Articles tagged with Nutrients
Researchers at UCI used phytoplankton genome analysis to create a high-resolution map of nutrient stress in the world's oceans. The study found regions of elevated phosphorus stress, widespread adaptation to nitrogen stress, and previously unknown areas of iron stress.
Diversifying seafood with multiple species can increase nutrient intake targets and reduce required portion sizes for key nutrients like calcium, iron, zinc, and fatty acids. However, this increased biodiversity also raises concerns about higher exposure to different heavy metals in various seafood species.
A new study found that coffee pulp can speed up tropical forest recovery on degraded land in Costa Rica. After two years, the area treated with coffee pulp had 80% canopy cover and four times taller trees than the control plot.
The gut's immune system plays a critical role in regulating nutrient absorption and warding off toxic chemicals and life-threatening bacteria. Researchers found that gamma delta T cells suppress interleukin-22 expression, allowing for the activation of digestive enzymes and nutrient transporters.
Researchers developed a more accurate model of how bacteria search for nutrients by considering both chemotaxis and chemokinesis. The new model reveals that combining these two motions enhances population responses to nutrient distributions.
A study published by Lindsey Slaughter found that adding manure to pastures increases soil organic carbon and microbial activity. The results took almost a year and a half to manifest, highlighting the challenges of implementing this method in dry climates.
Shellfish aquaculture provides direct economic benefits and ecosystem services, including habitat for native species and improved water quality. A study estimated that replacing shellfish aquaculture with traditional engineered nutrient reduction strategies would cost between $2.8-5.8 million per year.
Researchers found mistletoes can increase photosynthesis to share resources with their hosts, reducing harm to the tree. This strategy allows them to coexist and even benefit birds and pollinators.
Researchers observed that giant unicellular slime molds change tube diameters in response to nutrient sources, imprinted in the hierarchy of thinner and thicker tubes. This reorganization persists for up to 30 minutes before the organism migrates toward the nutrient source, suggesting a mechanism for memory formation.
A recent study in Frontiers in Marine Science reveals the existence of stationary animals attached to a boulder on the sea floor beneath Antarctica's ice shelves. The discovery raises more questions than answers, such as how they got there and what they're eating.
Scientists develop method to increase nutrient uptake and stomatal opening in rice, resulting in over 30% increase in crop yield. The technique uses a plasma membrane proton pump gene overexpression, reducing the need for fertilizers and improving carbon capture.
Researchers have identified a previously unknown protein NblD in cyanobacteria that plays a crucial role in recycling nutrients during photosynthesis. The discovery highlights the importance of studying small genes and proteins, which were previously overlooked.
Professor Jan van Aardt is developing drone-based solutions to analyze nutrient levels in grapevines using hyperspectral and LiDAR imaging systems. The goal is to provide practical sensing tools for farmers to optimize fertilization efforts and improve vineyard productivity.
Researchers have made a groundbreaking discovery about coral bleaching, revealing that corals start to starve before their algae are expelled due to nutrient depletion. This finding has significant implications for understanding the causes of coral bleaching and identifying resilient reefs.
A literature review on cycad leaf nutrition highlights inconsistencies in data collection and analysis methods, emphasizing the need for more research to effectively manage and conserve these plant species. The study recommends considering factors such as seasonal variations, insect herbivory, and soil nutrient concentrations.
Researchers found that fruit flies' lifespan is shortened when given a choice of foods, which affects their metabolism and brain chemistry. The study's findings may have implications for human aging, as similar metabolic pathways exist in humans.
A study from University of Illinois agricultural economists found that Illinois residents value efforts to reduce watershed pollution and are willing to pay for environmental improvements. Respondents were surveyed on their willingness to pay for various water quality improvements, with a 50% reduction in algal blooms estimated to be w...
Researchers identified nitrogen-scrubbing bacteria living in coral slime, which can take up excess nitrogen and prevent algae blooms. This natural defense mechanism may help corals protect themselves from certain stressors.
New research suggests that phosphorous and calcium levels in Amazonian dark earth are orders of magnitude higher than in surrounding soil, correlating with 16 trace elements that indicate pre-settlement river flooding delivered nutrients. This finding challenges the long-held theory that controlled burning created these fertile sites.
Researchers at Cold Spring Harbor Laboratory discovered a protein called BLMP-1 that coordinates gene activity in response to environmental changes. The protein pauses development when nutrients are scarce and resumes it when conditions improve.
