Articles tagged with Nutrients
Researchers tracked bacterial colonies using experimental tools to observe massive phenotypic diversification in aging Escherichia coli colonies. They found diverse metabolic capacities, stress resistance, and improved biofilm production among survivors of senescent colonies.
Researchers found that blocking the activation of five genes responsible for transporting fructose-asparagine could be a new strategy to fight Salmonella infections. The nutrient is composed of a sugar and amino acid, and its identification alone is unusual since it has never been discovered as a nutrient for any organism.
A study by TUM researchers found that traffic light labeling can lead to a false sense of security and result in consumers ignoring more complex product information. This effect is particularly pronounced in financial products where the labeling influences consumer trust in specific attributes, such as flexibility or state guarantee.
Juvenile coho salmon thrive in streams with abundant pink and chum salmon carcasses and eggs, increasing abundance by up to three times. This nutrient legacy highlights the importance of understanding fish-ecosystem interactions for species close and distant.
Researchers from Germany and Switzerland have discovered the importance of acetic acid bacteria in cocoa fermentation, mapping metabolic pathways that produce acetate and initiate flavor development. The study reveals a fine-tuned collaboration between a multi-species consortium during fermentation.
Researchers suggest that fungi may be causing nutrient scarcity in boreal forests by competing with trees for nutrients, rather than alleviating it. The study's findings have implications for understanding climate change and the role of mycorrhizae in forest ecosystems.
Cells adjust mitochondrial apparatus to burn sugars or fats, adapting to changes in fuel supply. The study identifies signals and molecules that regulate this adaptation, enabling cells to switch between glucose and fatty acid burning more efficiently.
Researchers have identified thousands of protein interactions between cell membranes and signaling proteins, revealing a complex network that enables communication within and across cells. This breakthrough has implications for plant and animal sciences, potentially leading to discoveries that improve crop yields.
A new study led by Harvard School of Public Health finds that elevated CO2 concentrations will significantly reduce zinc and iron concentrations in crops providing a large share of the global population's dietary intake. The reduction poses a major health threat, with an estimated loss of 63 million life years annually from malnutrition.
Recent 'rock snot' blooms are caused by native Didymosphenia geminata responding to changing conditions, not human introductions or new genetic strain. Climate change and environmental factors trigger the blooms.
A recent NHANES analysis reveals that children aged 1-3 years do not consume adequate amounts of key nutrients. The study recommends increasing the intake of potatoes as a rich source of potassium and dietary fiber to address these nutrient gaps.
A new study by Lars Fändriks and Herbert Helander reveals the inner surface area of the gastro-intestinal tract in healthy adults is between 30-40 square meters. This is significantly smaller than previous estimates, which ranged from 180 to 300 square meters.
Researchers at LMU München develop a mathematical model that shows how Bacillus subtilis populations benefit from balancing growth and migration. By doing so, they adapt to changing environments more effectively than specialized bacteria.
A new study found that forests growing in fertile soils with ample nutrients can sequester up to 30% of the carbon they take up during photosynthesis. In contrast, nutrient-poor forests retain only 6% of that carbon, which is released back into the atmosphere as respiration.
Researchers found that deforestation has minimal effects on muddy clay-like soils, but dramatically alters microbial communities in sandy soils, leading to increased carbon loss and potential for exaggerating global warming. This discovery could inform land management practices prioritizing the conservation of biodiversity and sequestr...
Researchers from Aarhus University and Lund University found that nutrients from land are the main cause of widespread oxygen depletion in the Baltic Sea. The areas affected have increased drastically over the past century, harming marine life and ecosystem balance.
Researchers measured fruit fly food consumption using radioisotope labeling and paired it with the capillary feeder assay to achieve the most accurate measurements. The team's findings provide a best practices guide for nutrition measurement in studies of metabolism and disease.
Researchers at UNSW Australia propose that very low nutrient diets may extend lifespan in laboratory animals by increasing cellular recycling and repair mechanisms. This effect could potentially lead to longer, healthier lives for humans through a better understanding of these cellular recycling mechanisms.
A worldwide study found that grazing animals can improve biodiversity in over-fertilized grasslands by allowing native plants to compete for sunlight. The study, which analyzed data from 40 sites across six continents, suggests that the removal of fertilizer and introduction of grazing animals can lead to increased plant diversity.
Researchers found that when herbivores increased the amount of light reaching the ground through vegetation removal, plant species diversity increased on both fertilized and unfertilized plots across six continents. The study suggests that nutrient availability and grazing can have a positive impact on grassland biodiversity.
