Articles tagged with Metabolic Pathways
Researchers at the Boyce Thompson Institute discovered a novel family of metabolites called acylspermidines that are linked to sirtuin activity. These compounds were found to influence lifespan in C. elegans and cell proliferation in mammals, providing new insights into the physiological functions of spermidine and sirtuins.
Researchers from Osaka University have discovered a link between the rare D-form of the amino acid alanine and the circadian clock's influence on glucose metabolism in the kidney. The study found that D-alanine regulates gluconeogenesis, a process that creates new glucose to maintain energy levels, and is mediated by the protein Cry2.
A team of Kyoto University researchers found that macrophages produce granulomas through a hyperactive metabolic pathway called the pentose phosphate pathway. Inhibition of this pathway showed therapeutic efficacy in reducing granuloma formation in vitro and in mouse tissue models.
Researchers developed a new framework to measure metabolic health, introducing the concept of metabolic elasticity. The study found that metabolic elasticity declines with age and obesity, affecting the body's ability to adapt to changing energy needs.
A team of researchers from Germany has been awarded an ERC Synergy Grant to investigate microbial carbon cycle and discover unknown metabolic pathways that enabled microorganisms to live on early Earth. The project aims to provide insights into the conditions prevailing during the Archean Eon, when life first emerged.
Researchers have revealed a revolutionary new understanding of how proteins enter mitochondria, correcting long-held assumptions about the TIM complex. High-resolution cryo-electron microscopy data and advanced biochemical methods were used to re-evaluate old data and map functional organization in great detail.
Researchers have found that benzoxazinoids, a special plant defense compound, evolved independently in distantly related plant families. The study used two species, golden dead-nettle and zebra plant, to elucidate the metabolic pathway of these compounds, revealing unexpected diversity in enzymes performing the same reactions.
Researchers at Chalmers University of Technology have shown that graphene oxide nanoflakes can reduce the accumulation of misfolded amyloid peptides in yeast cells, which are similar to human neurons affected by Alzheimer's disease. This suggests that graphene oxide may hold great potential for treating neurodegenerative diseases.
Researchers at Kyoto University discovered that liverwort Marchantia polymorpha uses gibberellin precursors to produce a signaling molecule aiding survival under shaded conditions. This metabolic pathway inheritance provides insight into the evolution of plant hormone responses.
A team of researchers from Goethe University Frankfurt has discovered a central switch point in the mitochondrial signaling chain under misfolding stress. The mitochondria send two chemical signals to the cell when protein misfolding stress occurs, triggering a protective response that reduces misfolded proteins and stabilizes membranes.
Researchers develop a new method for fixing carbon dioxide using formic acid, which can replace conventional chemical manufacturing processes with carbon-neutral biological methods. The process produces formaldehyde, a non-toxic substance that can be fed into metabolic pathways to create valuable substances.
Researchers used single-cell multi-omics to study specialized cell types involved in producing medically relevant plant compounds. The analyses revealed that three distinct cell types are organized in a specific biosynthetic pathway for vinblastine, a key alkaloid compound with anti-cancer properties.
Edward Chouchani, an associate professor at Harvard Medical School, has been awarded the $50,000 Vilcek Prize for Creative Promise in Biomedical Science. His research focuses on understanding metabolic disease using mass spectrometry and biochemical approaches.
Studies suggest that four genetic variants controlling eye pigmentation also regulate retinal health, with imbalances linked to diseases like neurodegenerative conditions. The kynurenine pathway's metabolites play a crucial role in maintaining retinal health.
UVA researchers discovered a metabolic pathway that can modulate COVID-19 inflammation, lung recovery, and host metabolic health. They suggest a potentially viable therapeutic agent that may be combined with existing anti-viral agents to treat severe COVID-19 in patients with underlying metabolic disease.
Scientists at the University of Utah Health have discovered a complex network of protein-metabolite interactions within cells that enable them to respond to environmental cues and maintain homeostasis. The study, published in Science, highlights the importance of these interactions in regulating metabolic processes and preventing disease.
Researchers at The Hospital for Sick Children have discovered that dysregulation of energy production is an early sign of heart failure. They found that lysine demethylase 8 (Kdm8) helps maintain balanced energy use, but its suppression leads to changes in metabolism.
