Articles tagged with Bacterial Species
Recent research in Caenorhabditis elegans suggests that a moderately acidic digestive tract may actually make bacterial pathogens more potent. This finding could have significant implications for addressing antibiotic resistance worldwide.
Researchers explore chemodiversity in plants to understand its impact on ecosystems, including foodwebs and biodiversity. The new Research Unit will analyze chemodiversity within individual plants, between populations, and across species.
Researchers found that humidity and aspect of the tick's environment impact the types of bacteria carried by ticks. Borrelia afzelii is more common in humid slopes facing north, while Rickettsia species are prevalent on drier, steeper slopes.
Researchers discovered that Stenotrophomonas maltophilia uses a secretion system to inject toxins into competing bacteria, eliminating them. The study also identified a key toxin molecule that can reduce bacterial replication rates.
Researchers analyzed bushmeat samples from Tanzania's Serengeti National Park and found 27 different groups of bacteria, including those causing anthrax, brucellosis, and Q fever. The team identified a high prevalence of Clostridial species, which cause diseases like botulism and tetanus.
Researchers tested heat tolerance in 5 aphid species against their endosymbionts' sensitivity to heat. Heat exposure reduced survival and reproduction in some species, while enhancing fecundity in others.
Researchers discovered that bats have fewer bacterial species living in their guts than in their mouths and skin. The kinds of bacteria living in the bats' guts varied from species to species without following any apparent evolutionary pattern, a stark contrast to other mammals.
A recent study found high prevalence and diversity of antibiotic-resistant genes in wildlife enteric bacteria from Catalonia. The study highlights the risk of human exposure to these resistant traits through wildlife.
Researchers have published protocols for culturing Liberibacter crescens, a genetically similar bacterium, to study citrus greening. This advance enables the scientific community to use L. crescens as a realistic surrogate host for Ca. L. asiaticus.
A study from Texas A&M University found that dogs with chronic enteropathy and exocrine pancreatic insufficiency have similar bacterial outputs, suggesting a common underlying mechanism. This discovery could lead to the development of more targeted treatments for both canine and human GI diseases.
Research reveals that E. coli bacteria gain a competitive advantage over beneficial microbes in inflammatory bowel disease (IBD) by adapting their dietary preferences to amino acids, particularly serine. This finding suggests that a low-serine diet may help control the overgrowth of pathogenic E. coli.
Researchers studied African megafauna diet and gut microbiome, finding correlations between diet composition and microbiome composition. Seasonal changes in diet and microbiome were observed, with some species exhibiting little variability and others showing significant differences.
Researchers at Stellenbosch University have discovered a unique association between the Cape geophyte genus Oxalis and the nitrogen-fixing bacterial genus Bacillus. The bacteria help Oxalis fix nitrogen from the air and perform extraordinary feats of germination, with some species inheriting the bacteria from mother plant to seed.
Researchers at OIST have constructed a new termite family tree using comprehensive RNA sequence analysis, placing a previously difficult-to-place subfamily within the Termitidae. The study reveals that comb building emerged in their common ancestor several million years after the loss of gut symbionts.
A new study by Hebrew University researchers found that bacteria can survive in tiny droplets on leaf surfaces during the day. The droplets, formed through a process called deliquescence, protect bacterial cells from drying out and allow them to thrive.
Scientists discovered that microscopic droplets on leaf surfaces provide refuge to bacteria, allowing them to survive dry conditions. The study's findings may enable the development of practices supporting healthy plant microbiomes in agricultural and natural settings.
Researchers at the University of Oregon found that low-dose antibiotic exposure can cause significant changes in gut bacterial communities, leading to severe drops in bacterial populations. The study used zebrafish as a model organism and showed that the physical activity of the intestine amplifies the effects of weak antibiotics.
Researchers at the University of Delaware have invented a bacteria-based application to prevent or mitigate harmful algal blooms, specifically targeting dinoflagellates responsible for red tides. The algicide, embedded in gel beads, is environmentally neutral and can be deployed in coastal waters as needed.
Researchers at Caltech have discovered a new species of worm, Auanema sp., in Mono Lake, which can survive 500 times the lethal human dose of arsenic. The eight discovered species are diverse and resilient to arsenic-laden conditions, suggesting nematodes may have genetic predispositions for adaptability.
During menopause, the natural balance of vaginal bacteria is upset, leading to increased risk of urogenital infections and other health problems. Research highlights the importance of preserving healthy bacteria populations and strategies for promoting Lactobacillus colonization after menopause.