A new study by Dr Pierre Durand and colleagues found that programmed cell death in single-celled algae benefits the organism's relatives, releasing nutrients that inhibit growth of non-relatives.
Coral reefs face declining health due to nutrient pollution. Scientists emphasize that too many nutrients can harm corals more than a lack of them. Understanding nutrient competition is crucial for developing effective management strategies.
Researchers clear up mystery of bowel movement, finding that segmentation motion occurs when two sets of pacemakers interact to create a specific rhythm. This discovery provides direction for developing drugs or nutrients to combat disorders like diarrhea and constipation.
Thomas Cullen's research found evidence of sexual dimorphism in seals between 20-27 million years ago, suggesting that early pinnipeds formed harems. This discovery sheds light on the history of pinnipeds and has major implications for the future of the species due to climate change.
Researchers at Grand Valley State University found a link between zebra mussels and increased risk of algae blooms in Muskegon Lake and Bear Lake. The invasive mussels stimulate nutrient releases, while native chironomids increase oxygen levels, making the lakes more prone to toxic blooms.
NASA detects widespread agricultural fires in Ecuador on December 3, 2013. The fires were likely set to manage land and clear unwanted plants, producing smoke that degrades air quality.
A three-year experiment found that elevated levels of nitrogen and phosphorus lead to double the prevalence of disease and tripled bleaching. However, corals recovered rapidly once pollution was stopped.
Researchers at the University of Gothenburg discovered that intestinal bacteria regulate food transit time, controlling nutrient absorption. The hormone GLP-1 plays a key role in this process, influencing appetite control and insulin secretion.
A German-Peruvian science team found that ocean eddies play a crucial role in distributing oxygen and nutrients in the oxygen minimum zones. This discovery helps improve model computations to predict future expansions of low-oxygen areas in the ocean, addressing the threat of ocean de-oxygenation.
The buffaloberry contains high amounts of lycopene and methyl-lycopenoate, making it an excellent source of antioxidants and nutrients. The fruit is also being considered as a natural food colorant and has potential applications in commercial wine production.
University of Illinois researchers suggest a partnership between farmers and scientists to develop effective practices for reducing nitrogen and phosphorus losses from agricultural fields. The goal is to find widespread regional acceptance and reduce the size of the hypoxic zone in the Gulf of Mexico.
Whitehead Institute scientists report that the FLCN protein acts as a trigger to activate the mTORC1 pathway, which regulates cell growth in response to nutrient levels. This unexpected finding may provide insight into how cancer cells distort normal cellular functions to maintain their own harmful ways.
The productivity of many lands has been dramatically reduced due to soil erosion, salinity accumulation, and nutrient depletion. A sustainable approach to agriculture is needed to maintain soil fertility and address climate change and biodiversity loss.
A study published in Nature finds that climate change could lead to a decline in plant production due to changes in soil nutrients. As drylands become drier, the imbalance of essential nutrients like nitrogen and phosphorus may affect crop growth, livestock forage, and fuel production.
The Gulf of Mexico's dead zone is exacerbated by excessive nutrient runoff from US agricultural practices. Experts recommend adopting cover crops and subsurface drainage systems to reduce nitrogen and phosphorus export. Despite potential challenges, implementing these practices could mitigate the problem.
A new study reveals that microscopic suspension feeders overcome physical constraints by changing their angle relative to surfaces, maximizing access to fresh water and filtering the surrounding water. These tiny organisms filter up to 25% of seawater daily, making them essential for aquatic ecosystems.
Biologists have developed a new technique to determine if seagrasses contain sulfur, indicating stressed seabeds. This method reveals the health state of plants, aiding restoration efforts for lost or diminished seagrass meadows.
Researchers at the University of Texas at Austin have found that a specific diet immediately before spawning significantly impacts the fatty acid content of red drum eggs. This discovery could lead to improved survival rates and reduced resource usage in fish farming, benefiting both the environment and the state of Texas.
Researchers developed a high-throughput assay to track cell growth at low nutrient concentrations, revealing metabolic differences among cells of the same strain in the same environment. The study also found significant genetic variation in Sherpa populations' mitochondrial genomes, suggesting an adaptation for low oxygen environments.
Researchers discovered that the Earth's cyclic wobble affects the production of fixed nitrogen, a nutrient crucial for marine organisms. The study reveals that precession-driven upwelling brings nitrogen-poor water to the surface, where blue-green algae convert it into biologically usable forms.
Researchers applied simple math to a long-studied biological process, finding that catabolite repression is controlled by the difference between glucose and other essential nutrients. This discovery demonstrates the power of quantitative biology in elucidating complex biological processes.
