A new study reveals that bacterial evolution can occur in ancient sub-seafloor sediments with low nutrient availability. The genomes of bacteria isolated from these sediments show a high proportion of pseudogenes and reduced genetic recombination, leading to the accumulation of deleterious mutations.
Researchers found that certain personality types excel in specific countries and years due to environmental factors like predator presence and beechmast availability. This suggests that spatial and temporal variation in selection promotes the maintenance of behavioral differences within species.
A study by Ludwig-Maximilians-Universität München's researchers found that the CD40L/CD40 interaction plays a crucial role in atherogenesis. The team showed that inhibition of this interaction can reduce atherosclerosis-associated clot formation and stabilize plaques, offering new therapeutic strategies for cardiovascular disease.
Researchers have elucidated the structure of VIPP1, a protein essential for thylakoid membrane assembly and stability. The study's findings will facilitate biotechnological efforts to enhance plant resistance to environmental stresses.
Researchers developed an open-source camera to capture mice's view in their natural environments. The study reveals that mice have adapted to perceive colors in the green and ultraviolet regions to aid survival and reproduction.
A recent study by Frauke Kreuter and colleagues shows that individual interviews can provide valuable insights into the development of social phenomena, even in an era where big data dominates. The global Covid Trends & Impact Survey uses human social sensing to forecast the pandemic's trajectory, with preliminary results suggesting a ...
A study has elucidated the structure of a protein crucial for photosynthetic membranes' assembly and stability. The insights will boost biotechnological efforts to enhance plants' ability to cope with environmental stresses.
Researchers from LMU have identified two RNA-binding proteins that regulate synaptic transmission in distinct ways, controlling mRNA levels and translation. These findings provide insight into the mechanisms of neurological disorders such as epilepsy and autism.
Researchers discover that proteins PGRL1 and PGRL2 regulate PGR5's function in photosynthesis. PGRL2 is a supervisor protein that works with PGRL1 to activate PGR5, while its absence causes PGR5 to become hyperactive and destructive.
Researchers found that fruit flies Drosophila melanogaster and Drosophila virilis use different mechanisms for dosage compensation. The primary components MSL2 and CLAMP are present in both species, but their binding sites on the X chromosome have evolved differently.
A team of biologists identified a family of algae as a living missing link in the microscopic domain. The discovery sheds new light on the evolution of these organisms and clarifies their evolutionary history.
Physicists used attosecond pulses to study tungsten crystals' photoelectron emission dynamics. The results show that electrons from neighboring energy states in the valence band differ by tens of attoseconds in their response times.
Researchers found that 14-3-3sigma acts as a tumor suppressor in the gastrointestinal tract, inhibiting cell division and DNA damage repair. Its expression is downregulated in metastatic tumors and low levels correlate with worse prognosis.
A new study found that people trust AI as much as humans, but are unwilling to compromise and cooperate with machines. Researchers conducted large-scale online studies using methods from behavioral game theory, finding a consistent pattern of 'algorithm exploitation' where humans exploit AI's benevolence for personal gain.
Researchers have calculated that exomoons orbiting free-floating planets could harbor sufficient water to make life possible and sustain it. The study found that the presence of cosmic radiation and tidal forces could keep water in a liquid state, making these systems promising for the detection of life beyond Earth.
Laser physicists have built the first compact two-stage plasma-based accelerator, accelerating particles to near-light speed within a few millimeters. The hybrid plasma accelerator has shown more than three orders of magnitude higher acceleration fields than conventional accelerators.
Researchers found that locally adapted cultivars can increase crop yields by up to 20% even under moderate warming, and that strong warming threatens adaptation. Innovative breeding methods like CRISPR-Cas may help develop required cultivars quickly and targetedly.
Ion transporters in chloroplasts play a crucial role in regulating gene expression, influencing the efficiency of photosynthesis. This discovery has significant implications for enhancing photosynthetic efficiency under unfavorable environmental conditions.
A survey of 1000 British adolescents found that nearly four-fifths have encountered pornographic content online, with many visiting dedicated sites frequently. The study suggests pressure should be placed on global publishers to introduce effective age restrictions across social media platforms.
The new Käte Hamburger International Research Center will study globalization from the dynamics of 'dis:connectivity', considering opposing forces, diversions, and loss of connectivity. Researchers hope to develop a practice-based understanding of globalization combining scholarly approaches with aesthetic points of view.
Researchers at LMU München have used artificial laboratory evolution to identify mutations that enable cyanobacteria to tolerate high light levels. The team found that most of the beneficial mutations affected specific proteins, enabling cells to adapt to changing lighting conditions.
SARS coronaviruses enhance protein production in infected cells, leading to increased viral replication. The unique domain of the virus interacts with human Paip-1, binding to ribosomes and promoting viral protein synthesis.
Researchers have successfully created chiral objects using DNA origami and gold nanoparticles, exhibiting efficient energy transmission. The discovery enables potential applications in virus detection and optical computing, leveraging the unique properties of plasmonic transmitters.
Researchers at LMU München found that diffusiophoresis can facilitate directed particle transport in cells, even without motor proteins. The mechanism sorts particles by size and has implications for understanding cellular processes and potential applications in artificial minimal cells.
Researchers analyzed ancient bones from A??kl? Höyük to determine the ages of unborn and neonatal lambs. The study reveals that early Neolithic sheep-herders faced high levels of mortality among young animals, with infections, malnutrition, and overcrowding being primary causes.
