Articles tagged with Human Microbiota
A global research collaboration identified Lactobacillus crispatus as a key protective bacterium in the vaginal microbiome. The study also found significant variations in vaginal microbiomes across human populations, with implications for improved diagnostics and treatments.
A global 'sisterhood' of citizen scientists sheds light on the complex vaginal microbiome, highlighting associations between microbial composition and clinical conditions like preterm birth and urinary tract infections. The study emphasizes the importance of considering whole complexity and continuity in vaginal microbiota composition ...
A new Weizmann Institute study identified all proteins in a stool sample – those from the microbiome, human body, and food – revealing secrets of the intestines and their impact on human disease. The method, dubbed IPHOMED, decodes microbiome activity by showing which proteins come from bacterial strains and amounts.
Research from RIKEN Center for Integrative Medical Sciences found that infant gut bacteria are associated with food sensitivities and allergies, particularly to eggs. The study suggests that probiotic supplements, such as Bifidobacterium, may help prevent food allergies in at-risk infants.
Researchers found that a person's microbiome signature can predict the likelihood of Enterobacteriaceae colonization. Fiber-rich foods support the growth of beneficial Faecalibacterium, which produce short-chain fatty acids protecting against infection.
Researchers discovered a set of genes in Lactiplantibacillus plantarum that enable it to stably attach to host tissue, revolutionizing our understanding of microbiome colonization. This breakthrough could lead to the creation of targeted probiotics and improved gut health.
The winners of the Applied Microbiology International Horizon Awards 2024 have been named, including the One Health Microbiome Center at Penn State and researchers Dr. François Thomas and Dr. Helen Onyeaka.
A recent study published in the journal Microbiome found that lifestyle factors, such as diet and smoking habits, significantly impact the composition of beneficial bacteria in the mouth. The research team analyzed saliva samples from individuals representing different subsistence strategies in Nepal and discovered a correlation betwee...
A team of researchers has identified numerous bacteria with potential therapeutic applications, including those related to respiratory diseases. By analyzing the microbiome of humans and animals, they have discovered genetic blueprints for natural products that could be used to develop new medications.
A new study has identified novel strains of microbes that have adapted to use limited resources in cities, including those found in Hong Kong's subways and skin. These microbes can metabolize manufactured products, posing health risks if they are pathogenic.
Researchers identify two distinct groups of bacteria: the Foundation Guild and Pathobiont Guild, crucial for maintaining human health. The Two Competing Guilds model offers personalized nutrition and targeted therapies to restore balance in the gut microbiome.
Repeated antibiotic use can cause defects in the gut's protective mucus barrier, even months after treatment. This is due to changes in the microbiota or direct effects of antibiotics on the mucus layer. The findings suggest that antibiotics should be used responsibly to prevent long-lasting damage.
Researchers discovered Corynebacterium matruchotii's unique cell division mechanism, enabling dense networks within dental plaque biofilms. This process allows the bacteria to explore their environment and form beneficial interactions.
Researchers have developed a comprehensive database of the 'food microbiome' by sequencing metagenomes from 2,533 foods, identifying 10,899 food-associated microbes. The study shows that these microbes can influence human health and provide insights into how to improve food quality, safety, and authenticity.
The game illustrates how lifestyle choices, such as eating vegetables and drinking alcohol, impact the human microbiome. Researchers developed the game to provide a comprehensive overview of the microbiome in a fun and accessible way.
Researchers engineered human skin bacteria to produce less lactic acid, attracting fewer mosquitoes to mice. The engineered microbes reduced mosquito attraction by up to 64.4% and also prevented bites.
Researchers found that bowel movement frequency is linked to long-term health, with younger people, women, and those with lower BMI tending to have less frequent bowel movements. The study also showed associations between bowel movement frequency and chronic disease risk, mental health history, and gut microbiome composition.
Researchers developed a novel approach to simulate personalized, microbiome-mediated responses to diet using microbial community-scale metabolic modeling. The method predicts individual-specific short-chain fatty acid (SCFA) production rates in response to different dietary, prebiotic, and probiotic inputs.
Researchers at Tufts University have developed a small device that can sample the full inventory of microorganisms in an individual's gastrointestinal tract. The technology uses a soft elastic exterior and microvalves to collect samples, offering improved control over localized sampling in the small intestine.
Researchers found two opportunistic bacteria significantly more abundant after three months of daily use, Fusobacterium nucleatum and Streptococcus anginosus. A decrease in Actinobacteria was also observed, crucial contributors to blood pressure regulation.
