Articles tagged with Nutrients
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Researchers found that raw meat diets met many nutrient requirements for cats, but there were gaps in linoleic acid and arachidonic acid levels. Pet owners may need to supplement with other nutrients, including fat and essential fatty acids. The study highlights the importance of proper nutrition for domestic and exotic felines.
Research by USDA scientist Eton Codling shows that treated wastewater solids called biosolids can increase soil phosphorus levels for years. The study found that soluble phosphorus levels in biosolid-amended soils exceeded typical plant requirements after application.
Modified Nutrition Facts labels can improve accuracy in measuring calories and nutrient content, especially for products with two servings per container. Dual-column and single-large serving formats showed significant improvements in consumers' ability to assess nutrition information.
Researchers discovered that some single-celled algae cheat on producing toxins to gain an advantage, contradicting the theory that cooperation should break down in such circumstances. The cheaters can survive and multiply while their 'honest' peers produce toxins, allowing them to invest energy into making more offspring.
Three WHOI projects will investigate the complex interactions between marine microbes, nutrients, and their environments using advanced technologies and methods. The grants aim to improve understanding of microbial communities and their impact on ocean health and productivity.
Whitehead Institute researchers identify Rag GTPases as key mechanistic regulators of autophagy, a process to break down internal energy sources. Rag GTPase's continuous activity leads to permanent activation of mTORC1, resulting in nutritional crisis and death in newborn mammals.
A new process produces super-nutritious puffed rice with three times more protein and eight times more dietary fiber than commercial products. The rice also contains essential nutrients like calcium, iron, and zinc, making it ideal for school lunch programs and other applications.
A new study reveals that fish play a crucial role in recycling nutrients, providing fertilizer for sea grass and algae growth. The research found that fish populations around reefs can cause significant changes in ecosystem productivity.
Research reveals that symplasmic transport plays a crucial role in transporting nutrients and signaling molecules long distances within tree tissues. The study found that fluorescent dyes could be visualized in living cells and cytoplasmic bridges, confirming intercellular movement.
Scientists have created a slow-release fertilizer using attapulgite, guar gum, and humic acid, reducing waste and promoting sustainable agriculture. The new fertilizer has been shown to improve soil moisture content, regulate soil acidity and alkalinity, and minimize nutrient loss via runoff and leaching.
A team of researchers has analyzed bacterial communities on rocks similar to those found in Mexican marshes, providing insights into the Martian environment. The study reveals two distinct communities, one adapted to lack of nitrogen and another without phosphorus, offering clues about potential nutrient limitations on Mars.
A long-term study reveals that excessive nutrients can cause salt-marsh loss, leading to habitat destruction for fish and wildlife. The research highlights the need for better waste management practices to protect these critical coastal ecosystems.
A recent study by the U.S. National Science Foundation found that excessive nutrient enrichment can cause salt marsh loss, leading to habitat destruction for fish and shellfish. The research showed that nutrient-enriched marshes experienced extensive erosion, converting vegetated areas into mudflats with reduced productivity.
Researchers found that fertilizer introduction stimulates bacterial growth, breaking down peat and vital components of the soil, leading to rapid changes in creek morphology and salt marsh retreat. The team's study highlights the devastating impact of nutrient enrichment on coastal ecosystems, threatening cities from storm surges, carb...
Researchers found that ragweed plants will invest resources for the benefit of their group when planted with kin, leading to a larger fungal network and greater benefits. This cooperation is likely due to plant kin recognition, which can enhance altruism towards relatives and promote sustainable farming practices.
Scientists have identified a key metabolic hormone called leptin in fruit flies, which regulates energy intake and appetite. The discovery opens up new avenues for genetic research on the molecular mechanisms of fat sensing and could provide insights into obesity and diabetes.
Consuming greater amounts of choline during pregnancy may lower an infant's vulnerability to stress-related illnesses later in life. Higher maternal choline intake led to a more stable hypothalamic-pituitary-adrenal axis, resulting in less cortisol and a reduced risk of chronic conditions.
Providing energy-dense food supplements to malnourished children has limited effect on reducing wasting, but increases height and hemoglobin levels. A cluster-randomized controlled trial found that adding Ready-to-Use Supplementary Food to a general food distribution had little impact on acute undernutrition.
A lack of AgRP-neurons leads to obesity if fed a regular carbohydrate diet, but high-fat diets counteract this effect. The study reveals the importance of brain-cell interactions in nutrient metabolism and storage.
