The diffusion of bell beakers in continental Europe was driven by the dissemination of ideas rather than migration, according to a recent genetic study. This finding refutes the long-accepted theory that the spread of cultural elements was associated with significant migrant movements.
A new theoretical framework explains pattern formation in non-equilibrium systems, where local chemical equilibria are constantly changing. This leads to the emergence of self-organizing patterns and chemical turbulence.
The geologically oldest fossil of the genus Archaeopteryx, dating back 150 million years, has been found in Northern Bavaria. The new specimen exhibits unique features that differentiate it from other known specimens, providing a reliable diagnosis for distinguishing Archaeopteryx from its closest relatives.
Scientists have shown that alternation of wet and dry conditions can drive the prebiotic synthesis of RNA nucleosides. The new experiments demonstrate a plausible route for the formation of these building blocks, which constitute the informational components of RNA.
Chameleons' bony tubercles on their heads emit blue fluorescent light when exposed to UV, creating distinct patterns that aid in species recognition. This phenomenon was previously unknown and is believed to play a role in mate attraction.
Researchers from Ludwig-Maximilians-Universität München have identified a signaling pathway that restricts cleavage furrow formation to the mid-plane of the cell. This pathway involves the enzyme Aurora A, which is activated on astral microtubules and diffuses to the cell membrane at the poles to suppress contractile ring formation.
A new study reveals that platelets actively migrate to sites of infection, collecting bacteria into aggregates and facilitating the activation of neutrophils. This active function has significant implications for our understanding of immune defense and potential therapeutic targets for inflammation reactions.
Rhyolitic magmas exhibit varying viscosities, influencing eruption styles. The Munich researchers found minor chemical constituent variations impact viscosity and destructiveness.
Loss of Roquin leads to autoimmune disorders due to imbalance in Treg functions. Inactive Roquin primarily affects regulatory T cells' ability to control T cell activation.
A new study reveals that younger readers are spending nearly twice as much time reading print newspapers as they do online. Despite the rise of digital distribution, the young are actually spending less time with newspaper brands overall, with a 40% drop in attention from younger and middle-aged readers since the turn of the millennium.
A reevaluation of the Haarlem specimen reveals it to be a predator anchiornithid rather than Archaeopteryx, shedding new light on the evolutionary transition from reptiles to birds. The fossil's taxonomic analysis suggests that modern birds are direct descendants of carnivorous dinosaurs.
Researchers have discovered a novel mechanism to reactivate gene expression in mouse embryonic stem cells without causing DNA damage. The new pathway involves enzymatic oxidation of the methyl group attached to cytidine, converting it into 5-formylcytidine, which is then rapidly converted back into unmethylated cytidine.
A new study by researchers at LMU Munich confirms that sponges are the oldest animal group, contradicting previous findings that suggested comb jellies were the first. The team used a refined method to analyze genetic data and found that sponges' simple multicellular structure is more primitive than initially thought.
Researchers at LMU Munich create a new mode of electron microscopy that enables the observation of fundamental interactions between light and matter in real time and space. The technique uses attosecond pulse trains to monitor ultrafast processes initiated by light oscillations onto matter, allowing for sub-atomic resolution.
Researchers have identified lymphocyte clusters in the pericardial adipose tissue as key regulators of the post-infarction immune response. These clusters stimulate an immune reaction that degrades damaged tissues, but also promote tissue repair. The findings suggest a critical role for this process in heart healing.
Researchers found that reduced levels of Staufen2 are associated with a specific impairment of memory in rats. The study shows that Staufen2 plays a crucial role in conveying messenger RNAs to synapses, which is essential for learning and memory formation.
African clawed frog Xenopus laevis study reveals that contrasting visual patterns affect the optokinetic reflex. The level of contrast determines motion perception efficiency, with brightly lit structures against a darker background allowing for better tracking.
Researchers at LMU München precisely tune carbon dot's properties by introducing nitrogen atoms, enabling diverse applications. The study reveals that the physicochemical characteristics can be simply and precisely controlled, opening up new possibilities for energy conversion and bio-imaging.
Scientists have identified a novel pathway that protects mitochondria from toxic protein aggregates, reducing cellular energy production. The mitoRQC pathway, involving the cytosolic protein Vms1, regulates aberrant protein fate and maintains cellular homeostasis.
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.
A recent study found that Helicobacter pylori's mutation rate is high from the beginning of infection, making it challenging to develop an effective vaccine. The bacterium's genetic diversity can also inhibit the production of antigens in a potential vaccine.
A new study argues that voluntary stopping of eating and drinking (VSED) is a form of suicide, requiring regulation by physicians. In many cases, patients would need substantial medical assistance to carry out their intention of fasting to death.
Researchers at LMU's Gene Center found that human cells use a different mechanism to recognize misplaced DNA than mouse cells. The inflammasome complex is activated via the cGAS-STING recognition mechanism, triggering both an antiviral response and a classical inflammatory reaction.
Researchers discovered that early sauropod dinosaurs like Saturnalia tupiniquim were capable of a bipedal gait and had agile ancestors. The brain structure of S. tupiniquim revealed specific features enabling it to track moving objects with its eyes, execute rapid movements of its head and neck in a coordinated fashion.
