Researchers at the University of Bonn have visualized the transport of messenger RNA from the cell nucleus to the cytoplasm using a highly sensitive light microscope. The study reveals that the process involves brief collisions with the nuclear membrane and quality control checks, resulting in only about every fourth successful export.
Researchers use a historic fire to model the sensitivity of a natural sensor found in fire beetles. The study reveals that these sensors can detect extremely low levels of heat, rivaling those of radio telescopes.
Scientists have identified sections in the DNA of living beings as 'DNA barcodes' that differ among species, allowing for fast and accurate identification. The project aims to collect over 5,000 plant samples using these markers to monitor environmental effects and track species.
Scientists from the University of Bonn found over 60 new paramyxovirus species in bats and rodents, revealing that bats are the original hosts of these viruses. The study suggests that bats may be a reservoir for dangerous viruses, making it challenging to eradicate them.
Researchers at the University of Bonn have developed a method to convert skin and umbilical cord cells directly into nerve cells with high efficiency. The scientists achieved this by using small molecules to optimize signaling pathways and simplify the process, resulting in up to 80% human neurons being produced.
Researchers have identified three active variants of a conotoxin that blocks the transmission of pain signals in nerves. These venomous peptides, derived from cone snails, show great promise for developing new painkillers with minimal dependency and faster degradation rates.
The University of Bonn team has successfully derived brain stem cells directly from connective tissue in mice, which can reproduce and be converted into various types of brain cells. This method is faster, safer, and associated with a lower risk of tumors compared to existing approaches.
Researchers propose that oceanic crust 'oozed' continents at depths of 30-40 kilometers instead of 100 km, supported by analysis of oldest rocks. This new theory challenges the conventional understanding of continental crust formation.
Scientists at the University of Bonn have made a breakthrough in understanding Machado-Joseph disease by studying nerve cells derived from patients' skin cells. The research reveals that electrical activity in these cells triggers protein aggregation, explaining why the disease affects only nerve cells.
A study by University of Bonn researchers found that heavy users of first-person shooter games exhibit decreased control over emotions when exposed to real-life negative images, as their brains become desensitized to such stimuli. This effect is not limited to virtual worlds, suggesting potential long-term consequences for gamers.
Scientists have identified a mechanism that protects the brain from degeneration and aging processes. The discovery of CB1 receptors' role in preserving nerve cells and memory capabilities opens up new possibilities for developing therapies to combat age-related brain changes.
Researchers found that smokers' amygdala activity decreases after abstinence, reducing their fear response to scary images. This could be due to nicotine's role in maintaining normal function.
Researchers from the University of Bonn analyzed fossil teeth from two giant herbivorous dinosaurs, Camarasaurus and Brachiosaurus, using a chemical thermometer to determine their body temperatures. The analysis revealed that both dinosaurs had a body temperature between 36 and 38 degrees Celsius.
Scientists have identified key molecular patterns in the blood of lung cancer patients, which can help detect the disease at an early stage. The study found these patterns are present even in tumors still in their earliest stages, offering new hope for improving lung cancer diagnosis and treatment.
German and US researchers have successfully calculated the Hoyle state, an energy-rich form of the carbon nucleus. This achievement is crucial for understanding how life began and may even allow answering philosophical questions using science.
Researchers propose a new target structure for deep brain stimulation to treat depression, with promising results. The method has already shown significant improvement in mood for half of patients with the most severe depression, and may lead to even better success rates with fewer side effects.
Physicists from the University of Bonn have developed a new source of light, a Bose-Einstein condensate consisting of photons. By cooling and concentrating Rubidium atoms, they created a 'super-photon' with characteristics resembling lasers.
Astronomers from Bonn and St. Andrews discover that the discrepancy between calculated and observed star numbers may be due to an overestimation of stellar crowding, a phenomenon where young stars are born in groups, leading to more massive stars being overlooked.
A study published in Social Cognitive & Affective Neuroscience found that a specific genetic variant, COMT-Val, is associated with an increased willingness to donate. Participants with this variant donated twice as much money to charity compared to those with the other variant, COMT-Met.
A massive amber deposit discovered in India's Gujarat province has yielded over 700 arthropods from 55 different genera, including insects, spiders, and mites. The findings contradict the long-held idea that India was isolated for 100 million years after breaking off from East Africa, suggesting a more complex exchange of species with ...
Bonn researchers have developed a method to trigger arrhythmia in mice using light stimulation, allowing them to study the condition with unprecedented precision. By selectively targeting specific areas of the heart muscle, scientists can induce ventricular fibrillation, a common cause of death after a heart attack.
Plectasin disrupts the forming of the cell wall in bacteria, preventing division and ultimately leading to bacterial death. Despite its potential, the authors caution that no permanent solution exists to antibiotic resistance.
The discovery of three new Philippine monitor lizard species and a new subspecies sheds light on the immense biodiversity of these giant reptiles in the region. The study highlights the importance of museum collections and the need for continued research to recognize and name all species, emphasizing the global taxonomy crisis.
Long-necked dinosaurs were able to grow extremely long necks due to their unique digestive system, which allowed them to chew and digest food more efficiently. This enabled them to browse their surroundings without having to move their large body weight.
Researchers have discovered a way to create superhydrophobic surfaces based on water ferns, which could reduce friction and save up to 1% of global fuel consumption. The coating is made possible by the unique properties of the plant's hairs, which are hydrophobic but also have hydrophilic tips that 'staple' water in place.
A team of researchers from the University of Bonn has confirmed that Magyarosaurus dacus was a dwarf sauropod dinosaur, contrary to earlier theories that it was just a juvenile. The study reveals that dinosaurs on islands underwent the same ecological and evolutionary processes as modern mammals.