Researchers found that a small percentage of locations and events contribute to the majority of annual pollution loads entering the bay. The study suggests targeting 'hot moments' -- not just 'hot spots' -- across impaired watersheds to achieve water-quality-restoration goals.
A new study reveals that excess CO2's ability to enhance plant growth worldwide is decreasing due to limited water and nutrient availability. This decrease has significant climate implications, as forests' capacity to sequester carbon dioxide is being saturated.
The study reveals a tight arrangement between root diffusion barriers and the microbiome, regulating mineral nutrient balance and influencing plant performance. This coordination may contribute to the development of plants better adapted to extreme environmental conditions.
Researchers discovered that Arctic ground squirrels recycle their body's own nutrients to survive during long, inactive winters. They convert free nitrogen into amino acids, allowing them to synthesize protein in vital tissues.
Almond trees have unique needs and challenges for farmers, but researchers are finding ways to balance nutrient inputs with environmental quality. Conservation practices like nutrient budgeting and fertigation can help achieve this balance.
A new study found that consuming dried fruit is linked to better diet quality and health markers, including lower body mass index and waist circumference. However, it's essential to choose unsweetened versions and monitor portion sizes due to the higher calorie content.
Scientists have discovered a 'sealing' mechanism in plant roots supported by microbes that controls nutrient intake for survival and growth. This coordination between plants and microbes is crucial for proper growth and reproduction, and could lead to the development of more resilient crops.
Researchers found that small tributaries to Lake Michigan play a big role in feeding algae blooms and impacting coastal waters. Small streams often had high nutrient loads and contained higher percentages of soluble reactive phosphorus, making them significant contributors to water quality concerns.
Monitoring of 235 Lake Michigan tributaries reveals that small and abundant tributaries have high nutrient loads, often in dissolved inorganic forms. These plumes can overlap and amplify the impact on water quality, suggesting that small tributaries could be a critical target for eutrophication mitigation.
A study analyzing silicon isotope composition of diatoms reveals a significant increase in silicon availability in the 20th and 21st centuries. Climate records show an increase in wind strength, which contributes to nutrient upwelling from Lake Baikal's depths.
A study found that trees in larger cities are healthier and more productive than those in less dense areas, with red maples being the most productive in urban environments. The research highlights the importance of planting the right tree species in cities to support ecological resilience.
Researchers at TUM have developed human intestinal organoids as a model for studying nutrient and drug transport in the intestines. These miniature intestines can accurately reflect physiological processes inside humans, paving the way for medical and pharmaceutical applications such as drug screening.
The four-year study aims to determine how environmental changes modify nutrient pollution in the Tar-Pamlico River Basin, examining local policies' influence on water quality. The research team will collect soil samples to measure the effect of increasing saltwater concentrations on microbial processing of nitrogen.
A new grant from Cornell University's researchers will help vineyard growers identify and address nutrient deficiencies. Using high-resolution sensors, they aim to provide precise information on nutrient levels and enable real-time decision-making for better yield and environmental sustainability.
Researchers found that rapeseed protein consumption has similar beneficial effects on glucose metabolism and satiety compared to soy protein. Rapeseed protein may also be a valuable alternative to soy due to its availability in the by-products of rapeseed oil production.
A Rutgers-led study reveals that small water droplets on plant leaves are rich in carbohydrates and proteins, essential for insect survival. This discovery has profound implications for the conservation of beneficial insects and could reduce pest problems in various crops.
Human intestinal organoids grown from stem cells help identify peptide YY as a possible therapeutic for severe malabsorption. The hormone allows 80% of mice to survive with just one injection per day, showing promise for treating congenital disorder.
A new study analyzing 16 years of data on tens of thousands of products found that the adoption of nutrition data on 'front of package' (FOP) labels is associated with improved nutritional content. FOP labeling was linked to a 12.5% reduction in calories, 12.97% reduction in saturated fat, and other improvements in nutrients.
Researchers tested various cover crops to protect soil in Midwestern states like Illinois. While some cover crops showed promise, most failed to improve soil properties due to harsh winters and limited survival rates.
Researchers at Princeton University discovered that microbial community diversity increases when nutrients are seasonally available, contradicting a long-held assumption. The study found that certain species, known as the 'early bird,' can gain an early growth advantage by consuming easily accessible nutrients and outcompeting others.