A team of scientists from Texas A&M AgriLife Research is conducting a study to monitor fertilizer runoff and establish management practices for new turf in Central Texas. The study, sponsored by The Scotts Miracle-Gro Company, aims to understand how different fertilization and irrigation methods affect runoff volume and nutrient load.
Researchers found that closing the yield gap on underperforming lands could boost production significantly, while also reducing the environmental impact of agriculture. The study suggests that more strategic use of fertilizer and water could lead to substantial gains in crop production and reduced adverse environmental impacts.
A new analysis of coconut water found it contains up to 1,500 mg/liter of potassium, compared to Powerade and Gatorade. The study suggests coconut water is a healthy drink that replenishes nutrients lost during moderate exercise.
Research found that nutrient imbalance in reef waters increases bleaching susceptibility of corals. Balancing nutrient input in coastal waters could mitigate effects of warming oceans on coral reefs.
Microcystins are present in every Canadian lake, posing health risks to humans and wildlife. The study found that water quality is most at risk in lakes with high microcystin concentrations, which are linked to low nitrogen-to-phosphorus ratios.
Deer hinds in dominant positions select nutrient-rich foods, outperforming subordinates with lower-quality options. The study demonstrates preferential access to high-energy food sources, improving body condition and milk production.
A clinical trial found that Souvenaid improved verbal-memory performance in 40% of patients with mild Alzheimer's, while a control group showed deterioration. The nutrient cocktail boosts new synapse formation, potentially reversing cognitive decline.
A recent study has discovered that potted plants grow significantly larger when placed in bigger pots, with some species reaching up to 40% increase. The researchers found that the plants' roots sense the pot size, allowing them to adjust their growth accordingly.
Tiny Osedax worms have a unique ability to penetrate bone using acid-secreting enzymes, partnering with bacteria for digestion. Researchers discovered this chemical drilling strategy in female worms, which live in gelatinous tubes surrounded by males.
Researchers from Lund University call for abandonment of geo-engineering efforts to mix oxygen into the Deep Baltic due to unforeseen effects. The Baltic Sea is experiencing hypoxia, and while geo-engineering schemes promise short-term improvements, they are also potentially dangerous.
This year's predicted dead zone size features a wide range of 1,197 to 6,213 square miles due to differences between two forecast models. The actual size will be released after monitoring surveys led by Louisiana Universities Marine Consortium.
High doses of beta-carotene, selenium, and folic acid have been shown to increase cancer risk in a recent study. The University of Colorado Anschutz Medical Campus has warned that these supplements should not be taken beyond their recommended daily allowance.
A study aims to analyze sediment cores to identify the relative contributions of land, ocean, and buried sediments to phosphorus influx. The researchers hope to provide information useful to resource managers in controlling phosphorus overloads.
A team led by Dr. Rachel Morgan-Kiss sampled Lake Bonney's ice-covered waters to study the single-celled organisms that inhabit it. These microbes play a crucial role in global climate change, with their mixotrophic metabolism influencing carbon cycling.
Fiber intake among the global population is extremely low, posing serious long-term public health implications. New research supports the role of soluble corn fiber in enhancing calcium absorption in adolescents, promoting gut fermentation, and improving digestion, while also addressing challenges related to bloating and tolerance.
Research found that strip-till farming produces higher yields than no-till systems due to more efficient phosphorus and potassium use. The study also revealed that strip-till helps retain soil water, leading to better plant growth conditions.
Case Western Reserve researchers identify Kruppel-like Factor 15 (KLF15) as a key player in the body's ability to burn fat during exercise, increasing muscle force production. The discovery sheds light on the molecular mechanisms behind exercise benefits and may lead to therapeutic strategies for metabolic disorders.
Lake Christina's transformation from clear waters to murky state has impacted migrating ducks and fish. Extensive modern records and sediment analysis reveal a 200-year history of management, leading scientists to propose bottom-up landscape management to restore the lake's ecosystem.
Researchers at the University of Zurich have discovered a specialized transport protein required for plant-fungus symbiosis, enabling more efficient nutrient uptake and harvesting. This discovery could lead to improved crop yields and reduced parasite damage in low-nutrient soils.
A study published in European Journal of Nutrition found that serum taurine intake was associated with significantly lower coronary heart disease risk among women with high total cholesterol levels. Higher taurine intake was linked to a 60% lower risk of developing or dying from CHD.
A study published in Neurology found that people with lower blood levels of omega-3 fatty acids had lower brain volumes equivalent to about two years of structural brain aging. Omega-3 deficiency was also linked to poorer performance on tests of visual memory and executive function.
