Researchers found that elevated carbon dioxide levels hinder nitrate assimilation in plants, leading to reduced protein content and increased risk of malnutrition. The study suggests a shift from nitrate to ammonium fertilizers may be necessary to maintain crop yields under high CO2 conditions.
A new theory proposes that modern birds' evolution of flight was driven by their parenting skills, which led them to settle in trees for better protection. This contradicts two leading theories on avian flight and is supported by evidence from Archaeopteryx fossils.
Navrotsky's work has pioneered methods to measure the energy needed to form crystal structures, allowing scientists to study minerals deep within the earth. Her research has established the identity of materials at hundreds of kilometers depth, enabling new discoveries in nanogeoscience.
Researchers at UC Davis have identified a crucial role for sitosterol in starting the process of making cellulose. The study reveals how plant cells spin cotton fibers, providing valuable insights into the textile industry's most valuable crop.
A protein in an insect's antenna picks up chemical signals called pheromones and changes its shape to eject them onto sensitive nerve endings. This discovery could lead to the development of insecticides that prevent insects from detecting other chemical signals, essential for their survival.
Researchers have created a new way to calculate 'magic numbers' in sports leagues, taking into account all possible future games. The new method can be applied to multiple sports like hockey and European soccer, providing more accurate predictions of team outcomes.
UC Davis researchers have captured the critical information needed to reproduce actual sounds as each listener perceives them. By analyzing changes in sound waves as they bounce off surfaces and ears, the team has developed personalized software and hardware for spatially accurate sound reproduction.
Researchers discovered gene silencing can interrupt tumor formation in crown gall disease, producing over a 90% reduction in gall formation among genetically engineered plants. The technique has potential applications for disease-resistant rootstocks and non-transgenic crops.
Using six years of beetle population data, researchers improved modeling tools for explaining fluctuations in animal numbers. The study found that combining different models and considering lattice effects can provide a more accurate understanding of population patterns.
A study found that invasive Argentine ants eliminate native ant species, affecting seed burial and plant regeneration in fynbos ecosystems. This disruption can have cascading effects on the entire community, highlighting the threat of invasive species.
Researchers at UC Davis's Advanced Highway Maintenance and Construction Technology (AHMCT) center are developing high-tech machines to improve safety in highway construction zones. The center has created innovative solutions such as automated debris removal vehicles, crack sealers, and traffic cone-laying robots.
Researchers have developed a system that generates a public key directly from a user's email address, eliminating the need for individuals to create and store their own public keys. This innovation simplifies online transactions by allowing users to securely share public keys without having to create or look up new ones.
Researchers have developed a new database security system that enables anyone with a computer connected to the Internet to provide database services. The system uses digital signatures and proofs to guarantee the authenticity of data entries, making it difficult to forge or falsify information.
Researchers explore the potential of quantum computing to revolutionize problem-solving capabilities. Quantum computers can process vast amounts of information simultaneously, making them ideal for complex calculations like public key encryption and teleportation.
Researchers at UC Davis successfully cloned the first calf using a skin cell from an adult cow, but unfortunately, the calf died just three days after birth. The cloning technique holds promise for improving meat and milk production, with ongoing research aiming to overcome existing challenges.
Astronomers have detected the imprint of neutral atoms on light from a distant quasar, providing a glimpse into the early universe. The observation reveals that complex atoms such as carbon, nitrogen, oxygen, and silicon were formed in the first stars and quasars, constraining the timing of the universe's reionization.
A team of scientists has genetically engineered a salt-tolerant tomato plant that can grow in irrigation water with high salt concentrations. The plant produces a naturally occurring protein that removes salt from the soil, allowing it to maintain quality and productivity.
The UC Davis Department of Biomedical Engineering has been awarded a $12 million grant by the Whitaker Foundation to support its research programs and faculty recruitment. The grant will help establish the department as a leading center for biomedical engineering in the US, with a focus on genomics and imaging technology.
Researchers discovered that fish use crossflow filtration to separate food particles from water, contrary to the long-held sieving model. Computer models and fiber-optic endoscopes confirmed this finding, revealing a swirling vortex at the roof of the mouth where food particles are trapped.
Researchers at UC Davis have found that genes in one part of a plant can override the genetic program in a distant part, changing how it grows. They also developed a new method to permanently bind radioactivity to antibodies to deliver cancer treatment.
A study published in the American Journal of Clinical Nutrition found that energy-restricted diets had the most beneficial effects on serum lipids, lowering triglycerol concentrations and elevating HDL cholesterol. The authors suggest reevaluating current low-fat diet recommendations for individuals with excess body weight.
A new study documents very warm sea surface temperatures in the western Pacific about 400,000 years ago, which supports the hypothesis that the tropics is a key player in global climate change. The analysis provides valuable insights into past temperature shifts and could aid numerical modelers in predicting future warming.
Researchers at UC Davis discovered that multiple protein-based motors work together to build the spindle and move chromosomes during cell division. This new understanding of cellular machines could help prevent or treat disorders related to cell-division defects.
Researchers discovered a new enzyme that moves along DNA, separating its sides, and has a unique gait dubbed the 'quantum inchworm'. This finding may aid in building nanomachines for gene delivery and cancer treatment.
A team of UC Davis researchers has developed a novel method to quantify the rate at which minerals and water exchange oxygen molecules, which could provide a useful test for computer models. The study's findings could have practical applications in dealing with soil contaminants and predicting their movement or decomposition.
