The newly discovered Asfaltoventor vialidadi from Patagonia exhibits a unique blend of skeletal traits, challenging current understanding of tetanuran relationships. This finding supports the concept of evolutionary experimentation during periods of rapid diversification and mass extinctions.
Scientists identify a new type of RNA modification in bacteria that is attached under stress and removed quickly. The sulfur-containing base modification helps regulate protein synthesis and could serve as an efficient detoxification mechanism to remove reactive chemical groups.
Researchers have identified RNase T2 as a central component in the innate immune response, which activates the receptor TLR8 when recognizing foreign RNA fragments. The enzyme is highly conserved across species and plays a crucial role in the activation of the receptor.
LMU researchers found that a central component of the innate immune response is activated by two short RNAs generated by site-specific cleavage of a precursor RNA molecule, mediated by the same enzyme RNase T2. The activation of one receptor, TLR8, is triggered by binding of these degradation products.
Cyanobacteria and plants use similar mechanisms to regulate cyclic electron flow during photosynthesis, according to LMU biologists Marcel Dann and Dario Leister. Two proteins, PGRL1 and PGR5, mediate control of CEF in plants.
Researchers have developed a novel, highly porous material that enables efficient hydrogen production from water using less expensive catalysts. The new electrode surpasses commercial systems in terms of activity and achieves significant reductions in iridium usage.
Researchers at Ludwig-Maximilians-Universität München have developed a new workflow for producing formaldehyde that increases yields by a factor of five, making it more efficient and sustainable than traditional methods. This breakthrough could significantly contribute to climate mitigation, with annual global production exceeding 20 m...
Researchers find over 100 insect larvae in amber, providing new evidence on the ecology of Eocene-era forests. The discovery supports a warm-to-temperate seasonal humid forest ecosystem interpretation, and offers insights into the evolution of dipteran larvae.
Researchers optimized DNA-PAINT for faster image acquisition using orthogonal DNA sequences, achieving sub-10nm spatial resolution and multiplexing capabilities. This improvement allows for biomedically relevant high-throughput studies, such as diagnostic applications.
Research by LMU Munich chronobiologists reveals that sleep-wake cycles drive cycles of protein abundance and phosphorylation in synaptic proteins. Synaptic phosphorylation plays a key role in regulating synaptic function, particularly during sleep-wake transitions.
Scientists at LMU Munich explore initial consequences of light-molecule interactions on aerosol surfaces. They develop new method, reaction nanoscopy, to study elemental physicochemical transitions on solid interfaces with high spatial resolution.
Archaeological analysis of Bronze Age cemeteries in southern Germany reveals that nuclear families lived with foreign women and individuals from lower social classes. The study, published in Science, suggests a complex social structure where wealth was correlated with biological kinship or foreign origin.
Researchers propose a cascade of chemical reactions to produce RNA's four genetic building blocks, creating a pivotal step in chemical evolution. The process requires simple precursor molecules and can occur under homogeneous environmental conditions.
Researchers at LMU develop first molecular motor that moves on an eight-shaped path using hemithioindigo dyes and green light. The new motor system offers improved switching properties and reduces environmental harm compared to existing motors.
Children between 3-4 years old value generosity and benevolence as a general norm, while older children (5-6) develop a more complex concept of fairness that includes reciprocity. The study suggests that reciprocity norms are not fully developed until around age 5.
Researchers at LMU Munich and the Max Planck Institute of Quantum Optics successfully simulated a specific lattice gauge theory using two-component ultracold bosons in optical superlattices. The study provided a controlled view of fundamental physical phenomena, including the interactions between particles mediated by gauge fields.
Research reveals that Toxoplasma gondii's mother cells share micronemal proteins with daughters during asexual reproduction. This recycling mechanism enables the reassembly of vital organelles for parasite propagation.
Scientists at LMU Munich have successfully quantified the energy released by thorium-229 nucleus decay, a crucial step towards developing a nuclear clock. The study enables lasers to emit in a wavelength range that can excite the nucleus, paving the way for a new era of precise measurements.
A study published in Nature Communications reveals that inherited germline variations and somatic mutations interact to determine the course of Ewing sarcoma disease. The research, led by Dr. Thomas Grünewald, shows how genetic context influences tumor growth and progression.
Researchers create a novel method using magnetic tweezers to study the mechanical forces that activate proteins like VWF, which initiates blood clots. The technique reveals the unfolding of VWF dimers under low forces, shedding light on the first step in blood coagulation.
Researchers have elucidated the complete three-dimensional structure of the MR complex, a molecular machine responsible for detecting and repairing DNA damage. The new structure reveals how the complex binds to DNA and initiates repair processes, shedding light on the intricate mechanisms involved.
Researchers at Ludwig-Maximilians-Universität München use computer simulations to study the invasion of epithelial cells and bacterial biofilms into confined microspaces. They discover three distinct modes of invasion based on the level of motile activity, which can lead to clusters of cells detaching and 'worming' through narrow gaps.
LMU biologists have identified a general alarm signal that activates the Unfolded Protein Response (UPR) in mitochondria, ensuring protein degradation and restoring normal cell function. The signaling pathway is triggered by a decline in mitochondrial membrane potential and involves transcription factor ATFS-1.
A study published in The Plant Journal has provided new insights into the dynamics of metabolic processes in eukaryotic cells. By quantifying the subcellular distribution of proteins and metabolites, researchers have identified key regulatory mechanisms controlling plant metabolism.
A team of researchers found that tiny gas-filled bubbles in volcanic rocks can facilitate physicochemical interactions, potentially accelerating prebiotic chemical evolution. The study suggests that temperature differences at these interfaces could have initiated the emergence of living systems on early Earth.
