Articles tagged with Bacterial Species
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A study by Virginia Tech undergraduate Megan O'Hara found that surface properties significantly influence bacterial twitching motility, allowing for rapid colonization and infection. By manipulating surface properties with detergents like bile salts, researchers can alter the functionality of type IV pili, a critical virulence factor.
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 at Washington University in St. Louis have discovered two species of purple bacteria that can produce polyhydroxyalkanoates, natural polymers for bioplastics. Genetic engineering has also been used to boost production levels in another well-studied but stubborn species.
French PDO cheese producers harbor a staggering array of microbial life in their dairy products, with over 820 bacterial species identified in the cheeses and nearly 1,230 in the milk sources. Regional artisanship plays a significant role in shaping these microbial assemblages.
Researchers investigated the effects of initial microbiota on microbial succession during eggplant fermentation, finding two distinct patterns of LAB dominance. They also identified Lactiplantibacillus plantarum as a primary contributor to lactic acid production and nutrient content.
Researchers have discovered a dynamic cross-kingdom horizontal gene transfer between plants and bacteria, transferring 75 genes that enhance carbohydrate metabolism and hormone synthesis. This finding opens up exciting possibilities for biotechnological applications in agriculture.
A team of Texas A&M researchers will conduct a five-year study on brucellosis in Armenia to improve detection capabilities and provide education. The project aims to better understand the disease's presence and prevalence, allowing the Armenian government to develop a control plan to stop its spread.
A UCF biologist has compiled a database of animal DNA to study the presence of magnetic bacteria, which may aid in navigation and conservation. The database contains hundreds of millions of genetic sequences showing the presence of various types of magnetic bacteria.
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 novel real-time PCR method has been developed to detect and identify the emerging zoonotic foodborne pathogen E. albertii, which is often misidentified as E. coli. The study found that E. albertii can survive in the human intestinal tract for approximately four weeks.
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.
Climate change threatens freshwater habitats, disrupting microbial communities essential for nutrient cycling and water quality maintenance. Many abundant freshwater bacteria with small genomes experience extended periods of adaptive standstill, limiting their ability to adapt to changing environmental conditions.
A study found that households with traditional dirt floors and animals indoors have higher human flea populations, increasing disease risk. Upgrading flooring to concrete or board can help reduce flea infestations and improve quality of life.
Researchers have identified a novel class of antimicrobial toxins, dubbed umbrella toxins, produced by soil bacteria Streptomyces. These toxins are large protein complexes that specifically target other Streptomyces species, making them a promising lead in the fight against antibiotic resistance.
A handheld device developed by Osaka Metropolitan University's team can detect multiple bacterial species within an hour, including disease-causing E. coli and salmonella. The sensor uses organic metallic nanohybrids to distinguish electrochemical signals on the same screen-printed electrode chip.
A randomized controlled trial reveals that infant gut microbiomes oscillate with a circadian rhythm, detectable as early as 2 weeks after birth. Diet has less impact on the development and composition of the infant microbiome than previously thought.
A new study has discovered that Streptococcus anginosus bacteria play a significant role in causing stomach cancer. The research showed that S. anginosus infection led to gastric inflammation, cell damage, and the growth of stomach cancer cells, doubling tumour size and weight in some cases.
A new study published in PLOS Medicine found distinct patterns of antimicrobial resistance prevalence by age and sex across Europe. The study analyzed data from nearly one million people in 29 European countries, revealing that peaks in resistance varied by bacterial species and often occurred at the youngest and oldest ages.
A team of researchers has developed a reliable method to define bacterial species and strains by analyzing genetic diversity. The study found that natural gaps in genetic diversity can be used to differentiate between species, with members of the same species showing high levels of genetic relatedness.
Researchers have designed a chemical sensor array, or an artificial tongue, that distinguishes dental bacteria and can inactivate them. The artificial tongue uses nanoscopic particles coated in DNA strands to detect the presence of bacteria, and can distinguish between healthy and diseased individuals with high accuracy.