Researchers have identified the molecular trigger for inflammation in large blood vessels, finding that cholesterol crystals activate an inflammasome complex within immune cells. This leads to a catastrophic chain reaction of inflammatory mediators and immune cell invasion, potentially destabilizing vessel walls.
Scientists have discovered that residual glioblastoma cells have different properties than those found in the tumor mass, making them more mobile and resistant to treatment. This breakthrough could lead to new therapeutic approaches against this aggressive brain cancer.
A recent multicenter cohort study reveals that magnetic resonance imaging (MRI) is substantially more accurate for early diagnosis of breast cancer than digital mammography or breast ultrasound. For young women at elevated risk, annual MRI is considered necessary and sufficient for screening.
Researchers at the University of Bonn discovered a mechanism regulating vital immune functions in healthy individuals. A link between nutrition and immune defense was found via the insulin signaling pathway, with low insulin levels activating FOXO transcription factor to switch on immune defense proteins.
Scientists at the University of Bonn have discovered a way to turn on the 'natural heating system' in brown fat cells, which can lead to increased energy expenditure and reduced body weight. By activating this mechanism, it may be possible to fight obesity with fat.
A study by University of Bonn researchers has found a link between the influenza virus and fever, revealing that the immune system's RIG-I protein plays a key role in triggering high temperatures. This discovery could lead to new therapeutic strategies for treating severe viral infections.
A new study from University of Bonn suggests that deep brain stimulation can significantly improve depression in half of patients, who had previously not responded to other therapies. The treatment involves implanting electrodes in the nucleus accumbens, a key area of the brain's reward system.
Researchers at the University of Bonn have identified a previously unknown gene in fruit flies that controls fat metabolism. The gene, called 'schlank', is structurally similar to genes found in humans and may play a role in energy metabolism. Introducing mouse Lass genes into mutant flies showed promise for new obesity treatments.
Researchers at the University of Bonn have demonstrated a method for cooling gas using laser bombardment, which works under pressure. The technique allows for rapid refrigeration capacities, enabling the creation of new states of matter and potentially leading to the development of mini fridges.
Physicists at the University of Bonn have demonstrated a quantum walk, a superposition of heads and tails states in an atomic 'coin', and found unusual effects when observing the particle. This research paves the way for new algorithms, including search processes, that can process information much faster than classical methods.
Researchers have identified a genetic variant that impairs communication within the brain, increasing the risk of schizophrenia and manic depression. The study found altered brain activity patterns, particularly between the dorsolateral prefrontal cortex and other regions.
A study by University of Bonn researchers found that the brain's ventro-medial prefrontal cortex is less active when faced with a low-wage scenario, despite being aware of the true purchasing power remaining the same. This confirms the existence of the money illusion and offers insights into its cerebro-physiological processes.
A genetic variant on chromosome 8 is found to occur significantly more frequently in people with cleft lip and palate than in the control group. The study suggests that genes may play a far more important role in the formation of clefts than previously thought.
Researchers at Bonn University discovered a critical improvement in treating glioblastoma, the most aggressive and common brain tumor. The combination of two drugs increased average survival time to 23 months, with some patients surviving over four years. Further investigations are needed to optimize this therapy.
Scientists have successfully derived brain stem cells from human embryonic stem cells, providing a continual in vitro supply of diverse types of neural cells. These cells can serve as an inexhaustible source for studying neurodegenerative diseases and possible active agents directly in human neural cells.
A novel blood test for hepatitis C virus has been developed by researchers at Bonn University and the Bernhard-Nocht Institute for Tropical Medicine. The test is significantly cheaper than existing commercial tests, while maintaining equal sensitivity, and can be used to monitor blood banks in poorer countries.
Researchers at the University of Bonn found that the brain's 'wiring' plays a significant role in shaping personality traits and behavior. Individuals with well-developed neural connections between the ventral striatum and hippocampus tend to be more open to new experiences and seek out challenges.
Researchers develop a novel designer molecule that targets malignant melanoma cells using two different routes: triggering the immune system to attack and switching off a specific gene, driving cancer cells to suicide. Initial experiments in mouse models show significant inhibition of metastasis growth and tumor shrinkage.
A study published in Nature Genetics has identified a novel hair-loss gene variant associated with male baldness. The research found that this gene, located on chromosome 20, is inherited from both parents and may account for the similarity in cranial hair growth between father and son.
Astronomers have discovered that the number of newly formed stars is higher than initially calculated, with heavy stars forming in clusters near the center of galaxies. The study found that these clusters are more common in the core regions of galaxies, leading to a different ratio of heavy to light stars.
Researchers at the University of Bonn discover brown dwarfs must be treated as a separate class due to their unique mass distribution and 'mating behaviour'. This reclassification challenges current understanding of stellar formation and population dynamics.
Researchers have discovered that hyperactive immune resistance contributes to age-dependent macular degeneration (AMD), the leading cause of blindness in Western countries. The study found that patients with AMD had an entire immune system hyperactive, which may lead to permanent inflammation and vision loss.
A study by the University of Bonn and Karolinska Institute found that a specific gene variant in women's endorphin metabolism is altered more often in female alcoholics than in healthy women. In mice, endorphins play a crucial role in ethanol consumption, particularly among females.
Researchers at the University of Bonn discovered that oregano's active ingredient beta-caryophyllin inhibits inflammation and may help treat osteoporosis, arteriosclerosis, and chronic disorders like Crohn's disease. The substance targets cannabinoid-CB2 receptors, providing a non-intoxicating alternative to existing treatments.