Scientists have developed a new material with faster and more efficient electrochromic properties than existing materials. The material, called Covalent Organic Frameworks (COFs), can be triggered by an applied electrical voltage, allowing for rapid color change and high sensitivity to electrochemical oxidation.
Researchers have developed improved gene vectors for ocular gene therapy, allowing for widespread delivery and reducing risks associated with traditional approaches. These vectors are being tested in clinical trials and have shown promise in restoring daylight vision in animal models of achromatopsia.
A research team led by LMU zoologists identified fossils of insect larvae in Baltic amber, which suggest open areas of grassland nearby. In another sample, a rare Cretaceous butterfly larva with spines was discovered in Myanmar amber, supporting the idea that butterflies underwent early diversification.
Researchers demonstrate that basic features of simple polymers and prebiotic environment can give rise to selection processes that reduce disorder. They identify specific base sequences that enable oligomers to fold into particular shapes, leading to the emergence of catalytically active complexes like ribozymes.
Researchers at LMU have developed a theory explaining how cells perceive their own shapes and use this information to direct protein distribution. A concentration gradient within the cell encodes shape information, which is decoded by self-organized protein patterns.
Researchers studied cell interactions in a microscopic 'cell collider' and found that normal cells repel each other's protrusions, while cancer cells try to squeeze past each other. The study suggests new approaches for understanding cancer cell behavior and identifying molecular bases for these differences.
Research on T cells reveals that prolonged exposure to antigens can lead to exhaustion, reducing their ability to contribute to immune responses. A new model study identifies dynamic adjustments in T helper cells' states of exhaustion and suggests potential therapeutic targets.
Researchers have developed a strategy to amplify fluorescence signals using DNA probes and nano-antennas, enabling the detection of biomarkers in low concentrations. This technology has the potential to enable medical screening on patients without laboratory analysis.
New study reveals that N-terminal acetylation shields proteins from degradation and inhibits programmed cell death, opening up new approaches for cancer therapy. IAPs play a wider role in protein quality control, recognizing defective proteins for destruction, and triggering apoptosis in tumor cells.
Researchers discovered that MS immune cells destroy excitatory synapses, impairing neural activity. However, the destruction is reversible upon inflammation resolution, offering new therapeutic approaches to slow disease progression.
Researchers have found that dendritic cells in young animals are capable of triggering effective immune reactions, challenging the conventional view on their immaturity. These findings suggest new ways to boost the efficacy of vaccines for young children.
Researchers have shown that new ecological variants can evolve within thoroughly mixed yeast populations, diverging into distinct phenotypes and genetic classes. The emergence of these differences is attributed to newly acquired mutations in 50:50 mixtures, rather than the selection of existing variants.
Researchers have identified a mechanism that allows Trypanosoma brucei to express only one surface protein variant, avoiding detection by the immune system. This finding has implications for understanding and potentially inhibiting antigenic variation in pathogens.
Physicists at LMU Munich identified topological phases in a biological model system, showing a strong degree of polarization in evolutionary dynamics. The study applies solid-state physics concepts to understand the emergence of such effects in biology.
A team of researchers has found evidence that people in the Levant were eating turmeric, bananas, and soy in the Bronze and Early Iron Ages, tracing back to South and East Asia. Long-distance trade in culinary goods connected distant societies since at least the Bronze Age.
Researchers have developed nanoparticles that can breach cell barriers and kill tumor cells, reducing tumor sizes by 40-70% in mice. The highly selective toxicity of the particles offers new hope for treating aggressive cancers.
Researchers develop a method to create complex, low-symmetry structures by assembling organic monomers into cyclic macromolecules. These 'foldamers' mimic the properties of biopolymers and offer an ideal model system to study protein folding and interactions.
Researchers developed a new method that characterizes biological pattern-forming systems using mathematical analysis and geometry. This approach reveals the underlying physical principles governing self-organizing molecular patterns in cells.
Researchers have uncovered new details of human ribosome maturation, revealing a crucial step in protein synthesis. The study identifies key enzymes and proteins involved in the final trimming step, which is essential for producing functional ribosomes.
Researchers at Ludwig-Maximilians-Universität München identified a mechanosensitive ion channel in an endolysosomal system of macrophages. This channel is activated by mechanical stimuli and alterations in osmolarity, regulating the secretion of signaling molecules that control the immune system.
Researchers used ancient DNA samples to reconstruct the population history of prehistoric dogs, finding they diverged into at least five distinct lineages by 11,000 years ago. The study also suggests human-dog migration patterns didn't always align, with some populations showing little genetic influence from wolves.
Ludwig-Maximilians-Universität München researchers have developed light-gated compounds that allow precise control of cytoskeleton dynamics in neurons. These compounds can optically pattern cell division and may elucidate how Taxol acts, providing a new approach to understanding cellular cargo trafficking and regulation of mitosis.
Scientists have created a light-activated chemical inhibitor that can control two fundamental cellular processes: cell division and cell death. This innovation has significant implications for studying cellular functions, understanding medical disorders, and designing new therapeutic strategies.
A new study examines local attitudes towards Chagas disease and its transmission, highlighting the need for culturally sensitive campaigns. The findings suggest that social and cultural factors play a significant role in shaping public perception, particularly regarding preventive measures and treatment options.
A research team led by Ludwig-Maximilians-Universität München found that marine sponges can accumulate microparticles, including plastics and textile fibers, in their tissues. The study suggests that sponges could serve as useful bioindicators for monitoring microscopic pollutants in the seas.