Researchers discovered that a bacterial species can switch from being prey to a predator when grown at a lower temperature. The study, published in PLOS Biology, highlights the importance of considering historical context in evaluating predator-prey relationships.
A study by Pusan National University researchers found a significant association between Cutibacterium acnes and lichen striatus hypopigmentation, suggesting the potential for targeted therapy to reduce LS duration and hypopigmentation. The research team identified other likely candidates in skin microbiota imbalance.
Researchers developed a new mathematical framework to analyze genetic interactions and identified key regulators in entire biological networks. The approach, which combines geometry and statistics, reveals how individual genes and species influence network dynamics.
The study found that co-existing bacteria species in the chicken gut share AMR-associated genetic material and implement similar resistance mechanisms. This discovery highlights the importance of understanding microbial community interactions in livestock farming.
Researchers at the University of Louisville are studying Yersinia pestis bacteria to better understand its ability to evade the immune system. The team hopes to develop new ways to control infectious diseases, including plague and other lung infections.
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 in Chile developed a prototype using microorganisms to remove VOCs and PAHs from indoor air, achieving efficiencies above 90%. The system can operate for 8 months without losing efficiency. This breakthrough offers a potentially low-cost solution to improve indoor air quality.
The giant bacterium Epulopiscium viviparus has modified its metabolism to make the most of its environment, using a rare method to produce energy and harvest nutrients from its host's gut. This unique approach allows it to thrive in extreme conditions, with similarities to how mitochondria function in more complex organisms.
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 have found that Vibrio bacteria play a role in outbreaks of mortality among dark stinging sponges weakened by warming Mediterranean. The study suggests climate change may be impacting disease dynamics in sponges and their pathogens.
Researchers have discovered that the waxy protective barrier around plants plays a role in sending chemical signals to other plants and insects. This discovery might eventually be harnessed to develop stronger plants that can deal with challenging environmental conditions.
Researchers at UC San Diego School of Medicine found that certain bacterial species dismantle protective molecules on vaginal cells, dysregulating cell turnover and response to surrounding bacteria. This study may help explain the association between bacterial vaginosis and adverse sexual and reproductive health outcomes.
Researchers at UMass Lowell found that anti-inflammatory bacteria were less abundant in people with Parkinson's disease, suggesting a potential biomarker for early diagnosis. A new study on Latinos may also uncover novel biomarkers for Alzheimer's disease.
Scientists observe rapid evolutionary changes in bacteria and viruses, leading to the emergence of complex ecological patterns. The study reveals nestedness and modularity as two prominent repeating patterns in bacterial-phage interactions.
Research identifies specific gut bacteria that increase risk of severe malaria in humans and mice, sparking new approaches targeting gut microbiota. The study's findings could lead to prevention strategies for severe malaria-related deaths.
Researchers discovered that lactate-producing intratumoral bacteria drives resistance to radiation therapy. Cancer cells respond to radiation by rewiring metabolic signaling pathways using lactic acid instead of glucose.
Researchers at University of Surrey have developed a new type of water-based paint that uses live bacteria to produce oxygen and capture CO2. The 'Green Living Paint' features Chroococcidiopsis cubana, a desert-dwelling bacterium that can survive extreme conditions.
Researchers have discovered a novel enzyme family related to bacterial pathogenicity in Gram-negative bacteria. The study revealed that enzymes involved in OPG synthesis and regulation play crucial roles in bacterial infection capability.
A new study confirms the presence of deadly Vibrio bacteria in Florida's coastal waters following Hurricane Ian. The research, led by University of Maryland senior author Rita Colwell, found high levels of pathogenic Vibrio parahaemolyticus and Vibrio vulnificus, particularly in oyster samples from Lee County.
Researchers developed a model demonstrating that chasing interactions can induce dynamical patterns in bacterial organization. The structure becomes visible on a higher level, without requiring adhesion or alignment.
