Articles tagged with Gut Microbiota
Comprehensive exploration of living organisms, biological systems, and life processes across all scales from molecules to ecosystems. Encompasses cutting-edge research in biology, genetics, molecular biology, ecology, biochemistry, microbiology, botany, zoology, evolutionary biology, genomics, and biotechnology. Investigates cellular mechanisms, organism development, genetic inheritance, biodiversity conservation, metabolic processes, protein synthesis, DNA sequencing, CRISPR gene editing, stem cell research, and the fundamental principles governing all forms of life on Earth.
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Researchers found that certain gut bacteria can deplete amino acids, affecting tumor growth or activating immune cells. Tailoring diets and microbiome strategies may enhance anti-tumor activity and support personalized therapy.
A study published in Science of The Total Environment found that e-cigarette exposure alters gut microbiota composition and affects neurobehavior in zebrafish. The researchers observed disruptions in the gut microbiome, with reduced microbial network stability and altered community composition, suggesting potential health risks.
A new study reveals how Parkinson's spreads from the gut to the brain via immune cells, identifying a key role for gut macrophages in transporting toxic proteins. Reducing these cells can slow disease progression and improve motor symptoms in mice.
Researchers found that six species exhibited little to no evidence of phylosymbiosis, while five closely related bovids showed patterns consistent with the concept. Drier environments may reveal phylosymbiosis due to reduced microbial diversity.
Researchers at NUS Medicine discovered that genetic vectors can efficiently spread antibiotic resistance within the gut, enabling even highly virulent bacteria to acquire drug resistance. This finding sheds light on the emergence of 'superbugs' in healthcare settings.
Researchers at UC Riverside find that faulty gene PTPN2 increases susceptibility to harmful bacteria like AIEC, leading to gut inflammation and IBD. The studies suggest that restoring PTPN2 function or using medications like JAK inhibitors may help control harmful bacterial growth.
Fecal microbiota transplantation (FMT) holds promise in treating chronic liver diseases by restoring gut-liver axis balance. The consensus recommends FMT for various etiologies, excluding drug-induced liver injury, with strict donor selection and management guidelines to ensure safety.
Research reveals that chemotherapy alters the gut microbiota, producing indole-3-propionic acid, which travels to the bone marrow and rewires immune cell production. This leads to a metastasis-refractory state in preclinical models and improved survival outcomes in patients with colorectal cancer.
Researchers have found that chemicals in exhaled breath can reveal the composition of the bacteria living in the intestines, providing a potential non-invasive test for monitoring and diagnosing gut health issues. Breath samples from children with asthma were able to predict the presence of the bacterium linked to the condition.
Researchers discovered a probiotic strain, Bifidobacterium animalis subsp. lactis B960, that enhances the glucose-lowering effects of glibenclamide with minimal degradation. This combination therapy reduces fasting blood glucose levels and improves pancreatic function while alleviating hepatotoxicity.
Researchers found that hot spring bathing in Japanese macaques subtly reshapes their relationships with parasites and gut microbes. The study suggests that behavior can shape the animal holobiont and act as an important driver of animal health.
A recent review of bamboo consumption found promising health benefits, including improved metabolic health, reduced inflammation, and antioxidant activity. However, caution is advised due to potential risks associated with raw or improperly prepared bamboo.
A study from the University of Oklahoma suggests that maternal indole supplementation can significantly reduce the risk of fatty liver disease in children. The research found that offspring whose mothers received indole maintained healthier livers and had lower blood sugar levels, even after exposure to a Western-style diet later in life.
Researchers have identified a previously unknown mechanism that can reduce the risk of allergies and asthma in children. Certain bifidobacteria produce a substance called 4-hydroxyphenyl lactate (4-OH-PLA), which dampens immune responses to allergens, reducing the production of IgE antibodies.
Researchers analyzed faecal samples from 82 captive and 16 wild marsupials, revealing new microbial species and antimicrobial resistance. The study found that host family, location, and diet contributed to variance between different microbiomes.
A new study reveals that people with an unexpectedly high metabolic BMI have up to a five times higher risk level for diseases such as diabetes and fatty liver. Metabolic BMI is based on advanced metabolomic analyses and identifies obesity-linked changes in metabolism that can be present even at normal weight.
Researchers at Georgia State University found that segmented filamentous bacteria (SFB) provide marked protection against post-influenza bacterial pneumonia in mice. SFB reprograms alveolar macrophages to resist influenza virus-induced dysfunction, maintaining their defense against respiratory bacterial pathogens.
Researchers identified specific gut bacteria and metabolic pathways that drive alcohol production in patients with auto-brewery syndrome, a rare condition causing intoxication without drinking. A stool-based test may serve as an alternative to monitored blood alcohol testing for diagnosis.
A study of over 300 stool samples found that gut-microbe-derived bile acids may play a role in shaping the immune system during early childhood. The findings suggest an imbalance in how gut microbes co-produce these compounds, which could link to signs of type 1 diabetes.