Researchers identified fibers that selectively increase the abundance of beneficial microbes and tracked down the bioactive components responsible for their effects. The study provides insights into how gut communities compete or cooperate with each other for dietary fiber ingredients.
A study found that nearly two-thirds of Danish hedgehogs carried mecC-MRSA, a type of antibiotic-resistant bacteria. However, there was no evidence of transmission from hedgehogs to humans or rehabilitators, dispelling fears about hedgehog visits in gardens.
A new reference database for a healthy human gut microbiome has been compiled by researchers, providing insights into the types of microorganisms present in humans. The database, called GutFeelingKB, contains information on 157 organisms across 60 distinct genera, with certain bacteria, such as Firmicutes and Clostridia, being dominant.
A recent study has characterized the diverse array of bacterial species residing in human guts, revealing 157 different types of organisms. The research, led by Hiroki Morizono, aims to improve public health by establishing a baseline for healthy gut microbiomes and exploring health implications for patients.
A team of researchers at George Washington University published a comprehensive list of the types and ratios of microbes that inhabit a healthy human gut, known as GutFeelingKB. This database will serve as a reference for doctors, patients, and researchers, providing an understanding of what constitutes a 'normal' human microbiome.
Researchers have discovered complex social behaviors in kombucha microbes, which could provide clues for understanding cooperation in human societies. By studying the interactions between different species in kombucha, scientists hope to develop new antimicrobial products and interventions for bettering human health.
Researchers have discovered fungi that flourish in people infected with C. difficile, suggesting a potential new way to treat the disease. The findings suggest that fungal species may contribute to the development of C. difficile infections and could be used as a therapeutic target.
Scientists have found that Wolbachia's ability to block virus transmission may be maintained by natural selection, alleviating concerns about its long-term effectiveness. The study identified a gene within A. aegypti mosquitoes involved in Wolbachia's blocking trait.
A study in the Atacama Desert found that microbial life can be transported across the hyperarid environment using wind-driven dust particles. This suggests that potential microbial life on Mars may spread similarly, with implications for future research and exploration.
A study published in Evolution Letters reveals that many carnivorous species share a common ancestor dating back 800 million years, while herbivory is more recent. The research suggests that animals tend to adopt the same dietary category as their closely related species, implying that switching diets may not be easy.
Researchers used a 'One Health' approach to study three bacterial species in the noses of young cattle, finding patterns that differ remarkably between the bacteria. The findings could help prevent and control respiratory diseases, particularly when infection becomes established in the lower respiratory tract within the lungs.
A new genus of bacteria has been identified as a major contributor to coral decline, siphoning energy from corals and making them more susceptible to disease. The study found that the bacterial genus is globally associated with many different coral hosts and has genes that enable it to parasitize its hosts for amino acids and ATP.
Researchers from Osaka University developed a comprehensive database of 175 NTM species using multilocus sequence typing. Their new software, mlstverse, can accurately identify NTM to the subspecies level, allowing for targeted therapies and improved cure rates.
A microbial community with small diversity was found to efficiently clean up algal blooms through the bacterial degradation of specific polysaccharide substrates. The study revealed a limited spectrum of important polysaccharide classes, primarily alpha- and beta-glucans, which are made up of basic components.
Coral reefs face extinction due to climate change, but research shows bacteria play a crucial role in their resilience. Studies reveal that some corals adapt by associating with different bacteria, while others maintain consistent relationships.
A new study found that organic apples contain a more diverse range of beneficial bacteria, which could contribute to improved gut health. In contrast, conventional apples were found to have higher levels of pathogenic bacteria, such as Escherichia-Shigella. The researchers also discovered that the bacteria in organic apples were more c...
A team of researchers from Tufts University has developed a 3D-printed pill that can sample bacteria in the gut without causing harm. The pill provides accurate identification of bacterial populations and their relative abundance, enabling better understanding of the role of different intestinal bacterial species in health and disease.
University of Illinois Professor Nenad Miljkovic validated the antimicrobial efficacy of John Boos & Co.'s proprietary cutting boards and companion board oil and cream. The study found that application of the Mystery Oil and Board Cream created an antimicrobial, hydrophobic surface that killed bacteria after three hours.
Researchers found that red algae stole approximately 1% of their genes from bacteria to adapt to toxic metals and salt stress in hot springs. The study suggests that this genetic adaptation could be used to develop novel genetic engineering methods to produce fuels and clean up polluted sites.
Researchers found that curved shapes can facilitate efficient swimming and chemotaxis, but come with higher cell construction costs. This discovery opens questions about the shape of disease-causing bacteria and its potential industrial applications.