A recent study tested various cover crops to determine their effectiveness in protecting soil. While some cover crops had little impact, others showed promise in reducing erosion and nutrient loss. Researchers recommend choosing cover crops that can survive winter, grow well in spring, and hold onto soil for extended periods.
Foliar fertilization improves efficiency and corrects deficiencies in cotton yields. The 4Rs approach to nutrient management is essential for economic, environmental, and social factors.
A study led by the University of Basel found that over 50% of global phosphorus loss in agriculture is due to soil erosion. The researchers mapped phosphorus content in soils and correlated it with local erosion rates, revealing the greatest losses in Africa and Eastern Europe.
Researchers from Florida State University tracked nutrient levels in the Gulf of Mexico, discovering that nitrate from the Mississippi-Atchafalaya River System is not mixing with open waters. The study found 90% of Mississippi River nutrients are retained nearshore, with implications for managing human inputs to coastal ecosystems.
Researchers at the University of Nottingham have discovered a plant protein that controls mineral and water uptake, leading to improved stress tolerance and reduced fertilizer use. This breakthrough has the potential to increase crop yields and food security, particularly for subsistence farmers.
A study of 1177 UK adults found that eating more in the evening is associated with a higher total energy intake and lower diet quality. The research suggests that consuming a lower proportion of calories at night may lead to a lower daily energy intake.
A study from American University found that a diet low in glutamate and high in nutrients reduced symptoms in US veterans with Gulf War Illness. The study showed significant reductions in overall symptoms, pain, and fatigue after one month on the diet.
A team from Pennsylvania State University analyzed the root systems of various beans and legumes to identify beneficial characteristics for breeding. They found that roots can balance nutrient exploration in topsoil and subsoil, leading to improved crop resilience under stress.
The study found that herbivore feces contain varying nutrient profiles depending on their body size. Larger-bodied herbivores leave dung with lower phosphorus and higher nitrogen-to-phosphorus ratios.
Researchers have discovered that nutrients exacerbate the negative impacts of climate change on corals, increasing the risk of mass coral bleaching. High levels of nutrients stress corals, making them more susceptible to heat-induced bleaching.
A comprehensive study of four salmon species in Alaska found that they are returning to rivers smaller and younger than in the past. This decline affects both commercial and subsistence fisheries, as well as the nutrient delivery to inland areas, fertilizing forests and freshwater ecosystems.
Excessive nutrients from agricultural runoff and sewage contribute to algal blooms that deplete oxygen, killing marine life. Climate change amplifies these effects by increasing river runoff and ocean acidification, which harm corals and shellfish.
Researchers have found that male seahorses transport nutrients to their developing babies during pregnancy, a complex process similar to human pregnancy. This breakthrough provides new insights into the biology of seahorse pregnancy and its potential parallels with human reproduction.
The study found that nutrient-poor water is pooled in the intermediate layer, allowing for vertical mixing and transport of nutrients to the surface. This process helps maintain high biological productivity in the subarctic Pacific region.
A recent study by the University of Bath found that healthy adults can consume twice their normal calorie intake without experiencing immediate metabolic problems. The research revealed that blood sugar and lipid levels remained within normal ranges despite consuming large amounts of calories.
A new study reveals that nutrient-starved cells do not preferentially recycle ribosomes through autophagy, but instead degrade a small number of other organelles. Cells have mechanisms to control what they recycle, allowing them to maintain essential building blocks under limited nutrients.
The Schmidt Marine Coastal Pollution Challenge selected four innovative solutions to address the urgent need to eliminate the causes and reduce the impact of coastal pollution, specifically nitrogen and phosphorous. The winning projects include a biodegradable plastic alternative and a low-cost nitrogen sensor technology.
Phytoplankton blooms have drastically altered the Arctic's ability to transform atmospheric carbon into living matter, with net primary production increasing by 57% between 1998 and 2018. The surge in phytoplankton biomass may represent a significant 'regime shift' for the Arctic ecosystem, with implications for food supply and carbon ...
Researchers found a significant 57% increase in Arctic Ocean primary production between 1998 and 2018, with phytoplankton biomass driving the increase in recent years. This suggests an influx of new nutrients into some regions of the Arctic Ocean.
Researchers have developed a sustainable method to recover valuable nutrients from shrimp processing water, including protein and lipids, for use in food or feed. The technique combines food-grade flocculants with dissolved air flotation, capturing up to 98% of the protein present in the water.