides a comprehensive evaluation of genetic variance in human metabolism, combining genome-wide association studies and metabolomics.
Researchers at LMU München have developed a facile route to versatile organozinc compounds by synthesizing them as salt-stabilized solids. This allows for easier storage and transportation compared to traditional liquid forms, making them more suitable for industrial applications.
Linguistic researcher Marianne Pouplier aims to clarify why certain sound patterns are rarely encountered in languages, proposing an empirical approach using ultrasound imaging and perceptual tests.
A team of researchers discovered that a single extracellular protein, ECMP-67, drives the formation of calcite in soft corals. This finding allows for understanding how these organisms thrive in environments where other species cannot survive.
Researchers developed a practical and general method to synthesize organoboron compounds for Suzuki reactions, improving yields and reducing waste. The new approach enables the creation of diverse organic molecules, including novel drugs and materials.
Professor Achim Hartschuh at LMU Munich has been awarded a highly endowed EU Starting Grant for his project on new tools for nanoscale optical spectroscopy. He aims to develop innovative methods for optical microscopy and study the physical and chemical behavior of nanostructures.
A team of researchers led by Professor Karl-Peter Hopfner has clarified the structure and function of Mot1, a Swi2/Snf2 remodeler that regulates gene expression by removing TBP from DNA. This process enables genes to be transcribed into messenger RNA.
A team of researchers developed a novel technique to study how cells respond to changing concentrations of chemoattractants. The study reveals two ways cells can reorient in response to changes, and provides insights into the underlying signaling pathways that control chemotaxis. The research has clinical significance for embryonic dev...
Theoretical physicists propose a new method to create and detect anyons, exotic particles with continuously variable statistics. This breakthrough could lead to the development of more efficient quantum computers.
Scientists from LMU Munich have developed a concise and efficient method for synthesizing the alkaloid loline and related compounds. The new approach enables the production of these compounds in sufficient quantities to investigate their various aspects, including their interactions with insects and bacteria.
A study found that dendritic cells release CCL17, which drives atherosclerosis by restraining regulatory T-cell homeostasis. The researchers used transgenic mice to demonstrate the role of CCL17 in promoting atherosclerosis.
Researchers have uncovered how yeast cells recognize and assemble cargo mRNA for transport, a process critical for cell function. The discovery sheds new light on the mechanisms underlying molecular transport in both simple and complex organisms.
Scientists have discovered a previously unknown type of axonal degeneration called focal axonal degeneration (FAD), which is responsible for damage to nerve cells in multiple sclerosis. FAD can be reversed if recognized and treated early, suggesting a potential target for therapeutic intervention.
Virus researchers discovered that VPS4A plays a key role in the release of HIV particles from infected cells. By labeling the enzyme with Green Fluorescent Protein, they tracked its interaction with nascent virions, revealing complex formation and transient activation before budding.
Researchers describe the mechanism of blockade and reactivation in molecular detail, revealing TFIIS's role in facilitating mRNA excision. This process is essential for cell survival and regulates gene activity in stem and tumor cells.
Children living on farms are significantly less likely to develop asthma than others due to exposure to a greater variety of microorganisms. The physiological mechanisms underlying this effect remain unclear, but researchers have identified several species that may be responsible for the reduction in asthma risk.
Researchers have developed a new method for treating genetic diseases using modified mRNAs, which can be administered repeatedly without increasing the risk of cancer or severe immune reactions. In mouse models, this technique successfully restored lung function in mice with a congenital lung defect.
A new theory of energy transfer in photosynthesis is being developed based on experimental findings that challenge the traditional dipole-based mechanism. Energy is rapidly and efficiently transferred when dipoles are orthogonally disposed, contrary to previous assumptions.
A newly discovered protein, PAM68, is essential for the assembly of Photosystem II in green plants and cyanobacteria. The protein's unique function highlights common features between plant and bacterial photosynthesis.
