Articles tagged with Bacterial Composition
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Researchers have found that hypermucoviscous K pneumoniae strains carry higher rates of virulence genes and are less responsive to conventional drugs. These strains are thicker and stickier than previous strains, making them more challenging to treat with antibiotics.
Researchers have found that ambrosia beetles actively influence the composition of their fungal gardens, shifting towards food fungi. The beetles use specific bacteria to suppress weed fungi growth, and their social behavior creates a close symbiosis with fungi.
Researchers discovered that plants can regulate their microbiome through the secretion of flavonoids, which affect beneficial and harmful microorganisms around plant roots. This delicate balance helps protect plants from parasitic nematodes, reducing susceptibility to infection.
Researchers identified a specific gut bacterium responsible for antibiotic-induced GVHD after stem cell transplants. A sugar supplement was found to improve gut health by distracting the bacteria from attacking mucin in the intestinal lining, reducing complications such as GVHD.
Researchers found that bodies with lower BMI had decreased bacterial diversity, while those with higher BMI maintained constant diversity. The study suggests intrinsic factors like disease and medication load may impact microbial life in the surrounding soil.
A new biological sensor developed by the Hebrew University of Jerusalem has successfully detected hidden rot in potato tubers, one of Israel's chief export industries. The sensor can detect disease before visible symptoms appear, allowing for early identification and prevention of rot and food loss.
Research from Anglia Ruskin University found that microbial instability in the gut hinders endurance athlete performance. High-carbohydrate diets were associated with improved time trial performance, while a short-term high-protein diet led to reduced time trial performance by 23.3%.
Researchers from UToledo found that a dominant gut bacteria species, Coprococcus comes, can break down quinapril and ramipril, reducing their efficacy. This study provides insights into the impact of gut bacteria on blood pressure medication, potentially leading to new ways to overcome treatment-resistant hypertension.
A new study reveals that recurrent urinary tract infections (UTIs) may be caused by an imbalance in the gut microbiome, which can lead to chronic inflammation and increased risk of future UTIs. Antibiotics given to treat UTIs can disrupt the microbiome, making it easier for disease-causing bacteria to spread.
Research finds that intestinal inflammation liberates chemicals that nourish E. coli's growth and promote inflammation, highlighting new treatment targets for Crohn's disease. The study identifies key compounds that feed E. coli, such as phospholipids and amino acids, and shows that these compounds can enhance the bacteria's virulence.
A recent study has found a link between high carbohydrate intake and the diversity of oral bacteria in postmenopausal women. The researchers also discovered associations between sugar consumption and certain types of gum disease, such as gingivitis. These findings suggest that diet may play a role in the development of periodontal dise...
An international research team analyzed the microbial community living on the carapaces of deep-sea squat lobsters, finding a diverse microbiome that likely provides benefits to both organisms. The microbes utilize energy-rich chemical compounds, while the squat lobsters may use them as a source of nutrients or have them remove toxic s...
A recent review highlights the effects of different intestinal bacteria on colorectal cancer, exploring new therapies for disease prevention and treatment. Beneficial probiotics, such as Akkermansia muciniphila and Lactobacillus rhamnosus GG, exhibit anticancer properties and reduce CRC cell proliferation.
Researchers at Tel Aviv University found that a specific type of bacteria, Weissella, becomes dominant in the gut microbiomes of locusts when they form swarms. This change may provide the bacteria with an evolutionary advantage, allowing them to spread and infect more locusts.
Researchers at TUM discover that intestinal bacteria interact with Paneth cells in the gut mucus layer, leading to chronic inflammation. This finding may lead to new treatments for IBD.
An international research team discovered that intestinal bacteria can distribute their metabolic products throughout the body via the bloodstream using membrane vesicles. The study found that these vesicles can overcome the blood-brain barrier and enter brain cells, suggesting a new method for delivering drugs or vaccines.
Researchers found that certain species of gut bacteria accumulate human drugs, altering their types, activity, and metabolism. This can change the effectiveness of the drug both directly and indirectly, affecting side effects.
Researchers found that acidic pH enhances the production of butyric acid from apple pectin by faecal bacterial consortia, supporting gut health. A fibre-rich diet with whole-grain products, vegetables, fruits, and berries is essential for good gut health.
A low-calorie diet significantly alters the composition of the human gut microbiome, leading to changes in nutrient absorption and influencing weight control. The study found that specific bacteria, such as Clostridioides difficile, play a role in this process.