A study by ISGlobal reveals that Acinetobacter bacteria commonly acquired in hospitals can also be transmitted through contaminated food, specifically raw meat. The research analyzed 138 meat samples and identified 12 isolates of the ACB complex, suggesting that raw meat may serve as a reservoir for these pathogenic bacteria.
Researchers have identified specific bacterial species in the human infant gut that protect against food allergies. Administering these microbes as a therapeutic can prevent food allergies from happening and even reverse existing ones in mice, offering a new approach to treating this common condition.
Researchers discover distinct skin microbiome in frog populations with and without ranavirus outbreaks, suggesting a protective role of skin bacteria. Further study is needed to understand the mechanisms behind this relationship.
A Montreal-based research team has found a correlation between gut bacteria and chronic pain in people with fibromyalgia. Variations in the microbiome composition of approximately 20 different species of bacteria were observed in individuals with fibromyalgia compared to healthy control subjects.
A team of scientists from Kiel University and Max Planck Institute for Evolutionary Biology applied the neutral metaorganism theory to various model organisms. The study found that the predicted microbial community compositions matched experimental data for many organisms, suggesting a possible lesser role for selection in shaping micr...
A study discovered that farm-like indoor microbiota protects children from asthma in urban homes, with a key characteristic being large abundance of outdoor environment bacteria. The presence of these beneficial microbes may help develop mechanisms protecting against asthma.
An observational study found that human contact was responsible for 90% of the spread of one species of antibiotic-resistant bacteria to new patients. However, the same level of transmission was not seen with another species, highlighting the need for multiple prevention strategies.
Researchers found that lemurs' gut microbes vary by species and habitat, affecting their ability to digest plant-based diets. The study suggests that leaf-eating sifakas may be more sensitive to forest loss due to their specialized microbial mix.
A new species of bacteria has been found to produce a range of toxins that protect both the marine alga Bryopsis and the sea slug Elysia rufescens from predation. The discovery provides insight into the complex microbial interactions that contribute to biodiversity in coral reefs.
A study published in Scientific Reports reveals that cats with diabetes have altered gut bacteria compositions compared to healthy cats. The researchers found reduced diversity of gut bacteria in diabetic cats, which aligns with human findings and challenges previous studies.
Researchers discover that fluid flow significantly impacts bacterial biofilm architecture, with dense formations in weak flows and sparse colonies in strong ones. This study provides insights into the role of physical principles guiding biofilm organization and its implications for bacterial physiology and evolution.
A new study reveals that bacteriophages can have a profound impact on the dynamics of the gut microbiome, causing a cascade of effects on other species and modulating metabolite levels. This finding has significant implications for therapeutic use and understanding the potential effects of other treatments.
Scientists used a powerful microbial detection device to show that suggestions of sewage in Kauai's watershed were mostly false positives. The PhyloChip technology detected isolated incidences of pig and cow fecal contamination, but the popular beach area downstream was clean.
A recent study found that nearly all newborns had bacteria in their first poop, contradicting the long-held assumption of a sterile womb. The researchers collected amniotic fluid samples from 50 healthy women undergoing planned caesarean deliveries and discovered bacterial DNA in almost all viable samples.
Researchers found that hand hygiene was effective in limiting transmission of ESBL K. pneumoniae, but additional measures like environmental decontamination were necessary to prevent spread of ESBL E. coli. Wearable sensors tracked human contact patterns over eight weeks, revealing the importance of close proximity interactions.
A research project funded by the National Institutes of Health has identified differences in vaginal bacteria that may raise the risk of preterm birth among pregnant African-American women. The study found that women who delivered preterm had a more diverse microbiome in early pregnancy compared to those who delivered at term.
A new study reveals that restoring degraded landscapes to biodiverse ecosystems favors more stable and specialist bacteria over opportunistic ones. This shift in bacterial composition has potential immune-boosting effects, suggesting a connection between healthy ecosystems and human health.
Scientists have pioneered a new genomic methodology to identify and map bacterial species on the International Space Station, aiming to safeguard astronauts' health. The approach has applications in environmental management and healthcare, and will enable researchers to explore new microbiome environments.
A large-scale study has investigated the composition of microorganisms in the digestive tract of animals, revealing evolutionary relationships between host species and their gut microbiomes. The study found that closely related species share similar microbial communities, while diet also plays a significant role in shaping the gut micr...
Researchers mapped over 1.1 million forest sites and 28,000 tree species to understand how symbiotic partnerships structure the world's forests. The study revealed a new biological rule, Read's Rule, which predicts massive changes to the symbiotic state of the world's forests if carbon emissions continue unabated.