Researchers found that native North American species have a vegetation period approximately 3 weeks shorter than those in Europe and Asia due to fluctuating temperatures. This difference affects plant productivity and biogeochemical cycling, with implications for climate change impacts on ecosystems.
A new study by Martin G. Kocher and colleagues reveals that groups are more likely to behave unethically than individuals, with honest participants often deciding to misreport in a team setting. The researchers attribute this phenomenon to the exchange of arguments over the validity of honesty norms, which leads to a shift in behavior.
Chemists at LMU München have developed a new synthesis to reduce the speed of a molecular motor, allowing them to analyze its light-driven rotation in complete detail. This breakthrough enables the study of unidirectional motion and opens up potential applications in catalysis and smart materials.
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.
Ludwig-Maximilians-Universität München researchers have developed a method for producing semi-conducting nanocrystals with controlled size, enabling the creation of color-tuned LEDs. The new method uses perovskite-based nanocrystals and allows for high color fidelity and industrial-scale production.
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 new study by LMU assesses the benefits and risks of social media monitoring apps, highlighting their use in verification and tracking individuals across multiple networks. While some see these tools as useful for journalists, others express concerns over personal privacy and potential misuse.
Researchers at LMU present a new theoretical model for the origin of grid cells in the brain, assigning a crucial role to the timing of signals from neurons called place cells. The model suggests that grid cells are generated through synaptic plasticity and transform temporal coordinated signaling into hexagonal patterns.
Scientists at LMU Munich have developed a method to study ion channels in membrane vesicles with greater specificity. They screened compounds that selectively induce the enlargement of early and late endosomes, allowing them to characterize TRPML3 and TRPML1 channels.
A research team used micro-computer tomography to investigate the relationship between parasite and host masses, finding a positive correlation. This suggests that larger hosts support larger parasites. The study also sheds light on the life-cycle of parasitic barnacles, revealing two groups with different competitive strategies.
Modern domestic cats are derived from the African wildcat, with genetic analyses tracing back to ancient Egypt and the Near East. The study reveals that both lineages contributed to the genomes of European cats.
The study suggests that animal phyla emerged rapidly around 700 million years ago, prior to the global Ice Age. The earliest known animal fossils exhibit complex morphologies, indicating animals originated before the Cambrian Period. New molecular-clock analysis produces a new estimate for the ages of the oldest animal groups.
Researchers discovered Corynebacterium glutamicum can implement multifork mode of DNA replication, enhancing its growth rate. The discovery also revealed the bacterium's diploid condition confers advantages in repairing DNA damage and stress responses.
A recent study has shown that a gene variant in Duffy-negative individuals leads to a relative paucity of circulating neutrophils. This phenomenon may provide a selective advantage against infections such as malaria. Researchers believe that the specific properties of these neutrophils have a positive impact on innate immune responses.
A study has identified a specific combination of mechanisms that allows auditory neurons to measure the difference between sound signal arrival times at the two ears with high accuracy. The researchers found that certain structural features of the nerve cells' wrapping play a crucial role in this process.
A new study reveals that microglial cells are essential for normal brain function, and impaired TREM2 gene expression can lead to devastating consequences. The researchers found that mutations in the TREM2 gene disrupt microglial function, leading to impaired phagocytosis and catastrophic effects on energy metabolism.
An international team of physicists has monitored electron scattering behavior in a non-conducting material in real-time. The study reveals that electrons oscillate and collide with atoms within the material, causing energy loss, which could benefit radiotherapy.
Scientists at Ludwig-Maximilians-Universität München demonstrate that tiny spots of silver can significantly reduce energy consumption in light-based computation. By exploiting the properties of plasmon oscillations, they achieve a balance between nanometer-scale dimensions and low energy loss.
Research reveals how hypoxia leads to inhibition of miR-34a, a key tumor suppressor, promoting metastasis and EMT. The findings suggest that targeting this process with drugs could be a therapeutic approach for treating metastasizing colon tumors.
Researchers at LMU Munich develop mechanically stable pentacene nanosheets for flexible electronics and biosensors. The new method eliminates the need for solvents and allows for low contact resistance, enabling applications in vital data acquisition, displays, and solar cells
A German multisite study investigated the role of post-traumatic stress in cancer-related cognitive impairment. The findings suggest that psychological factors may contribute more importantly to cancer-related cognitive impairment than neurotoxic effects of treatment.
A team of biophysicists used experiment and mathematical theory to study the changing composition of a mixed bacterial population. They found that in some cases, a strain with a toxin can outcompete another strain, but this depends on various factors such as the environment and initial inoculum size. The results suggest a complex inter...
A new fossil cichlid discovered in East Africa provides insights into the evolutionary history of the cichlid family. The analysis of its unique 'mosaic-like' set of characters supports the idea that interspecies hybridization played a prominent role in their evolution.
A systematic analysis of chemokine interactions reveals two structural types with different functional effects on inflammation. The study identifies potential therapeutic targets using specially designed peptides that selectively inhibit atherosclerosis and acute inflammation.
Researchers found that ant-plant symbioses break down at least 12 times over the past few million years, as plants adjust their host selection criteria based on altitude and potential tenants. Higher-altitude species tend to form domatia with larger access holes.
A new theoretical model suggests that proteins diffuse most of the way and 'hop on the bus' to reach their destinations faster. The study found that steric hindrance between motor proteins reduces active transport rates, leading to traffic congestion and slower progress.