A research team led by Prof. Dr. Robert Grosse has found that bundled fibers of actin play a crucial role in the expansion of cell nuclei after division. This process is essential for reorganizing genetic information and processing chromatin.
Researchers developed the Effective Catchment Index (ECI) to analyze global data sets and determine how topographic and actual catchment areas differ. The study found that every third catchment has an effective area greater than twice or less than half its topographical area, influenced by water management activities.
A team of scientists has made a breakthrough in understanding the complex process of photosynthesis by discovering that mRNAs transport proteins to thylakoid membranes. This finding opens up new avenues for research into photobiotechnology.
Researchers from the University of Freiburg and their collaborators have developed a new method to simulate the formation of quantum crystals using dipolar atoms. This allows for unprecedented precision in measuring structures that have not been observed before, providing insights into the quantum properties underlying crystal formation.
Researchers identified a new role for bi-directional connections in accelerating communication between brain regions. By creating loops, these connections can establish resonance and amplify signals, reducing the need for synchronization and increasing network efficiency.
Researchers at the University of Freiburg have identified a previously undiscovered domain of the T-cell receptor called RK motif. This discovery enables more precise control over T cells, potentially improving therapies for cancer and autoimmune diseases.
Scientists have synthesized brand-new transition metal carbonyl complexes, including Ta2(CO)12 and M(CO)7+, which transcend new chemical frontiers. These substances go beyond current compound limits, offering new possibilities for practical use and basic science research.
Researchers analyzed the Venus flytrap's biomechanical properties using digital 3D image correlation methods and finite element simulations. They found that the trap snaps shut when under prestress, and only traps with three tissue layers can close correctly.
The giant sequoia's bark has a three-dimensional network of fibers and air-filled cavities that distribute energy and insulate against heat. This unique structure helps protect the tree from wild fires and rock falls, with the bark returning to its original state after damage.
Scientists have successfully predicted the dynamics of binding and unbinding processes on a time scale of seconds to half a minute in pharmacologically relevant test systems. The new dissipation-corrected targeted MD approach reduces computational power by a factor of ten.
Researchers at University of Freiburg developed a novel, stable oxidizing agent that overcomes common disadvantages of existing oxidants. The new reagent allows for the synthesis of reactive species in standard laboratory solvents and has broad applicability in inorganic, organic chemistry, electrochemical research.
Researchers at the University of Freiburg are developing a new storage concept that balances power density with affordability, recyclability and ease of use. The 'Plug-In' project aims to create a scalable and intelligent battery system for decentralized electrification in rural areas.
A research team has created a system that uses light-reactive photo switches to control the formation and degradation of DNA building blocks. This allows for the creation of self-assembling structures with adaptable properties, opening up new possibilities for developing synthetic materials inspired by living organisms.
Researchers at the University of Freiburg have discovered that cancer-causing mutations in the KRAS gene lead to inflammation and slow down tumor growth. The study, led by Prof. Dr. Robert Zeiser, shows that K-Ras plays a dual role in both cancer development and immune response.
A new method helps scientists determine how vulnerable rivers are to drought conditions by analyzing streamflow data, identifying faster and slower components of runoff and their impact on river sensitivity.
The World Karst Spring hydrograph dataset (WoKaS) offers a comprehensive collection of over 400 karst spring discharge data, providing valuable insights into the world's fastest-flowing groundwater. This database supports trend analyses, impact studies, and model evaluations for sustainable water management.
Researchers at the University of Freiburg have discovered a novel flavin N5-peroxide that reacts differently than previously known flavin C4a-peroxide, enabling the breakdown of stable chemical compounds and environmental pollutants.
Scientists discovered that all materials develop identical statistical properties when exposed to mechanical deformation, leading to self-affine surface roughness. This finding explains the observed universality of surface roughness across different scales and materials.
Researchers developed a new method to analyze short beta wave bursts in real-time, associated with rats' movements and behavior. The study shows that increasing the recurrence of these bursts can improve motion control and neuroprosthetics.
Scientists successfully track oscillations with a period of about 150 attoseconds, revealing the temporal decay of quantum interference. This experiment paves the way for new applications in studying atomic and molecular processes triggered by high-energy radiation.
Scientists at the University of Freiburg have developed a method to control electronic dynamics in real time by shaping attosecond pulses. This breakthrough allows for the study of molecular or crystal responses and has potential applications in optimizing processes like photosynthesis and charge separation.
Researchers found that immune cells perceive each other's density to regulate their proliferation, leading to more efficient immune reactions. This mechanism could improve cancer immunotherapies by reducing the risk of excessive immune responses.
Scientists at the University of Freiburg created nanoparticles with polysaccharides, which allow them to pass through the kidneys and be excreted in urine. This breakthrough enables the combination of tumor accumulation and kidney clearance in a single nanoparticle, paving the way for safer nanomedicine administration.
Cancer cells use a camouflaging effect to escape the immune system by binding to SHP2 and PD1, activating a response switch-off mechanism. Researchers at the University of Freiburg and Leibniz University Hannover have identified this protein interaction as a target area for new treatments.
Researchers found that smelling roses before and after bedtime can improve English vocabulary learning by 30%. The study suggests a practical application of fragrances to enhance learning during sleep.
A team of scientists led by Prof. Dr. Christian Schachtrup found that fibrinogen inhibits the neuronal differentiation of NSPCs, leading to increased astrocyte formation and reduced scars. By reducing fibrinogen levels, they were able to block astrocyte formation from NSPCs.