A study by US Department of Agriculture scientists has identified a specific metabolic pathway controlling energy and immune response in honey bees under cold stress. This pathway is strongly connected to large overwintering colony losses, making it a promising avenue for new therapeutic strategies to mitigate these losses.
A team of scientists has identified three new biomarkers for detecting the consumption of emerging synthetic cannabinoids like OXIZID. These biomarkers will facilitate work by drug enforcement agencies worldwide in monitoring OXIZID abuse, enabling more accurate identification of abusers and potentially preventing overdoses.
A recent study found metabolic perturbations in young nonhuman primates' liver and skeletal muscle after maternal obesity during pregnancy, even after a normal diet was introduced post-weaning. The study identified 58 altered metabolites in the liver and 46 in skeletal muscle, suggesting long-term health consequences.
New research by Frank Schroeder's team reveals two parallel biosynthetic pathways for serotonin production in C. elegans, challenging the long-held assumption that serotonin is made and quickly broken down. The findings suggest new therapeutic targets for treating anxiety, depression, and eating disorders.
A new study identified distinct metabolic profiles in women with Idiopathic Intercranial Hypertension (IIH), a condition characterized by raised brain pressure. Weight loss programs showed positive effects on results, suggesting that metabolism plays a role in disease development.
Researchers have genetically engineered yeast to produce vindoline and catharanthine, the precursors to vinblastine, a widely used anti-cancer drug. This breakthrough may lead to new sources of these compounds and reduce dependence on plant farming and logistics challenges.
Kobe University researchers successfully developed a tyrosine chassis in the yeast Pichia pastoris to produce various useful compounds with high yields. They introduced biosynthesis pathways for resveratrol, naringenin, norcoclaurine, and reticuline, achieving significant improvements in production rates.
Researchers have discovered that soil microbes use distinct metabolic pathways to metabolize carbon in different soils, challenging long-held assumptions in the field of soil ecology. The study suggests that these differences may be related to protection against oxygen stress in certain environments.
A new study published in Scientific Reports reveals that regular high-intensity interval training exercise can significantly decrease fasting glucose levels and waist circumference, while improving oxygen consumption rates in patients with non-alcoholic fatty liver disease. Exercise also modifies amino acid metabolism in adipose tissue...
Researchers develop a refined microbiome fingerprint method to track sub-strain variations in key gut bacteria species. The study found differences in sub-strain dynamics between healthy individuals and hospitalized COVID-19 patients, suggesting an impending shift in the dominant strains of the gut microbiome.
Researchers discovered that lipid droplets play a crucial role in mitochondrial recycling, and impairing DGAT1 activity leads to reduced recycling and increased cell stress. The study provides new insights into iron homeostasis and its impact on cellular metabolism.
Researchers at NTU Singapore's Lee Kong Chian School of Medicine found that saturated fatty acids degrade protein FIT2, leading to insulin-producing cells' loss of function and death. This impairs the body's ability to secrete enough insulin, resulting in diabetes.
Researchers from Osaka University engineered microorganisms to use light as an external energy source, accelerating biomanufacturing of target compounds without disrupting the host microorganism's natural metabolism. This approach has the potential to increase efficiency and reduce carbon emissions in bioprocesses.
Researchers discovered that pain neuron-derived peptide Reg3gamma suppresses microglial IDO1, a key enzyme of the kynurenine pathway, and enhances brain ATP production. This discovery provides novel insights into understanding tolerance to endotoxic death.
Researchers discovered that Black women have a greater relative abundance of Actinobacteria, associated with reduced insulin sensitivity and elevated inflammation. The study highlights the importance of understanding the role of gut microbiome in cardiometabolic health disparities among Black women.
Scientists have developed a method to synthesize nanocrystals in live cells through space-time coupled synthesis, enabling the creation of super biosystems. This approach has been successfully applied to various cell types, including yeast, bacteria, and mammalian cells.
Researchers analyzed plasma and single immune cells from nearly 200 COVID-19 patients and found metabolic changes associated with disease severity. The study's findings could lead to better therapies targeting immune-metabolic changes in severe disease cases.
Researchers at the University of Alabama at Birmingham have identified DOT1L as a potential therapeutic target for ovarian cancer. Inhibitors of the DOT1L enzyme showed promise in reducing tumor growth and improving survival rates by stimulating pro-tumorigenic metabolic pathways and blocking apoptosis.