A new study reveals that cells employ a dual-pump mechanism to maintain optimal nutrient levels, allowing for efficient preparation for starvation and rapid recovery afterwards. This regulatory system enables the cell to deal with fluctuations in nutrient supply, offering crucial survival advantages.
Researchers identified a new gene, Meg1, regulating nutrient flow from mother to offspring in maize plants, which could help increase global food production. The discovery of this imprinted gene provides scientists with a molecular tool to manipulate and improve seed traits.
Researchers discovered a cellular mechanism allowing brain cells to translate different diets into distinct activity patterns. The orexin/hypocretin neurons are stimulated by amino acids, but inhibited by glucose, revealing a complex 'push-pull' control by sugars and proteins.
A new study from the University of Cambridge found that amino acids, found in proteins like egg whites, stimulate orexin neurons more than other nutrients. This discovery has implications for understanding obesity and sleep disorders.
The size of dead zones in the Chesapeake Bay has decreased steadily since the late 1980s, linked to reduced nutrient pollution efforts, while early summer spikes are influenced by climate forces, not pollutants
MDC researchers have determined the molecular structure of dynamin, a key player in cellular nutrient uptake. The study provides fundamental insights into the 'wire-puller' mechanism of dynamin during endocytosis, which is essential for signal transmission and immune system function.
A new study reveals the ancient deep ocean was devoid of oxygen and rich in iron for nearly a billion years, challenging previous models for life-essential nutrient distribution. The research suggests hydrothermal systems on the seafloor controlled iron deposition, potentially affecting early evolution.
A study by Washington State University-Vancouver and the University of California-Davis investigated the relationship between human phosphorus sources and aquatic nutrient levels. The research found that a small area contributed to most phosphorus input from human sources, with fertilizer and livestock manure being key drivers.
Climate change is causing significant changes in polar ecosystems, particularly in the Arctic where permafrost thawing affects land and water ecosystems. This can lead to increased nutrient levels, altered stream networks, and changed habitats for plants and animals.
Researchers at IBEC used a computational model to study the effect of external loading on two important cell solutes related to disc metabolism: oxygen and lactate. They found that the effect of loading was greater when compressing a healthy disc than a degenerated one, promoting fluctuations in solute concentration.
A new study demonstrates that even a simple microbe can achieve sophisticated sensory adaptation, allowing its behavior to remain consistent in ever-changing background conditions. Researchers found that E. coli responds to relative changes in sensory inputs rather than absolute concentrations.
Scientists developed a conceptual framework to diagnose nutrient and non-nutrient interactions in agroecosystems, increasing yields and reducing environmental costs. The model considers both nutrient and non-nutrient resource effects on growth, such as light conditions and soil moisture content.
In a study published in Ecology, researchers found that banded tetras play a keystone role in nutrient recycling due to their diet composition and excretion rates. This finding highlights the importance of conservation efforts in maintaining ecosystem function.
Researchers uncover the mechanism by which Didymo 'scrubs' phosphorus from streams and rivers, making it available for growth. This study solves the puzzle of Didymo blooms in low-nutrient waterways.
A comprehensive analysis of human geophagy reveals that eating dirt is a widespread behavior that provides protection against intestinal parasites and pathogens. The study found that people are more likely to consume earth during vulnerable life stages or in environments with high levels of foodborne microbes.
A new study at the Buck Institute for Research on Aging identifies N-acylethanolamines (NAEs) as a novel metabolic signaling pathway that coordinates the aging response to nutrient availability. This discovery suggests a link between endocannabinoids, dietary restriction, and aging that may be conserved across species.
Researchers at Albert Einstein College of Medicine found a link between a brain molecule, TXNIP, and the development of obesity and type 2 diabetes. Elevated levels of TXNIP in nerve cells contribute to energy imbalance, decreased physical activity, and impaired glucose tolerance.
A Purdue University study suggests that drought-exposed leaves may negatively impact soil nutrients by accumulating high levels of tannins. These tannins can interfere with critical enzymes in soil, potentially slowing down decomposition and nutrient cycling.
A new study finds that shallow disk injection of manure is an effective way to reduce nutrient losses to the environment. This technique, which increases the incorporation of manure, reduces ammonia emissions and phosphorus runoff, making it a more environmentally friendly option.
The US nursery and greenhouse industry has launched an online knowledge center to promote sustainable practices, providing resources and tools for growers and students. The Green Industry Knowledge Center offers in-depth learning modules on water and nutrient management, irrigation, and substrate handling.