Researchers at the University of Freiburg have developed a light therapy approach that successfully treats severe autoimmune reactions in cancer patients. The extracorporeal photopheresis (ECP) treatment activates immune cells to stop inflammation, offering a promising alternative to cortisone therapy.
Scientists have observed the ultrafast reaction of nanobubbles in helium droplets after extreme ultraviolet radiation (XUV) excitation. The findings help understand how nanoparticles interact with energetic radiation and decay, essential information for directly imaging individual nanoparticles.
A study found that lynx reintroduction in Europe led to changes in deer behavior, with humans influencing their day-night rhythm. Deer reduced daylight movements by 1.37 when faced with human disturbances, while the presence of lynx increased daytime activity.
A research team has identified essential proteins for archaeal motility and its structure, revealing a complex protein complex that enables archaella to swim. The discovery provides insights into the unique mechanism of archaeal movement, distinct from bacterial flagellum-based locomotion.
Researchers from the University of Freiburg and US universities have developed a method to differentiate between individual amino acids in short peptides. They used an aerolysin nanopore to measure the ion current through the pore, enabling the sensitive measurement of peptide size and structure.
Scientists have found that granule cells and interneurons in the brain process incoming signals differently due to their distinct structures and functional characteristics. This discovery sheds light on how malfunctions can arise in information processing, leading to memory impairments and neurological disorders.
A Freiburg research team has cracked the code on how embryonic stem cells determine which cell types to develop into. They found that genes controlling cell differentiation are selectively used and that transcription factors like Eomes and Brachyury play a key role in this process.
A team of scientists at the University of Freiburg has created a microfluidic chip that recognizes small RNA fragments, enabling faster and more precise disease diagnosis. The CRISPR biosensor can detect increased levels of miRNA in blood samples from patients with brain tumors.
Researchers at the University of Freiburg have discovered a mechanism by which actin filaments are formed in the nucleus, controlling chromatin dynamics and influencing genome readability. Physiological messengers trigger the assembly and disassembly of actin filaments, regulating the density of chromosomes.
A new function of Pseudomonas aeruginosa lectin LecB has been discovered: it blocks the cell cycle in host cells, leading to slowed or halted wound healing. This impairment occurs through the silent internalization of growth factor receptors, triggering intense vacuolization and cell death.
Researchers discover that flawed removal of signal sequences leads to protein aggregation in mitochondria, causing them to stop working. However, cells execute a protective stress response to maintain key functions, ensuring survival.
Researchers identified a step-by-step assembly process of AMPA receptors on the endoplasmic reticulum, critical for excitatory neurotransmission and synaptic plasticity. The assembly line involves specific proteins and complexes, and its disturbance leads to severe brain dysfunction.
Research finds that physically attractive candidates can gain up to 11 percentage points in US House of Representatives elections and 3.8 percentage points in German Bundestag elections due to their appearance. However, competent appearance and likeability have a lesser impact on voter decisions.
A recent study published in Nature warns that nearly 20% of global catchments areas are already experiencing low stream and river flows due to groundwater pumping. By 2050, this number is expected to rise to 50%, posing a significant threat to global freshwater ecosystems.
Researchers found that bat influenza viruses acquire specific amino acid mutations in hemagglutinin (HA) and neuraminidase (NA), enabling NA-independent growth. These changes facilitate viral spread without relying on the HA protein.
A team of scientists at the University of Freiburg has found that the concentration of Argonaute proteins plays a central role in regulating the balance between stem cells and differentiated cells in plants. This balance is crucial for plant development, growth, and adaptation to environmental changes.
A study published in Global Change Biology found that forests with a diverse range of tree species are more productive and stable than monocultures. The research analyzed data from the Sardinilla experiment and concluded that mixtures of two and three tree species have significantly higher productivity, while those with five species ha...
A study by Dr. Sebastian Jäckle found that conference attendees emit between 0.5-1.5 tons of CO2 per three-day meeting, with plane travel being the worst option. By choosing central venues and video transmission, emissions can be reduced by up to 85%.
Scientists at the University of Freiburg have developed a system to control the dynamics of energy-consuming DNA structures using an artificial chemical approach. The researchers successfully programmed these dynamic systems, enabling them to adapt to different situations and respond to stimuli faster.
A study on the cultural status of saltwater crocodiles in East Timor reveals a complex relationship between humans and animals. The research highlights the importance of incorporating traditional ecological knowledge into wildlife management to address severe human-crocodile conflict.
A study found that people with polydactyly, having six fingers per hand, exhibit improved motor skills and ability to perform movements with one hand. The researchers discovered dedicated brain areas controlling the extra finger's movement, allowing for versatile manipulation.
African elephant populations are stabilizing in some regions, with poaching rates falling from 10% to 4% between 2011 and 2017. Corruption and poverty drive poaching, suggesting efforts to reduce ivory demand may be more effective than law enforcement alone.
Researchers at the University of Freiburg have identified a mechanism that clears blocked proteins from the mitochondrial entry gate. This discovery, dubbed 'mitochondrial protein translocation-associated degradation', has implications for understanding neurodegenerative disorders.
The study explores how humans can coexist with wolves in Europe's fragmented landscapes. Scientists recommend protecting farm animals, strengthening ungulate populations, and influencing wolf behavior through deterrence measures. The research aims to provide a balanced view of wolves' ecological value and minimize conflicts.