A team of researchers created a microfluidic human cervix model that replicates the complex interactions between cervical epithelial cells, mucus production, and microbiome. The Cervix Chip technology offers a new testbed for bacterial vaginosis therapeutics and other treatments, addressing a key women's health gap.
A recent study discovered a unique vaginal microbiome in patients with gynecological cancers, which could serve as a diagnostic biomarker. The researchers found a decrease in beneficial bacteria and an increase in potentially pathogenic microorganisms, leading to promising results for early detection.
African researchers are urging fair collaboration in microbiome studies to explore unique populations and environments, addressing a significant knowledge gap. The proposed framework emphasizes community involvement, capacity building, and multidisciplinary collaboration for sustainable outcomes.
A study has found that multiple species of Gardnerella, commonly linked to pre-term birth and bacterial vaginosis, can exist together in the same vaginal microbiome. This discovery adds to the understanding of Gardnerella's effects on human health and its potential role in pre-term birth.
A study found that individuals taking probiotic supplements showed increased sensitivity to fairness and a greater inclination to reject unequal offers. This was accompanied by changes in gut microbiota composition and levels of dopamine precursors. The findings suggest a potential causal mechanism linking gut bacteria to social behavior.
A study by the University of Cambridge and Fudan University found that children born by C-section are up to 2.6 times more likely to fail their first measles vaccination compared to those born naturally. Two doses of the vaccine are necessary for robust protection against measles.
Research suggests that microbes in the human gut influence social behavior, with certain bacteria offering protection against intestinal problems. The study found specific species of Blautia and Bacteroides uniformis that may benefit people with autism and GI disorders.
Researchers created a new model to study the effects of undernutrition on the microbiome, which can help identify specific microbes that impact development. The model mimics early childhood experiences and shows promise in understanding the underlying causes of stunted growth and other harmful effects of undernutrition.
A study published in Cell reveals a detailed catalogue of bacteria living in cancer metastases, including links to therapy efficacy and tumor cell activity. The research provides new insights into how bacteria interact with cancer cells and their surroundings.
The study found that Streptococcus and Pedobacter bacteria species were present in healthy eyes, while more Acinetobacter species were found in dry eye samples. This knowledge could lead to improved treatments for various eye problems and diseases affecting the gut microbiome.
The fungus C. albicans uses both yeast and hyphae forms to colonize the intestine efficiently when a complex bacterial community is present. The hyphal form produces Candidalysin, which inhibits bacterial metabolism, giving the fungus a competitive advantage.
The American Society for Biochemistry and Molecular Biology's annual meeting features exciting research findings on antibacterial compounds, whooping cough infection, nicotine addiction, and more. Complementary on-site press passes will be issued to a limited number of attendees.
Researchers at RIKEN found that gut bacteria, particularly Bifidobacterium, are associated with higher chances of successful milk-allergy treatment. However, only 7 out of 28 children who underwent oral immunotherapy passed the food challenge after a two-week milk avoidance period.
New research reveals that lockdowns had a significant impact on the gut microbiome development of babies born during these periods. Babies born during lockdown periods showed lower rates of allergic conditions compared to pre-pandemic babies, likely due to reduced infection and increased breastfeeding.
Researchers established a molecular link between specific B12-producing gut bacteria and acetylcholine production in C. elegans, a neurotransmitter important to memory and cognitive function. A diet rich in these bacteria reduced seizure-like behavior in mutant worms by restoring excitatory/inhibitory balance.
Researchers identify microbial enzyme bilirubin reductase that converts bilirubin into urobilinogen, causing urine's yellow color. The discovery sheds light on the gut microbiome's role in ailments like jaundice and IBD.
A recent study found that alterations in the human microbiome, including those in the gut, urinary, and salivary tracts, are linked to kidney stone formation. The research team discovered changes in these microbiomes were common among patients with kidney stones.
Research at University of Oxford found that diverse gut bacteria communities can block the growth of harmful pathogens, with certain species playing a crucial role. The communities work by consuming nutrients needed by the pathogen, and increasing diversity boosts protection.
Researchers developed a new framework to predict how microbes interact with each other in unique compositions. Most microbes had minimal impact on the final outcome, with only select few playing crucial roles. The model has potential applications in personalized medicine and understanding microbiome assembly.
A recent meta-study found that consuming fruit and vegetables contributes positively to bacterial diversity in the human gut. The study discovered that early childhood is a critical window for colonization with plant-associated bacteria, which have probiotic properties.