A new study maps the impact of stressors during pregnancy on the developing fetal brain, revealing a cell atlas and identifying key immune pathways. The research sheds light on how maternal gut-immune disruptions can shape neurodevelopmental disorders in children.
A groundbreaking study from Northwestern University found that changes to the gut microbiome can change the way the brain works across different primate species. The researchers discovered patterns of gene expression associated with conditions like ADHD and schizophrenia in mice with microbes from smaller-brained primates.
A new international study found significant changes in gut bacteria at the onset of inflammatory bowel disease (IBD), a condition that affects the digestive system. The study reveals a loss of beneficial anaerobic bacteria and an increase in oxygen-tolerant bacteria, which may trigger inflammation.
Research reveals that low doses of nanoplastics can alter gut and liver function, with diet playing a key role. The study found that exposure to nanoplastics disrupted fat metabolism and glucose intolerance, especially in mice on Western-style diets.
Estrogen activates previously unknown pathways in the colon, triggering pain and increasing sensitivity to certain foods. This explains why women are more likely to suffer from IBS and provides potential new ways to treat the condition.
A recent rat study found that an individual's genes can shape their own gut microbiome as well as the microbiomes of those they live with. The research identified three new gene-microbe links and demonstrates how genetic influences can ripple through social groups via shared microbes
A UCLA study found that gut microbes are evolving differently in industrialized and non-industrialized parts of the world. Gene variants associated with starch digestion have
Researchers identified a specific type of gut bacteria, Turicibacter, that promotes metabolic health and reduces weight gain in mice. The bacterium produces fatty molecules that are absorbed by the small intestine, improving ceramide levels and preventing excessive weight gain.
The Algae for Health in Food and Pharma summit explores the latest developments in algae cultivation and processing, food innovation, and pharmaceutical applications. The event aims to advance the understanding of algae's health potential and highlight its applications across the food and pharmaceutical sectors.
Researchers have discovered that certain gut bacteria with similar structures to the protective layer of nerves can misdirect the immune system and cause it to attack its own nervous system. This mechanism accelerates the progression of multiple sclerosis.
Researchers have developed a new test that uses microbes to determine the age of termite droppings, allowing for rapid on-site infestation assessments. The study found that the amount of DNA from E. coli bacteria in the pellets decreases significantly over time, with a nearly 190-fold drop by the 12-month mark.
Research reveals that Methanogenic archaea, particularly M. smithii, play a crucial role in postnatal growth retardation by depleting β-hydroxybutyrate levels and inducing liver inflammation. Transplanting fecal microbiome from PGR piglets to mice confirms the same phenotypes.
A new study published in Gut Microbes reveals that married individuals with higher perceived emotional support have a lower body mass index and fewer food addiction behaviors. The study found that oxytocin pathways linking the brain, gut microbiome, and eating behaviors play a crucial role in shaping obesity risk.
Research finds that sorbitol, a common sugar substitute, can induce similar effects on the liver as fructose, leading to steatotic liver disease. The study also shows that gut bacteria play a crucial role in clearing sorbitol, and that excessive consumption can overwhelm them.
Research suggests that owning a family dog during adolescence can boost mental well-being and social support by altering the gut microbiota. The study found that adolescents with dogs had higher mental health scores and lower social problems compared to those without dogs.
Research highlights the connection between fungi and cancer, revealing that fungal microbiome can promote tumour progression and activate immunosuppressive pathways. Modulating the fungal microbiome may enhance antitumour immunity, with preliminary validation from preclinical and clinical trials.
A study by Shinshu University researchers highlights the potential of probiotics, prebiotics, and synbiotics to enhance livestock gut health, immunity, and growth while reducing dependence on antibiotics. The findings support sustainable livestock management and contribute to reducing antimicrobial resistance risks.
A large-scale laboratory screening identified 168 chemicals toxic to human-made gut bacteria. Washing fruit and veggies before consumption may help avoid exposure to these pollutants. Researchers developed a machine learning model to predict chemical harm, emphasizing the need for safer industrial practices.
Researchers identified a group of metabolites produced in the intestine that travel to the liver and heart, influencing metabolic pathways and insulin sensitivity. The study found that environmental factors can regulate these metabolites, which play a crucial role in obesity and type 2 diabetes.
A new study at Ohio State University found that adding a prebiotic to rat diets before and after traumatic brain injury (TBI) lowers impulsivity in decision-making tasks. The research suggests that gut dysbiosis may be a causal force behind long-term symptoms after TBI.
A new review connects gut microbiome imbalances to obesity, metabolic syndrome, and colorectal cancer, highlighting the potential for diet and microbiome-based treatments. The study also explores racial and socioeconomic disparities in microbiome-related diseases, emphasizing the need for inclusive prevention strategies.