The study reports the crystal structures of aconitase X enzymes from bacteria and archaea, providing novel insights into their catalytic mechanisms. The findings suggest that ancestral active sites in aconitase superfamily are conserved across different species.
Researchers created a new method to map metabolic pathways in microbes, unlocking routes for new vaccines and antimicrobials. The study reveals new insights into the metabolic function of M. agalactiae and M. pneumoniae, two common bacteria that infect livestock and humans respectively.
Researchers develop method to induce bacteria to switch between pathways at different times, optimizing production without human intervention. This approach boosts microbial yields by up to tenfold for two different products.
Researchers at Max Planck Institute uncover forgotten metabolic pathway in ocean microorganisms, finding widespread distribution and ecological significance. The discovery provides valuable insights into the degradation of glycolic acid and its impact on global climate change.
Scientists have found a new metabolic pathway that recycles glycolic acid, a key compound in the ocean's ecosystem. This discovery challenges current understanding of the global carbon cycle and highlights the importance of microorganisms in recycling biomass.
Researchers discovered distinct metabolic patterns in the prefrontal cortex of individuals with Autism Spectrum Disorder (ASD). The study found that ASD affects evolutionarily novel metabolic pathways, suggesting a possible connection to human-specific evolutionary changes.
A new Y-shaped synthetic consortium achieves 21 g/L butanol yield, exceeding theoretical value by 85%. The consortium's adaptability and stability enable efficient simultaneous utilization of mixed sugar ratios and aeration conditions.
A new study engineered transgenic tobacco plants with synthetic metabolic pathways to bypass photorespiration, increasing dry weight biomass by large margins. The approach has potential implications for improving crop yields globally, especially for crops like rice and wheat.
Researchers discovered that increasing cyanobacteria growth temperature boosts succinate production by 7.5 times, thanks to genetic engineering and dynamic metabolome analysis. The study uses Synechocystis sp. PCC 6803 as a model organism to develop more efficient metabolic pathways.
Researchers isolated 1,380 genes related to biting and non-biting in the pitcher plant mosquito, identifying 902 biting and 478 non-biting genes. The study provides a starting point for discovering genetic pathways that can be manipulated to reduce transmission of vector-borne diseases.
Research identifies PPARγ as a critical regulator of metabolism-associated genes in the liver. Inhibition of PPARγ suppresses tumor growth and reduces tumorigenesis in mouse models.
Researchers discovered that hawkmoths harness the pentose phosphate pathway to create antioxidants, reducing muscle damage from high-intensity flight. This metabolic strategy allows them to process sugary diets without succumbing to oxidative stress.
Researchers designed a novel genetic switch that shuts down competing metabolic pathways in bacteria, allowing for increased production of glucaric acid and other chemicals. The switch uses quorum sensing to autonomously control the cells' growth, enabling efficient production without adding new chemicals or changing process conditions.
A new computational method, CORDA, models tissue-specific metabolic pathways by assigning a cost to reactions without experimental data. Researchers found key differences in metabolic similarities between healthy and cancerous tissues, including up-regulation of folate metabolism.
Researchers review challenges and advances in optimizing specific productivity of metabolic pathways in living cells. New tools for library generation, computational analysis, and high-throughput screening are discussed to improve pathway creation and screening.
Researchers discovered that Listeria monocytogenes can grow on refrigerated smoked salmon by utilizing different metabolic pathways than those used in laboratory media. This finding could lead to the development of inhibitors to control pathogen growth on foods and improve risk assessments.
A new study published in BMC Systems Biology uses computational method corsoFBA to model cellular metabolism and discover how organisms adapt to changing environments. The researchers, led by Amina Qutub, aim to develop new treatments for diseases such as stroke and cancer.
A study in the Journal of Clinical Investigation found that UCP2 induces fatty acid synthesis, activating inflammatory pathways in patients with sepsis. Lack of UCP2 improved survival in a mouse model of sepsis, suggesting UCP2 as a potential therapeutic target.
Researchers at JBEI have developed a technique called targeted proteomics that enables the rapid identification and quantification of specific proteins in cells or microbes. This technique can help identify bottlenecks in metabolic pathways, leading to improved efficiency and productivity in biofuel and therapeutic drug production.
Researchers have discovered that during early stages of heart failure, the heart uses too much fatty acid and not enough carbohydrate; later on, it doesn't use enough fat. This new knowledge can lead to better treatments, but the existing drugs don't remedy the inefficiency.