Researchers at The University of Toledo discovered that engineered Lactobacillus paracasei can lower blood pressure in female rats by introducing human ACE2. The study provides a paradigm shift in harnessing the body's microbiome to regulate blood pressure and offers new hope for treating chronic conditions.
A new framework aims to ensure Indigenous communities reap benefits from their microbiome samples, promoting equitable and beneficial research. Researchers highlight the need for community ownership of microbiomes, collaboration, and respect for Indigenous sovereignty.
The study discovered complex microbiome dynamics where commensal and pathogenic microorganisms coexist, influencing the severity of bacterial pneumonia. The respiratory tract microbiome composition, pathogen load, and clinical interventions also play a crucial role in disease outcome.
Researchers have identified essential genes for the growth of Patescibacteria, a group of tiny microbes that live on larger bacteria. The study provides insights into their unique biology and potential biotechnology applications.
Researchers discovered a gut bacteria that helps reduce insulin resistance and protect against diabetes. The study found that a specific bacteria, Alistipes indistinctus, consumed excess monosaccharides in the gut, lowering blood sugar levels and reducing insulin resistance.
Researchers analyzed thousands of samples from 700 children between birth and 12 years old, finding that racial and ethnic differences in the gut microbiome arise after three months of age. The study suggests that external factors shape these variations rather than being present at birth.
A study reveals that racial differences in gut microbiome composition arise after 3 months of age and persist through childhood. Early social and environmental exposures play a significant role in shaping the gut microbiome, with research suggesting that environmental and social factors contribute to health disparities.
A small pilot study found associations between specific microbe species and infants' performance in tests of social attention and rhythmic processing. The researchers observed higher levels of Actinobacteria and Bifidobacterium microbes in infants with better cognitive abilities.
Researchers found that clinical strains of Aspergillus fumigatus differ significantly from environmental strains in amino acid synthesis. The fungus appears to shape the lung microbiome to its advantage, surviving on vital metabolites produced by other microorganisms.
Researchers have found that caecilians, an elusive type of amphibian, transfer microbes from their skin and gut to their young during skin-feeding. This unique method of parental care provides nutrients and helps establish a healthy microbiome in juvenile caecilians.
A study reveals that specific bacteria drive the evolution of antimicrobial peptides in Drosophila, providing insights into how host immune systems adapt to new ecological niches. The findings also suggest a new model for AMP-microbiome evolution.
A new study estimates that dandelion greens, Jerusalem artichokes, garlic, leeks, and onions are the top five foods rich in prebiotics. These foods support gut microbes and contain high amounts of fiber, which can benefit health.
Researchers discovered a bacterial protein that contributes to genomic instability and birth defects. The study found that mice exposed to the protein experienced reduced fertility and increased birth defects, shedding light on potential cancer connections.
A phase I trial found that combining fecal transplants with immunotherapy is safe and shows promise in improving clinical responses in 65% of patients. The study used healthy donor microbiome to enhance immune system attack on cancer, offering a new paradigm shift in melanoma treatment.
The study found that the presence of microbiota increases tacrolimus levels in the blood, reducing the risk of rejection but also increasing side effects. Clinical tests revealed two specific types of bacteria associated with reduced tacrolimus dosages, and a link between Anaerostipes bacteria and diabetes prevention.
The study mapped out metabolite by-products of bacteria processing amino acids linked to cardiovascular disease, comparing patient data to assess disease risk. Researchers developed a method for assessing absolute metabolite levels in the bloodstream, allowing identification of cutoff values for low versus high risk.
Researchers at Rutgers University found that vaginal seeding restored beneficial bacteria to the skin surface and stools of C-section babies, similar to those born vaginally. The study suggests that this technique may help prevent metabolic and immune-related diseases in C-section babies.
Researchers tracked the evolution of Staphylococcus aureus in patients with eczema, discovering rapid mutations in a gene that enables the bacteria to grow faster on the skin. These findings could lead to targeted treatments by targeting variants of S. aureus associated with eczema symptoms.
Researchers discovered multiple virus types persisting within organs such as kidneys and brain, challenging our understanding of the human microbiome. The findings suggest viruses may contribute to chronic diseases like cancer or autoimmune disorders, while also playing a role in immune system regulation.
Researchers at the Forsyth Institute have discovered a molecule naturally produced by the human host that targets and inhibits Fusobacteria, an opportunistic oral pathogen linked to colorectal cancer. The findings suggest a chemically modified version of this molecule could be used as a potential therapeutic to prevent colorectal cance...