A new paper outlines a global coalition dedicated to conserving microbial biodiversity, which accounts for 99% of life on Earth. The Microbial Conservation Specialist Group will develop Red List-compatible metrics, pilot restoration projects, and promote public awareness to ensure microbes are recognized as essential to planetary health.
Researchers found that bifidobacterium can boost cancer treatment by regulating the immune system, reducing inflammation, and supporting anti-tumor responses. The probiotic also helps detoxify carcinogens and convert food-based substances into cancer-fighting agents, offering a promising natural ally for cancer prevention and treatment.
Researchers found that eating a Mediterranean diet with moderate portions of lean beef did not increase blood levels of trimethylamine N-oxide (TMAO), an emerging indicator of cardiovascular disease risk. This suggests that dietary quality is more important than the amount of beef eaten in relation to heart health.
Research reveals that medications can reshape the trillions of microbes in the gut by competing for nutrients, leading to predictable changes in the microbiome. The study provides a framework for predicting how a person's microbial community might change with a given drug, potentially helping scientists find ways to prevent side effects.
A recent study at UC Davis has shown that feeding cows red seaweed can dramatically cut the amount of methane produced, with a 60% reduction in emissions. The research identified specific microbes in the cow's gut that help reduce methane production, opening the door to engineering these microbes for a long-term solution.
Researchers conclude that the hypothesis of a causal relationship between the gut microbiome and autism is unsupported by science. Key findings include inadequate sample sizes and flawed statistical methods in studies attempting to establish this link. The authors argue for a more rigorous approach to studying this topic.
A team of researchers led by Dr. Michele Ardolino is bridging scientific fields to unlock the mechanisms behind effective immune responses in cancer patients. They will study the interactions between the immune system, nervous system, and gut microbiome to design more personalized treatment strategies.
Scientists have discovered a method to induce the production of colanic acid, a compound found to promote longevity in animals, by exposing their gut microbiota to low doses of antibiotic cephaloridine. This approach shows promise for leveraging bacteria-targeting drugs to enhance lifespan.
Primary Biliary Cholangitis (PBC) is a chronic autoimmune liver disease characterized by immune-mediated destruction of small intrahepatic bile ducts. Recent studies have highlighted the significance of gut microbiota dysbiosis in PBC, with reduced diversity and imbalanced flora contributing to disease progression. The gut microbiome a...
Researchers identified 15 bacterial species linked to CAD, including strains of friendly bacteria that can turn harmful. The study suggests that microbes play a critical role in the development and progression of CAD through inflammation, metabolic imbalance, and other pathways.
A new study from Texas Biomedical Research Institute found that low-dose THC significantly reduced side effects and inflammation caused by HIV and antiretroviral therapy. The treatment also increased serotonin levels, lowered cholesterol and toxic bile acids, and improved cardiovascular health.
A recent study published in The FEBS Journal found that specific gut bacteria can efficiently metabolize different forms of nitrogen, preventing carcinogenic nitrosamine formation. This process is critical for maintaining intestinal and systemic health, potentially decreasing the risk of certain cancers.
A comprehensive review synthesizes current insights into the intricate connections between gut microbiota and sleep regulation, highlighting the crucial role of peripheral organs in modulating brain function and behavior. Disruptions in gut microbiota composition are closely linked to sleep disturbances across multiple disorders.
The microbiota is recognized as a dynamic organ producing molecules that regulate gene expression, immunity, and mitochondrial function. Biomarkers of inflammation, metabolism, and aging can be predicted through microbiota signatures, establishing the microbiota as a pillar of predictive medicine.
A new UCLA Health study found that a child's early gut microbiome may influence their risk of developing depression, anxiety or other internalizing symptoms in middle childhood. The effect appears to be related to the way bacteria are linked to communication across emotion-related brain networks.
A study from the Champalimaud Foundation found that when fruit flies are deprived of essential amino acids, their brains upregulate two olfactory receptor genes involved in smell, leading to a refined sense of smell that guides them to protein-rich yeast and gut bacteria. This interplay between smell and taste regulates feeding behavior.
A new study reveals that a specific E. coli strain can block the gut's defense mechanism by injecting a protein called NleL, allowing it to spread more easily. This discovery could lead to new treatments that target how bacteria cause disease.
Research from the University of Gothenburg has identified two bacteria that can produce bioactive serotonin, a key player in bowel movements and brain function. These findings suggest new avenues for treating functional gastrointestinal disorders like IBS.
A healthy microbiome promotes overall well-being, influencing areas like cognition, mood, immunity, and disease susceptibility. By incorporating proven dietary interventions, regular exercise, stress reduction, and adequate sleep, individuals can harness their microbiome for optimal health.
Researchers discovered that non-hibernating pikas alter their gut microbiota to increase urea nitrogen salvaging, maintaining protein homeostasis during winter. This adaptation helps the animals cope with the scarcity of dietary protein during the cold season.