Articles tagged with Rodents
Comprehensive exploration of living organisms, biological systems, and life processes across all scales from molecules to ecosystems. Encompasses cutting-edge research in biology, genetics, molecular biology, ecology, biochemistry, microbiology, botany, zoology, evolutionary biology, genomics, and biotechnology. Investigates cellular mechanisms, organism development, genetic inheritance, biodiversity conservation, metabolic processes, protein synthesis, DNA sequencing, CRISPR gene editing, stem cell research, and the fundamental principles governing all forms of life on Earth.
Comprehensive medical research, clinical studies, and healthcare sciences focused on disease prevention, diagnosis, and treatment. Encompasses clinical medicine, public health, pharmacology, epidemiology, medical specialties, disease mechanisms, therapeutic interventions, healthcare innovation, precision medicine, telemedicine, medical devices, drug development, clinical trials, patient care, mental health, nutrition science, health policy, and the application of medical science to improve human health, wellbeing, and quality of life across diverse populations.
Comprehensive investigation of human society, behavior, relationships, and social structures through systematic research and analysis. Encompasses psychology, sociology, anthropology, economics, political science, linguistics, education, demography, communications, and social research methodologies. Examines human cognition, social interactions, cultural phenomena, economic systems, political institutions, language and communication, educational processes, population dynamics, and the complex social, cultural, economic, and political forces shaping human societies, communities, and civilizations throughout history and across the contemporary world.
Fundamental study of the non-living natural world, matter, energy, and physical phenomena governing the universe. Encompasses physics, chemistry, earth sciences, atmospheric sciences, oceanography, materials science, and the investigation of physical laws, chemical reactions, geological processes, climate systems, and planetary dynamics. Explores everything from subatomic particles and quantum mechanics to planetary systems and cosmic phenomena, including energy transformations, molecular interactions, elemental properties, weather patterns, tectonic activity, and the fundamental forces and principles underlying the physical nature of reality.
Practical application of scientific knowledge and engineering principles to solve real-world problems and develop innovative technologies. Encompasses all engineering disciplines, technology development, computer science, artificial intelligence, environmental sciences, agriculture, materials applications, energy systems, and industrial innovation. Bridges theoretical research with tangible solutions for infrastructure, manufacturing, computing, communications, transportation, construction, sustainable development, and emerging technologies that advance human capabilities, improve quality of life, and address societal challenges through scientific innovation and technological progress.
Study of the practice, culture, infrastructure, and social dimensions of science itself. Addresses how science is conducted, organized, communicated, and integrated into society. Encompasses research funding mechanisms, scientific publishing systems, peer review processes, academic ethics, science policy, research institutions, scientific collaboration networks, science education, career development, research programs, scientific methods, science communication, and the sociology of scientific discovery. Examines the human, institutional, and cultural aspects of scientific enterprise, knowledge production, and the translation of research into societal benefit.
Comprehensive study of the universe beyond Earth, encompassing celestial objects, cosmic phenomena, and space exploration. Includes astronomy, astrophysics, planetary science, cosmology, space physics, astrobiology, and space technology. Investigates stars, galaxies, planets, moons, asteroids, comets, black holes, nebulae, exoplanets, dark matter, dark energy, cosmic microwave background, stellar evolution, planetary formation, space weather, solar system dynamics, the search for extraterrestrial life, and humanity's efforts to explore, understand, and unlock the mysteries of the cosmos through observation, theory, and space missions.
Comprehensive examination of tools, techniques, methodologies, and approaches used across scientific disciplines to conduct research, collect data, and analyze results. Encompasses experimental procedures, analytical methods, measurement techniques, instrumentation, imaging technologies, spectroscopic methods, laboratory protocols, observational studies, statistical analysis, computational methods, data visualization, quality control, and methodological innovations. Addresses the practical techniques and theoretical frameworks enabling scientists to investigate phenomena, test hypotheses, gather evidence, ensure reproducibility, and generate reliable knowledge through systematic, rigorous investigation across all areas of scientific inquiry.
Study of abstract structures, patterns, quantities, relationships, and logical reasoning through pure and applied mathematical disciplines. Encompasses algebra, calculus, geometry, topology, number theory, analysis, discrete mathematics, mathematical logic, set theory, probability, statistics, and computational mathematics. Investigates mathematical structures, theorems, proofs, algorithms, functions, equations, and the rigorous logical frameworks underlying quantitative reasoning. Provides the foundational language and tools for all scientific fields, enabling precise description of natural phenomena, modeling of complex systems, and the development of technologies across physics, engineering, computer science, economics, and all quantitative sciences.