Researchers discovered a possible link between oral microbes and rheumatoid arthritis, finding similar bacterial compositions in patients' mouths as those at risk of developing the disease. The study suggests that potentially pro-inflammatory bacteria, such as Prevotella and Veillonella, may play a role in the disease
A new mathematical model developed by Chalmers University of Technology can predict how different bacteria interact and affect the intestinal microbiome. The model was tested on two clinical studies, one involving Swedish infants and another adults in Finland, showing high accuracy in predicting multiple variables.
Researchers aim to create implant surfaces with antibacterial features, inspired by natural materials like insect wings and lotus leaves. The goal is to reduce prosthetic infections, which cause significant costs to healthcare systems.
An international team of researchers is working on creating bactericidal surfaces inspired by natural materials like insect wings and lotus leaves. These features can be used to kill bacteria and reduce infection rates in medical implants.
A five-day fast followed by a healthy diet reduces inflammation and promotes beneficial gut bacteria, improving cardiovascular health. Long-term effects include lower body mass index, reduced blood pressure, and decreased antihypertensive medication use.
New research in mice reveals a crucial link between the gut mycobiome and host metabolic outcomes. The study found that exposure to processed diets led to persistent differences in fungal communities, which correlated with differential body mass deposition and metabolic disturbance.
Researchers at Utah State University used a new tool to study the effects of stress on Pseudomonas chlororaphis O6, a health-promoting bacterium found in dryland wheat roots. The study found that stress can cause compositional changes in the bacteria's outer membrane vesicles, which may be leveraged for crop benefit.
Researchers used bacteria Bacillus cohnii to create self-healing concrete that can repair small fissures within 28 days, extending the lifespan of structures by up to 4 times. This innovative material is particularly relevant for construction in seismically risky areas and high-humidity regions.
A microbiome-targeted therapy, known as microbial transfer therapy (MTT), has shown encouraging results in treating autism symptoms by expanding gut microbia diversity and reducing GI issues. The approach involved transferring healthy gut microbes into ASD patients' guts over 7-8 weeks, leading to improved behavior and reduced symptoms.
Scientists from the University of Copenhagen have created an AI-powered method to study the complex gut microbiome by analyzing faeces. The technique can help identify patterns in bacterial composition and connection to diseases like diabetes and autism.
Scientists have discovered how a common virus infects and takes over bacterial cells, enabling targeted manipulation of the gut microbiome. The crAssphage virus uses its own enzyme to produce RNA copies of its genes, similar to human enzymes involved in RNA interference.
A RUDN University study found that deforestation leads to massive transformations in soil bacterial communities, with some plantations showing higher diversity than forests. The key factors are soil acidity and resource availability.
Researchers have developed a method to break down thick biomass material using microwave pulses, reducing viscosity and breaking polymer chains. The plasma-liquid interaction forms reactive species that help degrade biomass, making it easier to produce biogas.
A study published in Frontiers found that men's penile microbiota can predict with high accuracy whether their female partner will develop bacterial vaginosis. The researchers analyzed the microbiota of 168 Kenyan couples and found a direct correlation between the composition of a man's microbiome and the occurrence of BV in his female...
A pioneering study found specific genetic changes affect gut bacteria populations, paving the way for understanding disease causes. Researchers identified 13 DNA changes related to changes in gut bacteria presence or quantity.
Researchers found that psychiatric medications like antidepressants can alter gut bacteria in rats, sparking questions about specificity of psychoactive drug action and potential benefits or drawbacks for human patients. The study aims to explore these findings further through a large-scale human observational study.
Research found that ocean water exposure can alter the diversity and composition of human skin microbiome, leaving individuals more susceptible to infections. Vibrio species were detected on every participant after swimming, with a significant affinity for attachment to human skin.
A Kiel University team proposes that over-fed bacteria disrupt the human microbiome, leading to disease development. The researchers suggest that an unnatural nutrient supply decouples bacteria from their host organisms, promoting disease growth.
A study published in mSystems found that stress caused changes in intestinal bacteria that stimulated immune cells, increasing the likelihood of an autoimmune attack. The researchers also identified specific bacterial species and genes associated with autoimmunity.
Researchers found a dramatic change in bacterial composition during late pregnancy, with Bifidobacterium increasing in relative abundance. Progesterone regulates microbial growth, aiding in baby development and potentially impacting preterm delivery.
Researchers discover that virus-infected bacteria can produce new viruses to attack their original invader, a form of resistance previously unknown. This competitive interaction helps stabilize microbial populations in marine systems, crucial for biogeochemical processes related to climate change.
A team of physicists from Immanuel Kant Baltic State University has developed a new method to quickly identify single antibiotic-resistant bacteria cells that are the agents of tuberculosis. The technique uses Raman scattering spectrography to analyze bacterial cells without damaging them.