A large Gulf of Mexico oxygen-free 'dead' zone was found to be 5,840 square miles in size, larger than expected but smaller than predicted. This year's measurement highlights the continued effects of nutrient pollution from agricultural and human activities in the Mississippi River watershed.
Researchers found that a transient 'perfect storm' of nutrients and light led to the brief bloom of phytoplankton 14,000 years ago. The study resolves conflicting ideas about the relationship between iron and biological productivity in the North Pacific, with implications for geo-engineering efforts to curb climate change.
Plants with thinner roots show natural variation in cortical cell number, reducing energetic cost of soil exploration and increasing rooting depth. This trait could lead to improved seed production for agriculture, maintaining high yields in drought-prone regions.
Chinese agriculture's remarkable success in feeding the world's population comes with significant environmental costs. Massive losses of nutrients pollute streams, rivers, soil, and air, while CAFOs drive global resource consumption. Efforts to shift focus towards food security, efficient use of resources, and environmental protection ...
A new approach to getting kids to eat their veggies involves teaching them a conceptual framework for nutrition, which encourages understanding of why eating a variety of foods is ideal and increases vegetable consumption. The study found that preschoolers who were taught about nutrition showed more knowledge about nutrition and increa...
Researchers confirm their 2008 model for mitochondrial function, which explains the symptoms of diseases and reveals the role of five molecular machines in converting energy. The study also highlights the dynamic nature of mitochondrial energy extraction, which can be optimized based on dietary composition.
The University of Michigan ecologist predicts a very large and potentially record-setting 2013 Gulf of Mexico 'dead zone,' expected to be between 7,286 and 8,561 square miles. This would be roughly equivalent to the size of Connecticut, Rhode Island, and the District of Columbia combined.
The NOAA is predicting a record-setting deadzone in the Gulf of Mexico, spanning between 7,286 and 8,561 square miles. This would be among the largest ever recorded, potentially affecting commercially important fisheries and the regional economy.
Female southern bottletail squid consume male ejaculates, using nutrients for egg growth, and target larger females to minimize consumption. This strategic behavior affects males' chances of fertilizing eggs.
Oceanic oxygen levels decrease as ice sheets melt, leading to accelerated denitrification and a shift in the ocean's nitrogen cycle. Phytoplankton growth and productivity are affected, potentially altering atmospheric carbon dioxide concentrations.
Researchers discovered a mutualistic relationship between ants and carnivorous pitcher plants, where ants help prevent nutrient loss to flies. The study found that ant colonies increase plant growth and capture efficiency by hunting mosquito larvae, demonstrating a novel type of nutritional interaction.
A compound found in plant-based foods like parsley and celery has been shown to re-educate cancer cells into normal cells, making them more susceptible to death. The study, led by Ohio State University researchers, suggests that apigenin can restore normal gene regulation, leading to increased cell death rates among breast cancer cells.
A new journal supplement highlights the nutritional benefits of white vegetables, debunking the myth that they are less nutritious than their colorful counterparts. Key findings include a substantial body of evidence demonstrating how white vegetables contribute important amounts of essential shortfall nutrients to the American diet.
Researchers at EPFL discover that corals depend strongly on algae to extract nutrients from the water. The algae temporarily store nitrogen in the form of uric acid crystals, building up reserves for times when supplies run low. This symbiotic relationship is crucial for coral survival in nutrient-poor environments.
A study evaluating restaurant meal nutrition found that breakfast, lunch, and dinner options were high in calories (56% of daily recommendation), fat (89%), and sodium (151% of recommended daily intake). The research highlights the need for public health initiatives to address nutritional profiles in restaurant meals.
Hundreds of deliberate fires were detected in Guerrero, Oaxaca, Michoacan, Colima, and Jalisco regions. The fires are managed by farmers to clear land and enhance crops, but also produce smoke degrading air quality.
Researchers at the University of Missouri have found that the ATP7A gene is essential for copper absorption, leading to a better understanding of Menkes disease. The study used laboratory mice and discovered that the gene's absence can lead to copper deficiency symptoms similar to those seen in children with the disease.
Food and nutrition scientists highlight white vegetables' nutritional value, citing gaps in data on nutrient intakes and health outcomes. Presenters discuss the importance of potatoes, carbohydrates, and magnesium in a well-balanced diet.
A global-scale modeling study finds that carbon emissions from human activities on land were 40% higher in the 1990s due to nitrogen's limiting effect on plant growth. This underestimation has significant implications for international policy, requiring deeper emission cuts to meet mitigation targets.