A longitudinal study of over 4000 subjects found that occupational exposure to substances like flour or disinfectants is a significant risk factor for adolescents developing persistent neurodermatitis. The study also highlights the importance of considering career choices in patient care and counseling.
Researchers have described the effects of messengers on infrared spectroscopy of protonated water clusters, allowing for better interpretation of spectroscopic data. The study reveals unexpected interactions between messenger molecules and cluster structures, enabling more accurate analysis of molecular vibrations.
Biophysicists create model to describe nucleosome distribution around transcription start sites, showing that stop signals prevent nucleosome formation. The Tonks model explains the characteristic packing of DNA in cells, shedding light on gene expression and chromatin code.
A study by LMU researchers found that neutrophils play a crucial role in blood coagulation and antimicrobial defense, trapping pathogens in small blood vessels. Excessive clotting, however, can lead to life-threatening conditions like heart attack and stroke.
Researchers from LMU and ETH Zurich have shown that position and momentum can be predicted more precisely than Heisenberg's Uncertainty Principle allows, using a quantum memory. This breakthrough enhances our understanding of quantum memories and provides a method for determining entanglement.
Researchers have found that the wild populations giving rise to melons and cucumbers originated in Asia, contrary to previous assumptions. The study analyzed genetic material from over 100 species of Cucumis, revealing a close living relative of the cultivated melon is native to Australia.
Researchers at Ludwig-Maximilians-Universität München create an artificial crystal of light to observe exotic multiparticle interactions, revealing complex quantum dynamics and periodic collapses and revivals of matter wave fields. The study demonstrates the existence of three-body collisions involving multiple atoms simultaneously.
Scientists present evidence that imprinted genes from the father may promote excessive resource allocation to the fetus, while those from the mother are more conservative. This could lead to sex-dependent differences in disease risk and outcomes.
Researchers identified 158 human genes targeted by herpesvirus miRNAs, which regulate host gene expression and evade the immune system. The study provides insights into viral miRNA functions and suggests potential targets for innovative antiviral agents.
Research suggests that microglia, immune cells in the brain, play a significant role in neuron loss during Alzheimer's disease. Stressed nerve cells secrete chemical messengers that attract microglia, leading to inflammation and elimination of neurons.
A team of LMU researchers has created a genetically modified strain of pigs that consistently develop the essential symptoms of type 2 diabetes. The pigs' physiology is similar to humans', making them an ideal model system for studying the disease, testing new treatments and diagnostic methods.
A new technology called microscale thermophoresis allows researchers to measure interactions under close-to-native conditions, improving decision-making in drug development. The technique exploits the Soret effect to detect binding activity, providing a more reliable method for identifying potential therapeutic agents.
A new gene, KCNN3, has been identified as a significant contributor to the risk of atrial fibrillation. This gene regulates potassium channels in the heart, which can be targeted for therapeutic intervention.
Scientists have created a simple model that can predict the patterns observed in molecular self-organization on surfaces. By combining statistical physics and detailed simulations with images obtained by scanning tunnelling microscopy (STM), researchers were able to formulate a model that can generate a wide variety of patterns, reprod...
Researchers aim to improve understanding of earthquake mechanisms and volcanic eruptions using highly complex calculations on supercomputers. The QUEST project will provide a more detailed picture of the Earth's internal structure, enabling better modeling of earthquake scenarios.
Researchers identified a phosphatase enzyme that removes phosphate from LHCII proteins, allowing for the balance of light energy between two photosystems. This discovery has practical implications for improving plant growth and potentially reducing energy bills.
A study led by Dr. Frank Winkler followed the steps of tumor cell formation in real-time, revealing four stages required for metastasis development. Blocking angiogenesis with Avastin can suppress emergence of brain metastases.
Researchers use novel optical approach to study hybridization kinetics in living cells, finding that DNA-strands with 16 units react seven times faster than those outside, while 12-unit strands react five times slower. This discovery provides valuable insight into the complexity of biological cells.