A team of researchers at LMU in Munich has found that messenger RNAs are transported between the cell body and nerve processes like sushi on an endless conveyor belt, allowing them to reach specific synapses. The discovery sheds light on how proteins are delivered to synapses, a crucial process for learning and memory.
A biophysical study reveals that enzyme ABCE1 adopts multiple structural conformations during ribosome recycling, enabling it to dissociate ribosomal subunits. This process is crucial for the recycling of ribosomes after each round of translation.
Researchers have discovered a new fossil cichlid species, Oreochromimos, from Central Kenya dating back 12.5 million years, providing insights into the evolutionary history of East African Cichlids and their radiation in the Great Lakes region.
Researchers at LMU Munich discovered that myosin VI directly engages with the plasma membrane, dynamically altering its shape. This interaction enables important cellular processes such as endocytosis and membrane protrusions.
A new fossil species of cichlids has been discovered in Central Kenya, providing a unique glimpse into the evolutionary history of the group. The 12.5-million-year-old discovery dates back to the time of the East African Radiation and is significant for shedding light on the evolution of African cichlids.
Researchers at LMU discovered that Toxoplasma gondii utilizes a previously unrecognized mode of motility, where it secretes membrane material and recycles it into the cell membrane through endocytosis. This process generates a 'fountain-like' flow of membrane material that contributes to the parasite's propulsion along the substrate.
The study found that expansion poses a particularly serious threat to biodiversity in the tropics, while intensification primarily threatens biodiversity in Sub-Saharan Africa. Global agricultural production must increase to meet demand, but this comes at the cost of biodiversity.
A novel marker for non-classical monocytes has identified their direct regulatory role in the adaptive immune response. Monocytes can infiltrate specific tissues, modulating immune cell activities.
A new study reveals that Archaea, particularly the ammonia-oxidizing Thaumarchaea, dominate oxygen-poor deep-sea sediments due to their efficient metabolic system. This discovery sheds light on the importance of these microorganisms in the geochemical carbon and nitrogen cycles.
Researchers analyzed ceramic vessels from Mont Lassois to determine ancient Celtic drinking habits. They found that the Celts consumed imported Mediterranean wines and local beers, contradicting the assumption that only elites drank foreign wine.
Researchers at LMU Munich propose a direct mechanism for synthesizing DNA subunits from organic compounds in a prebiotic environment. This process could have given rise to DNA strands on early Earth, potentially 4 billion years ago.
Researchers have developed a therapeutic approach that utilizes the endogenous process to turn off inflammation and promote healing in the heart muscle. Annexin A1 protein stimulates new blood vessel formation, increasing blood flow and improving cardiac function.
Eukaryotic chromosomes are separated into active euchromatin and inactive heterochromatin by interactions between the two chromatin types. The researchers discovered that heterochromatin core serves as a microlens condensing light in nocturnal retinas.
Researchers characterized Helicobacter pylori's genetic diversity in individual patients, showing adaptations to specific stomach regions and the impact of antibiotics on its population structure and resistance. The study suggests that antibiotics can select for resistant variants and shape the species' evolutionary dynamics.
The study examines 38 specific measures aiming to improve air quality and finds either positive or unclear effects. However, the variability in study findings makes it challenging to draw general conclusions about what works and what doesn't.
The study reveals that brain stem cells use a double-lock mechanism to protect genes that control cell identity, preventing unintended activation. This discovery has great therapeutic potential for reactivating stem cells and could lead to new treatments for neurological disorders.
Bats use echolocation by emitting ultrasonic signals and analyzing echoes to detect objects, but their navigational system relies on a surprisingly small amount of spatial information. This allows them to navigate effectively despite receiving an 'extremely fuzzy picture' of their environment.
Researchers discovered that neutrophils can induce a previously unrecognized type of cell death in tissues, leading to the destabilization of atherosclerotic plaques. This process causes inflammation, which increases the likelihood of plaque rupture and subsequent cardiovascular events.
Researchers have identified a gut microbe, Mucispirillum schaedleri, that helps protect against Salmonella infections. The bacterium competes with Salmonella for nutrients, such as nitrate, and prevents the growth of pathogens by reducing their ability to express virulence factors.
Researchers identify essential protein PCMD-1 in controlling cell division at the centrosomal level, which is also linked to a genetic disease called primary microcephaly. The study provides insights into how centrosome assembly is regulated and has significant implications for understanding human developmental defects.
A recent study by LMU biologists found that personality differences among great tits affect their breeding timing. The more daring birds breed later but earlier when threatened, while less valiant pairs delay breeding until the threat passes.
A new method calculates aggregated genetic risk for depression, identifying young people at highest risk before symptoms emerge. The polygenic risk score is linked to childhood abuse, offering hope for targeted interventions and prevention strategies.
Scientists discover a simple mechanism that allows prebiotic information-bearing DNA sequences to outcompete shorter molecules, enabling the survival and transmission of genetic information. Templated ligation promotes cooperation among complementary sequences, creating stable majorities through intermolecular assembly and replication.
Researchers discovered an unconventional signaling pathway in Trypanosoma brucei, a parasite that causes sleeping sickness. The study identifies a new compound activator for protein kinase A (PKA), potentially leading to targeted therapies.
Scientists have named five new species of tiny frogs found across the island of Madagascar, belonging to the 'narrow-mouthed' frog family. These miniature frogs are remarkable for their extreme miniaturization, with some species reaching lengths as small as 7.7 mm.