Researchers used transgenic zebrafish and multidimensional time-lapse microscopy to visualize gene expression waves and segment formation. They found that the timing of segmentation is influenced by a Doppler effect caused by shortening embryonic tissue, which modulates the wave profile.
Scientists successfully visualize crucial event in photosynthetic reaction, enabling study of protein complex that splits water. This breakthrough uses free-electron laser technique to collect data at room temperature.
A new protease, Wss1, has been identified as a safeguarding factor that removes DNA-protein crosslinks, enabling cells to duplicate their genome. Cells lacking Wss1 are highly sensitive to damage and suffer from genomic instability.
Despite popular beliefs, a recent Max Planck Institute study of 1,265 volunteers found no correlation between human sleep and lunar phases. The researchers discovered conflicting results may be due to publication bias, which can lead to omitted negative findings.
Scientists at Max Planck Institute have successfully generated new plant species through grafting, allowing for the transfer of entire genetic material between two species. The resulting plants exhibit improved growth rates and increased fitness compared to their parent species.
Max Planck researchers identify supramarginal gyrus region crucial for children's ability to assess others' emotions, improving with age. The study reveals that adults can easily overcome egocentrism, whereas children between 6-13 tend to project their own emotions onto others.
Researchers found pregnant women exhibit stronger physiological responses to music, particularly in blood pressure, compared to non-pregnant counterparts. Music appears to have a prenatal conditioning effect on the fetus, influencing heart rate and movement patterns.
Researchers have identified a key gene in energy metabolism, revealing its crucial role in regulating fat storage. The Sirt7 gene plays a central role in the process, enabling mice to maintain normal weight despite high-fat diets, suggesting new therapeutic approaches for obesity and metabolic disorders.
Researchers found a negative relationship between predation pressure and bird longevity, supporting the classical theory of ageing. The study analyzed data from nearly 1400 bird species, revealing that larger species with faster reproductive rates tend to live shorter lives.
Researchers found that even brief observations of stressed individuals can increase cortisol levels in observers, particularly when social closeness is involved. This phenomenon, known as empathic stress, has significant implications for the healthcare system and our understanding of stress transmission.
Scientists confirm the mafia hypothesis, which suggests that birds cooperate with parasitic birds to avoid retaliation, increasing survival rates of parasites. Host birds must learn and adapt to reject foreign eggs, while parasites use their behavior to extort hosts.
Scientists have discovered new types of neurons in zebrafish brains that help them perceive and compensate for self-motion. These neurons enable the fish to stabilize their position and gaze during movements, preventing drift in the current.
Max Planck researchers found that Carabayo shares similarities with extinct Yurí and Tikuna languages, suggesting a genetic link between the three. The study provides evidence of linguistic family ties in the region.
Researchers found that synapse components grow in a coordinated way to maintain stability, essential for long-term memories. This understanding sheds light on how synapses can remain stable despite the need for regular molecular replacement.
Children conceived during a severe epidemic show increased resistance to later diseases, a phenomenon known as functional trans-generational effect. This discovery suggests that parents can prepare their children for future diseases, and the underlying mechanism may be linked to an optimized immune response in high-pathogen environments.
Researchers analyzed the gut microbiota of Hadza hunter-gatherers, revealing a unique microbial profile that supports their adaptation to a foraging subsistence pattern. The study found differences in gut microbiota between sexes, reflecting sexual division of labor and having implications for fertility and reproductive success.
A recent survey by an international research team found that Liberia's chimpanee population is one of the most viable in West Africa, with over 70% living outside protected areas. The results provide crucial information for site prioritization and conservation efforts.
Scientists at the Max Planck Institute found that inhibiting insulin/IGF signalling improves sleep quality in fruit flies and reverses age-related sleep deterioration. The study suggests a potential link between aging humans' sleep problems and the insulin/IGF pathway.
Researchers have discovered how new MS drug dimethyl fumarate works, blocking inflammatory cell infiltration in the central nervous system by targeting a specific receptor. The study found that DMF reduces neurological deficits in mice with multiple sclerosis-like symptoms.
Researchers found that European humans have a higher number of Neanderthal variants in genes related to lipid breakdown, which may have provided a selective advantage. This study suggests that Neanderthal ancestry has driven evolutionary changes in lipid processing and brain composition among Europeans.
Scientists at Max-Planck Institute discover efficient way to brake molecular ion rotation, opening up new possibilities for laboratory-based astrochemistry. By cooling the rotational temperature using a tenuous gas, researchers can study chemical reactions in space more easily.
A neuroimaging study found that adolescents with antisocial personality disorder have reduced activation in brain regions responsible for social information processing and impulse control. This impairment leads to difficulties in taking into account other people's intentions, resulting in more antisocial behavior.
Researchers uncover an entire network of cellular helpers to mitigate damage, identifying new regulatory mechanisms for the heat shock response. The study's findings may also offer insights into neurodegenerative diseases such as Alzheimer's and Parkinson's.
Scientists have discovered that B-lymphocytes lack the protein PTP1B, making them hyperactive and promoting an autoimmune attack. This study provides a new mechanism for how B-cells regulate an immune response, potentially playing a significant role in autoimmune diseases such as rheumatoid arthritis.
Researchers discovered 3D plumes of brain activity propagating through the avian brain, differing from mammalian slow-wave-sleep patterns. This finding suggests alternative computational properties and challenges the layered organization assumption.