Studies suggest that eating chocolate can contribute to a healthy diet, thanks to its antioxidant properties and potential to reduce inflammation. Researchers found that chocolate consumption resulted in increased blood antioxidant capacity and decreased platelet activation within two hours after consumption.
A new research project aims to study the relationship between hydrology, plant, animal, and human communities in the Cosumnes watershed. The project will inform river and floodplain restoration programs throughout the Central Valley.
Rainforest fragments experience 'edge effects' that hinder seed germination, with seeds being three to seven times less likely to sprout than those in continuous forests. Inbreeding can further reduce reproduction rates, threatening the survival of populations in forest fragments.
Researchers find that African ants' pruning behavior increases colony life span, but harms host trees, sparking debate on ecological partnerships. The study sheds light on why weaker competitors can persist in diverse ecosystems.
Researchers used DNA fingerprinting to identify 16 wine-grape varieties, including Chardonnay, as the offspring of Pinot and Gouais blanc. This discovery provides valuable information for grape breeders, allowing them to preserve old varieties and develop new ones.
Researchers found that genetic variation significantly impacts an individual's sensitivity to estrogen, challenging traditional laboratory-animal-based safety tests. The study suggests that genetic makeup should be considered when prescribing estrogen and related hormones for medical purposes.
A recent study found that tomato plants artificially stimulated with chemical jasmonic acid attract parasitic wasps, which kill twice as many caterpillars on treated plants. This natural defense mechanism can be used to develop environmentally friendly agricultural pest control methods.
The Hertz Foundation has awarded a $1 million endowment to establish an endowed professorship at UC Davis in recognition of Edward Teller's contributions to physics. Earnings from the endowment will support the chair's teaching, research, and administrative work.
The University of California, Davis, has been named one of seven new Centers of Academic Excellence in Information Assurance Education by the National Security Agency. Professors Matt Bishop, Karl Levitt, and Philip Rogaway are being recognized for their research and teaching efforts in computer security.
Researchers at UC Davis used fluorescent microscopy to observe motor proteins carrying cargoes through a live roundworm cell. The findings provide valuable insights into the cellular transportation system and demonstrate a technical method for future research.
Researchers at UC Davis report a significant breakthrough in superplasticity, achieving the ability to stretch metal without breaking at lower temperatures. The discovery involves using nanostructured materials, which are 1,000 times smaller than microcrystals, resulting in stronger and more practical materials.
Researchers at UC Davis and MIT propose a new model of Earth's mantle as two layers, reconciling conflicting evidence from seismologists and geochemists. The new model suggests that tectonic plates encounter a geological barrier in the lower mantle, preventing them from mixing with deep-mantle material.
Professor Robert Bower, a pioneer in semiconductor technology, has been elected to the National Academy of Engineering for his groundbreaking work on the self-aligned gate MOSFET and ion implantation. His invention revolutionized integrated circuit design, enabling faster and more efficient electronic devices.
A new study reveals that fruit-fly mating conflicts lead to continual changes in genes, a game of leapfrog that could have significant evolutionary consequences. Females frequently alter their genetic profiles to adjust the males' competitive odds.
A previously unknown movement protein carries information-bearing RNA from stems and leaves to distant roots and flowers, enabling complex plant communication. This discovery provides insight into the evolutionary processes underlying complex plants and may lead to better defenses against crop diseases.
A recent study published in the journal Science has shed new light on the phenomenon of phantom limbs in amputees. Researchers found that the brain adapts by reorganizing nerve cells and increasing activity in pain-related areas, potentially leading to new strategies for preventing post-amputation pain and recovery of function.
Researchers found a direct correlation between high nitrate levels and nitrogen-rich bedrock in California's Sierra Nevada mountain range. Nitrogen-rich rocks released into the environment can cause massive algae blooms and affect human health.
A protein on sperm surfaces is essential for binding to eggs and traveling into the oviduct. Mice without this protein have reduced fertility rates, opening possibilities for new male contraceptives and treatments for infertility.
Female Mediterranean fruit flies exhibit two distinct aging patterns when food supply is limited, delaying reproduction until advanced age. Once a complete diet is available, they produce eggs rapidly and age swiftly, suggesting reproduction as a key factor in aging.
Researchers from UC Davis and Washington University found that larger organisms were more resistant to hurricanes' immediate impact, but the most prolific ones recovered faster. After a year, lizard populations had not changed, while spider numbers returned to pre-hurricane levels.
Researchers successfully engineered a seed-building gene into a plant's leaves, resulting in the growth of embryonic tissue and roots on leaf surfaces. This breakthrough could lead to valuable innovations in food crops and revolutionize the production of oils and proteins from corn, canola, and soybeans.
Researchers have found that a left-handed woman's brain controls reading aloud and speaking with the left side, but writing with the right. This study compares split-brain cases to V.J.'s and suggests that spoken and written language evolved independently.
A zone of high-grade copper ore has been found on the Pacific floor, a discovery that could lead to similar valuable deposits on land. The finding is attributed to a deep-sea exploration project led by UC Davis geologist Robert Zierenberg.
Pesticide residues on food raise concerns, but some pesticides can increase safety by reducing naturally occurring toxins. Carl Winter suggests fine-tuning regulations to reflect relative benefits and risks presented by a pesticide.
New methods using video cameras, spectral sensing, and satellites enable precise chemical applications targeting individual plants. These strategies optimize pesticide use on smaller scales, reducing risks.