A new study reveals the meadow spittlebug can feed on more than 1,300 plant species, making it a major vector for incurable plant diseases. The insect's unique ability to spread pathogenic bacteria poses a significant threat to global food security.
Researchers have identified viral components of the skin's microbiome that drive the development of innovative therapies for atopic dermatitis. Bacteriophages, or 'bacteria eaters', were found to help certain bacteria grow faster in AD patients, contributing to the overpopulation of the skin microbiome.
A study by Washington State University researchers found epigenetic alterations associated with elk treponeme-associated hoof disease, suggesting a systemic impact. The findings also suggest that the disease may be heritable, raising concerns about its transmission and susceptibility.
Researchers have genetically engineered Vibrio natriegens to produce enzymes that can break down polyethylene terephthalate (PET) in salt water. This breakthrough addresses the challenge of removing plastics from oceans and could lead to more sustainable solutions.
A new method, M3-seq, has been developed to study the gene expression patterns of individual bacteria with unprecedented detail. This approach enables researchers to identify rare bacterial populations and profile phage infection, shedding light on complex biological phenomena.
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.
A new study reveals that bacterial resistance to albicidin is caused by an increase in the number of copies of a specific gene, leading to up to a 1,000-fold increase in resistance. This discovery highlights the growing threat of antibiotic resistance and underscores the need for effective strategies to combat it.
Researchers have created a novel animal model to study the pathogenesis of neurobrucellosis, a severe complication of brucellosis. The model reveals that innate lymphoid cells and interferons play a crucial role in limiting brain damage during Brucella infection.
Researchers at ISTA use swimming bacteria to assemble materials, introducing a novel strategy for fabricating soft materials. The study demonstrates the potential sustainability benefits of harnessing energy from bacteria in material production.
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.
Researchers found that most microbial pairs fail to coexist, challenging the long-held hypothesis that every pair of microbes must also coexist in a bigger community. This study highlights the need for new predictive tools to engineer successful microbial communities, essential for biotechnology applications.
A novel stress signalling system has been discovered by SMART researchers, enabling bacteria cells to adapt and survive against the immune system and certain antibiotics. The breakthrough discovery of RlmN as a stress sensor may lead to the development of new therapies to combat antimicrobial resistance.
Researchers found a strong association between certain gut bacteria and coronary atherosclerotic plaques, which can lead to heart attacks. The study analyzed gut bacteria and cardiac imaging data from over 8,900 participants and identified Streptococcus species as key players.
Researchers identified 8 bacterial genera commonly associated with environmental sources, known as core microbiota, which persisted despite differences between kitchens. These microbes were linked to kitchen design and cleaning practices, suggesting potential for improved hygiene.
Researchers discovered that squash bug nymphs are attracted to the feces of adults of their own species, even in the dark or from a distance. This behavior is crucial for the bugs' survival as they need a healthy microbiome to grow and stay alive.
Researchers at Umea University discover new role for D-amino acids in stress-driven bacterial chemotaxis, revealing complex ecological systems and potential strategies to manipulate bacterial populations. D-Arginine plays a multifaceted role in shaping microbial communities and influencing niche selection.
Researchers found that vaginal microbiota seeding improved C-section babies' early development by colonizing their guts with maternal bacteria. This approach may reduce the risk of neurodevelopmental disorders like ADHD and intellectual disabilities.
Researchers from Penn Dental Medicine and UNC identify a key role for Selenomonas sputigena in causing tooth decay, particularly when partnered with Streptococcus mutans. The bacteria form protective biofilms that lead to acid production and cavity formation.
Researchers at the University of São Paulo identified a protein in Amblyomma ticks essential to their survival while feeding, making it a promising target for developing a vaccine. The study found that silencing gene expression of an inhibitor of apoptosis protein reduced bacterial proliferation and made ticks more resistant to infection.
A recent study found significant differences in the gut microbiome of female southern white rhinos that reproduced successfully versus those that did not. The researchers identified a particular genus of microbes that may be limiting reproductive success in captive breeding programs.