Tc toxin complexes, used by bacteria like Yersinia pestis and Photorhabdus luminescens, have been imaged with atomic detail. The complexes use an elastic band-like protein chain to penetrate cell membranes, depositing toxic enzymes. This mechanism has potential applications in medicine, including selectively targeting cancer cells.
Researchers discovered a new gene called RCO that inhibits cell proliferation and growth between leaflets, allowing dissected leaves to form. The loss of this gene in Arabidopsis thaliana results in simple, entire leaves.
Researchers created a global map detailing the genetic histories of 95 populations across Europe, Africa, Asia, and South America. The study found evidence of previously unrecorded genetic mixing, including European DNA in modern-day China and Mongol DNA in Pakistan.
Researchers found that a protein molecule on stem cells interacts with extracellular matrix and thyroid hormones to promote brain growth. Iodine deficiency in pregnant women can lead to abnormal brain development due to the lack of thyroid hormones.
Researchers found that Eph receptors must form groups of three or four to become active, with the ratio of multimers to inactive dimers determining repulsion strength. This understanding can guide cell migration and growth, shedding light on diseases related to guidance system breakdowns.
Researchers at Max Planck Institute found that GDNF promotes the survival of mitochondria, preventing degeneration associated with a Parkinson's-related gene defect. This discovery could lead to more refined GDNF therapies for patients.
Researchers analyzed 1.6 billion connections within the brain and found highest agreement between structure and information flow in the default mode network, responsible for inward-focused thinking. The study suggests that the structural architecture of the brain ensures automatic switching to something useful when not being used.
Researchers have sequenced and analyzed the elephant shark genome, comparing it with human and other vertebrate genomes. The study found that sharks lack certain types of immune cells and exhibit robust immune defences despite this, and also revealed why cartilage prevails in their skeleton over bone.
Scientists have found that charge-density waves destroy superconductivity at a maximum of minus 135 degrees Celsius. To develop high-temperature superconductors, researchers must search for substances not subject to these periodic fluctuations.
In a public goods game, participants preferred institutions with punishment for tax evaders to increase cooperation. A majority decision ensured the institution was established, promoting group benefits. Democratic choices led to more cooperative behavior and greater profits.
A study found that bonobos have higher levels of thyroid hormone T3 until adulthood, unlike humans and chimpanzees. This might impact their social behavior and cognitive development, potentially leading to delayed maturation.
In experiments, chimpanzees showed flexibility in their behavior when maximizing rewards, but not when conforming to a majority. The study suggests that chimpanzees prefer persevering with successful strategies over adopting the equally effective strategy of the majority.
The Silver Banksia plant genus has developed a strategy to cope with phosphorus scarcity by reducing ribosomal RNA in their cells, saving phosphorus and water. By optimizing phosphate use, Proteaceae plants outperform Arabidopsis thaliana in photosynthetic efficiency.
A study published in Nature has cataloged 46 species with their mortality and fertility rates, revealing extraordinary diversity in aging processes. This challenges current explanations, which predict that the probability of dying rises with age, as seen in humans, but contradicted by species like the desert tortoise and white mangrove.
Researchers have successfully extracted and sequenced the oldest hominin DNA to date from a 400,000-year-old fossil from Sima de los Huesos in Northern Spain. The mitochondrial genome sequence reveals that the ancient hominins are related to Denisovans and share a common ancestor with them about 700,000 years ago.
Physicists and chemists from Max Planck Institute and Heidelberg University develop method to directly image molecular structure of chiral molecules, revealing their absolute configuration and handedness. This breakthrough enables investigation of individual chiral molecules in the gaseous state.
Researchers have identified Sca1 stem cells as the key players in the regeneration of heart muscle cells in mammals. These stem cells increase their activity in response to heart damage, leading to the formation of new heart muscle cells.
Researchers from Max Planck Institute for Ornithology found that friendly labels reduced interaction with equipment, with 40% less interference compared to neutral or threatening labels. The study suggests that friendly messages could minimize the number of incidences of vandalism and theft.
Researchers found that plants with semi-dwarfism in wild Arabidopsis species have a mutated GA20ox1 allele, similar to those in rice and barley varieties bred for high yields. The mutation alters the gibberellin biosynthesis pathway, but other genes compensate for its effects.
A cross-linguistic study found that words signaling problems with understanding, such as 'Huh?', have similar form and function in languages worldwide. This discovery sheds light on the evolution of human communication and the role of universal linguistic devices.
Researchers at Max Planck Institute for Evolutionary Biology find gene eud-1 that determines wide-mouthed predators and narrow-mouthed bacteria eaters, providing insight into phenotypic plasticity. The discovery sheds light on how organisms adapt to changing environments and challenges current understanding of evolutionary adaptations.
A team of scientists has revealed the details of a microbial process regulating the global nitrogen budget in the oceans. They found that anammox, a process converting fixed nitrogen to N2, affects primary productivity and isocyan signature patterns in oxygen minimum zones.
A team of researchers discovered a bacterium that requires rare earths to grow and produce energy from methane. The rare earths are necessary for the enzyme methanol dehydrogenase, which processes the methanol produced in methane decomposition.
A study found that playing video games like Super Mario 64 increases grey matter in the brain's spatial orientation, memory formation, and strategic planning centers. This plasticity may prove therapeutic for patients with mental health issues, such as schizophrenia or post-traumatic stress disorder.
Researchers correctly identified the brains of mathematician Carl Friedrich Gauss and medical scholar Conrad Heinrich Fuchs using MRI scans, revealing they were switched over 150 years ago. The discovery highlights the importance of historic collections for modern-day research.