Researchers have found a bacterial signature associated with intestinal disease, including Crohn's and ulcerative colitis. The study identified 18 new species of bacteria that can affect disease outcome, highlighting the importance of individualized approaches to treatment.
Researchers at UNC School of Medicine and Notre Dame University have coined a new term 'in fimo' for the experimental examination of excrement, derived from the Latin root laetus meaning fertile or happy. The study aims to improve scientific accuracy in discussing gut bacteria and their role in human health.
A new study conducted by researchers at the University of Copenhagen has shown that faeces transplantation can significantly reduce the incidence of necrotizing enterocolitis (NEC) in pigs born prematurely. The treatment involves transferring faeces from healthy donor pigs to the rectal opening, resulting in a 75% decrease in NEC cases...
Researchers found that a low-gluten, fibre-rich diet changes the community of gut bacteria and decreases gastrointestinal discomfort such as bloating. The study suggests that dietary fibres, not the absence of gluten alone, are the primary cause of these changes.
Researchers found that antibiotics can almost completely eradicate gut bacteria in healthy adults, but most species recover over time. However, a significant portion of beneficial bacteria remain missing, and the diversity of the gut ecosystem is diluted.
Researchers found a correlation between the type and severity of cold symptoms and the mix of bacteria living inside the nose. Six different patterns of nasal microbiomes were identified, each associated with differences in symptom severity and viral load. Probiotics did not have an impact on cold symptoms or nasal microbiomes.
A new study by San Francisco State University found that exercise increases beneficial bacteria in the gut, leading to improved cardiovascular fitness. The study, which analyzed stool samples from 20 men and 17 women, revealed a higher ratio of firmicutes to bacteroides bacteria in those with better cardiovascular health.
Researchers have found that probiotics can significantly reduce bone loss in older women, halving the rate of bone degeneration compared to those who received a placebo. This discovery has important implications for preventing fractures among the elderly and may offer a new preventive treatment for osteoporosis.
A study from Lund University reveals that older slow sand filters are more effective at cleaning drinking water due to the development of a specific ecosystem of bacteria. The use of 'sand starter' made from bacteria and sand from an older filter can improve new sand filters.
Researchers at Lund University found that certain amino acids in blood are connected to obesity and gut microbiome composition. The study analyzed 674 participants and identified metabolites linked to BMI, including glutamate and BCAA, which interact with intestinal bacteria.
Research highlights the importance of dietary fiber in managing weight, blood sugar, and insulin sensitivity. Low-fiber diets can lead to weight gain, high blood sugar, and inflammation. Fiber supplements may help restore gut bacteria balance but more study is needed for treatment recommendations.
A large Danish study found that whole grains reduce inflammation in the body and lead to weight loss in overweight adults. The study suggests that choosing whole grains over refined grains can have numerous health benefits, particularly for individuals at risk of cardiovascular disease or type 2 diabetes.
A new study finds that gut bacteria from old mice induce age-related chronic inflammation in young mice, suggesting a potential strategy for healthy ageing. The research highlights the importance of maintaining a balanced gut microbiota to prevent inflammaging and related diseases.
A small study found that gut bacteria undergo significant changes within 72 hours of serious injury/trauma, which may impact recovery outcomes. These changes could be used to inform probiotic regimens or guide microbial composition shifts, potentially improving critical care outcomes.
Researchers at the University of Illinois Chicago have identified two asthma phenotypes linked to distinct lung microbiomes, suggesting a potential for more precise treatments. The study found that targeting specific bacterial compositions may help control asthma severity and development.
A new study by Cleveland Clinic researchers has found a significant link between bacterial imbalances and breast cancer, with healthy breast tissue containing more of the bacterial species Methylobacterium. The study's findings could lead to new perspectives in the battle against breast cancer.
Researchers from Kiel University discovered that small molecules secreted by nerve cells influence the composition and colonization of specific types of beneficial bacteria in Hydra. The study found that these neuropeptides have antibacterial activity, which affects the balance of the microbiome.
Researchers identified distinct gut microbiota profiles associated with altered brain activity and emotional responses in healthy women. The Bacteroides group showed increased gray matter and hippocampal volume, while the Prevotella group exhibited reduced brain volumes and heightened negative emotions.
A new study from the University of South Carolina found a gastrointestinal link to Gulf War Illness, potentially explaining both gastrointestinal inflammation and neurological symptoms. The research suggests that altering the intestinal microbiota may lead to improved treatment options for GWI.