Research discovered that meerkat's social group membership has the greatest influence on their gut microbiome, even more than age, sex, or environmental conditions. The study found that social interactions lead to the sharing of beneficial gut bacteria, which is vital for an animal's immunity and overall fitness.
A new study reveals that urban grey squirrels balance risk and foraging in urban environments by perceiving roads with consistent loud noise as lower predation risk. This ability to navigate complex risks contributes to their success in urban spaces.
A new study calls for standardized, transparent, and reproducible methods to evaluate frailty in preclinical aging studies. The researchers analyzed 18 rodent studies and found substantial variation in how frailty is defined and measured.
A research team developed a new method to precisely edit DNA by combining genetic engineering with artificial intelligence. The technique enables accurate modeling of human diseases and lays the groundwork for next-generation gene therapies.
A study by University of Göttingen researchers found that mixed deciduous-conifer forests promote coexistence between red squirrels and dormice. The team observed both species living side by side in these forests, suggesting a potential role for mixed forest management in supporting biodiversity.
Researchers from Empa's Soft Kinetic group studied the rare scaly-tailed squirrels' unique bodily structure, discovering that their thorn-covered scales help them maintain position and grip onto tree bark. The study aims to inform robotics by adopting morphological structures and behaviors honed through millions of years of evolution.
Researchers found that chipmunks' skulls became larger but teeth shorter due to increased human food availability. Voles' auditory bullae decreased in size possibly to dampen environmental noise. These changes demonstrate the profound impact of humans on wildlife and their environment.
Researchers used geospatial neighborhood and housing data to predict lung function among children with asthma living in homes with more roaches and rodents. The study highlights the impact of environmental exposures on asthma health disparities among Black and Latino children.
Researchers identified three hotspots of hantavirus circulation in wildlife, including Virginia, Colorado, and Texas. The study found 15 rodent species as carriers, including six new hosts, and explored the impact of climate change on transmission.
Researchers have found that more than 30 species of rodent and small mammals carry the hantavirus, including ground squirrels, chipmunks, and house mice. The study suggests that humans can get infected by breathing in aerosolized droppings excreted by these animals.
A UMass Amherst Ph.D. student has been awarded a €20,000 grant to investigate a new therapeutic target for Lyme disease by targeting the GuaB enzyme necessary for Borrelia burgdorferi replication in mammals.
Researchers at USC's Keck School of Medicine discovered that mice display a form of 'first aid' behavior when helping unconscious peers, with actions ranging from gentle grooming to forceful tongue-pulling. This behavior is similar to human emergency responses and may be linked to the activation of oxytocin neuropeptides.
Researchers successfully created a bi-paternal mouse by modifying genes involved in reproduction. The mice that reached adulthood exhibited altered growth and shortened lifespan, but could potentially lead to new therapeutic strategies for imprinting-related diseases.
Tobias Ackels' research reveals that mammals can differentiate between odor sources at lightning speed, using a temporal dimension to orient themselves in space. This ability is encoded in the output of the olfactory bulb and could be used for early detection of dementia.
Researchers at Colorado State University have identified priority areas for prairie dog conservation, which benefits not only the prairie dog but also other grassland species. The study provides a blueprint for conserving habitats that could help revitalize North America's Central Grasslands.
Researchers tracked spur-winged lapwings in urban and rural areas, finding that city-dwellers are more mobile, especially during nesting season. The study also reveals seasonal differences in exploration patterns between males and females, highlighting the complex impact of human presence on bird behavior.
Researchers found significant functional variations between rodent and human PD-1 due to evolutionary divergence. The study reveals a unique motif present in most mammals but missing in rodents, leading to uniquely weaker rodent PD-1.
Researchers have discovered that AHCC suppresses liver fibrosis by inhibiting the activation of hepatic stellate cells through two channels. Early administration of AHCC may hold the key to preventing the onset of cirrhosis, a potentially fatal condition.
Scientists investigated the role of ancient VR type-1 (ancV1R) receptor in pheromone detection using knockout mice. The study found that ancV1R-deficient female mice had impaired pheromone detection and exhibited abnormal sexual behavior.
Researchers observed California ground squirrels hunting, eating and competing over vole prey, revealing a carnivorous summer behavior. This flexible diet suggests they can adapt to changing environments.
Researchers have discovered a new approach to treating fentanyl overdoses using naloxone methiodide, which blocks peripheral opioid receptors. This therapy reverses fentanyl-induced respiratory depression without causing withdrawal symptoms.
A USC Stem Cell study has identified key gene regulators that enable some deafened animals, including fish and lizards, to naturally regenerate their hearing. The researchers found a class of DNA control elements known as 'enhancers' that amplify the production of a protein called ATOH1, which induces sensory cells in the inner ear.
A recent study published in Nature found that mother fleas can transmit the plague to their offspring, posing a significant threat to prairie dog colonies and other rodent populations. This discovery highlights the importance of understanding the role of animals in the dissemination of the disease.
Researchers discovered that highland deer mice have evolved distinct ways to acclimate to low oxygen conditions, surpassing their lowland counterparts. The study also showed that the highland mice possess a genetic advantage that helps suppress pulmonary hypertension.
Healthy mice swing their tails actively to counterbalance tilts, producing significant angular momentum. This study provides a new experimental setup for assessing mouse balance and improves understanding of neurological mechanisms behind balance issues.
A new study has found that grey squirrels are more likely to visit bait feeders in the spring, making it a suitable time to deliver oral contraceptives. The research developed a bait and monitoring system that demonstrated high species-specificity, with only grey squirrels accessing the feeder bait.
Researchers found that male mice deescalate aggressive encounters by running over to a female mouse to distract the aggressive male mouse. This 'bait-and-switch' tactic reduces further conflict and helps maintain social hierarchy in groups of mice.
Researchers at Hokkaido University have identified a key gene, glutathione peroxidase 4 (Gpx4), that enables Syrian hamsters to survive extreme cold by limiting cellular damage. The discovery could lead to new treatments for human health, such as improving organ preservation and using hypothermia as a therapeutic tool.
Researchers at Emory University used spiny mice as a laboratory model to study the neural mechanisms of group living in mammals. The study found that neural signaling from the brain's anterior cingulate cortex drives the preference for spiny mice to affiliate with large peer groups.
A novel peptide, KS-133, has been developed to target genetic mechanisms associated with schizophrenia. The nanoparticle-based drug delivery system, where KS-133 is encapsulated with a brain-targeting peptide, shows effective distribution in the brains of mice and improves cognitive functions in mice with induced schizophrenia.
Research at the University of Zurich reveals that the first week after birth is a critical period for the development of senses, particularly smell and touch. Olfactory stimuli can induce neural activity across multiple brain regions, including areas responsible for non-olfactory sensory processing.
A rare Florida fossil has helped scientists reconcile the long-standing debate over North America's sole porcupine species. The porcupine's unique adaptations, such as its insulating fur and modified jaw structure, demonstrate the evolutionary pressures it faced in transitioning from tropical forests to colder environments.
A UMaine graduate student's research found that small mammal personalities determine the effectiveness of pilferage in mice and voles. Deer mice were the most accomplished thieves, while individuals with lower body condition and female voles were more likely to pilfer.
Researchers studied rodent incisors and discovered tiny pockets of iron-rich materials that form a protective shield for teeth, but don't contribute to the orange-brown hue. This finding could lead to improved human dentistry by incorporating small amounts of iron minerals into dental care products.
Researchers discovered that nutrient depletion in mother's diet triggers embryonic diapause, pausing embryo growth until conditions improve. This finding could lead to improved fertility treatments and alternative methods for preserving embryos.
Researchers at Kobe University identified differences in synaptic protein production between mice and marmosets during development. The study found that these differences may relate to evolutionary differences between rodent and primate brains, as well as their relevance to autism spectrum disorders.
A new study reveals that prairie dogs are a crucial prey source for four species of raptors, including bald eagles, overwintering in the Southern Great Plains. The relationship between prairie dogs and their aerial predators has implications for raptor conservation through climate change.
A study by University of Alabama at Birmingham researchers discovered that protons are the primary signals transmitting tactile sensations from Merkel cells to nerves. Protons bind to ASIC receptors on nerve endings, triggering an influx of sodium ions that propagate action potentials up the nerve towards the brain.
Scientists used new techniques to analyze gene activities during mouse prenatal development, revealing hundreds of cell types and their formation. The study showed that massive transcriptional changes occur at birth, potentially necessary for survival outside the womb.
Researchers have discovered a rare case of retrovirus integration in a rodent from New Guinea, revealing a new model for virus colonization. The white-bellied mosaic-tailed rat's genome contains the 'complete Melomys woolly monkey virus', which has characteristics of both exogenous and endogenous viruses.
Researchers found that genetic variations in the Eif4enif1 gene lead to premature ovarian insufficiency and reduced egg production. The study suggests that restoring proper mitochondrial behavior could improve fertility in human patients with similar conditions.
The study maps over 32 million cells in the mouse brain, describing their type, location, and molecular information. This atlas paves the way for a greater understanding of the human brain and development of precision therapeutics for mental and neurological disorders.
A study published in mSystems found that mice fed a broccoli sprout diet had milder disease symptoms and richer gut microbial communities compared to those not exposed. The researchers suggest that broccoli sprouts could be used as a treatment strategy for patients with IBD.
A recent study found that transient inflammatory pain causes persistent mitochondrial and metabolic disturbances in sensory neurons, leading to failure in pain resolution. Targeting the cellular redox balance prevents and treats chronic inflammatory pain in rodents.
Researchers at Nagoya University found that field mice store and transport seeds from once-in-a-century flowering sasa bamboo plants, spreading them throughout the forest. The study reveals that mouse body size affects seed caching behavior, with larger mice carrying seeds to safer locations.
A new project will monitor how changing environmental conditions shape viral outbreaks in wild rodent populations to identify hotspots with high potential for spillover into people. The team will use metaviromics and AI to analyze data from wild rodents in the UK and Eastern Uganda.
Scientists uncover evidence of long-term resident populations of mice living at extreme elevations in the Andes. Genetic and radiocarbon analysis reveals a species of leaf-eared mouse thriving above 6,000 meters, challenging previous assumptions about mammalian life on Earth.
Researchers found 13 mummified leaf-eared mouse cadavers atop 4-mile-high volcanoes, with DNA analysis revealing a distinct population from lower-altitude mice. The discovery suggests the rodents ascended without human assistance and have adapted to extreme conditions.
A recent study on Roosmalens' dwarf porcupine has revealed new information about its distribution in the Madeira biogeographical province of the Amazon Forest. The research found that the species is likely endemic to this region and has a wider distribution in southern Amazonia than previously thought.
Researchers at Imperial College London found that specific brain cells in the prefrontal cortex trigger mice to prepare for bed when tired, a behavior likely shared with humans. This hard-wired survival feature suggests that humans should prioritize sleep hygiene to maintain good health.
A new study in mice shows that consuming emulsifiers during pregnancy or lactation is associated with mild health risks for offspring. The researchers found that the offspring of mice that consumed emulsifiers had a greater risk of certain health issues, including metabolic, cognitive, and psychological impairments.
Researchers discovered that adult and aged mice demonstrated improved performance in behavioral tasks after environmental enrichment, with MSK1 playing a vital role. The study highlights the importance of MSK1 in converting positive experiences into cognitive benefits across the lifespan.
Researchers at the University of Montana discovered genetic differences that protect fetal growth in highland mice, similar to humans with Tibetan or Andean ancestry. These findings may lead to new treatments for pregnancy disorders in humans.
A multidisciplinary team led by Hong Chen successfully induced a torpor-like state in mice using ultrasound, which also worked on rats. The researchers found that stimulating the hypothalamus preoptic area with ultrasound activated neurons and induced changes in body temperature and metabolism, allowing for the preservation of energy.
Researchers have found that spiny mice possess bony plates called osteoderms in their tails, a feature previously thought to be exclusive to armadillos. The discovery reveals that osteoderms can emerge and disappear multiple times in vertebrates throughout evolution.
African spiny mice have been found to produce bone plates similar to those of armadillos, a discovery that challenges previous understanding of mammalian armor. The plates, known as osteoderms, provide protection and are distinct from scales found in other animals.
Researchers have found that reduced oxygen intake is associated with a 50% increase in lifespan and delayed onset of aging-associated neurological deficits in fast-aging mice. The study's findings suggest that oxygen restriction may hold anti-aging potential for mammals, including humans.
A study published in Cell Reports found that rodents exposed to microgravity had altered gut microbiomes, which may contribute to bone loss. The researchers also discovered that certain bacterial species in the gut produced molecules that influenced bone remodeling.
Researchers found that rats, like humans, tend to overestimate the likelihood of two events occurring together. This study suggests a shared cognitive mechanism between humans and animals, which could have implications for understanding psychopathological conditions.
Researchers at Cornell University have discovered that female giant African pouched rats can undergo 'unusual' reproductive organ transformations. The study, published in Current Biology, explores how traits once considered fixed in adult animals may become variable under specific pressures.