Articles tagged with Bacteria
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.
A novel antibody constant region variant (REW) extends plasma half-life and improves biodistribution, allowing for both invasive and non-invasive delivery. The REW technology also enhances the complement system, providing enhanced ability to kill cancer cells and bacteria.
Researchers at the Complexity Science Hub have isolated and genotyped Leptospira bacteria from Austrian cattle, revealing a widespread and adaptable strain that poses a public health risk. The study's findings highlight the need for improved diagnostic tests and biosecurity measures to prevent infection on farms.
Scientists discovered that bacteria form partnerships between different defence systems to create a formidable force against phage viruses. This discovery could lead to new strategies for combating antimicrobial resistance and developing phage therapy as an alternative to antibiotics.
Researchers from Osaka University found that gargling with an antiseptic mouthwash can reduce periodontitis-related bacteria in patients with type 2 diabetes. This simple method may improve the lives of people with periodontitis-linked diseases such as diabetes, dementia, and cardiovascular disease.
Researchers have developed a new search tool, microbeMASST, to study microbial metabolism, which could transform our understanding of human health and the environment. The tool instantly matches microbes to their metabolic signatures without prior knowledge.
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.
Researchers at McMaster University have discovered a molecular barcode system used by disease-causing bacteria to distinguish between beneficial and toxic molecules. This discovery sheds light on the mechanisms underlying bacterial pathogenicity, allowing for potential biotechnology applications to combat infectious diseases like tuber...
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 have discovered that natural antimicrobial predatory bacteria, Bdellovibrio bacterivorous, produce fibre-like proteins on their surface to ensnare prey. This breakthrough enables scientists to use these predators to target and kill problematic bacteria in healthcare, food spoilage, and the environment.
A new study using Raman spectroscopy has identified Pseudomonas bacteria from turtle skin in just 5-30 minutes, offering a faster alternative to traditional methods. The technique provides detailed information about bacterial chemical structure and holds great potential for future research on other microorganisms.
A study published in Molecular Cell describes how bacteria build a form of ubiquitin that helps cells communicate. The research sheds light on how different enzymes impact this protein during infection, providing an important first step towards understanding its role in diseases like Parkinson's and breast cancer.
Researchers discovered that short- and long-range weapons perform differently depending on the competition scenario, with long-range toxins becoming effective at high density and low initial numbers of competing bacteria. This study could help engineer beneficial microorganisms to out-compete pathogenic strains.
The study analyzed 170 known bacterial languages, grouping them into clusters based on molecular structure. Bacteria can understand related languages, but not those with vastly different languages. This understanding will aid in refining treatment approaches and developing biotechnology applications.
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 found that Wolbachia pientis infection restores fruit fly fertility, enabling them to produce more offspring than uninfected flies. This discovery has significant implications for controlling insect populations and range, potentially increasing mosquito populations that do not carry human diseases.
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.
A study found that Acinetobacter baumannii and Candida auris were common among patients receiving mechanical ventilation, particularly in long-term care facilities. These pathogens pose a significant risk to this vulnerable population, highlighting the need for targeted surveillance and prevention efforts.
Researchers identified PUCH, a novel enzyme that produces small molecules called piRNAs to detect and prevent parasitic DNA from replicating in our genomes. This discovery sheds light on how our immune system works and may have implications for understanding innate immunity.
A team of scientists has discovered a second toxin produced by the cyanobacterium Aetokthonos hydrillicola, which is highly toxic and similar to substances used in cancer treatment. The findings could lead to the development of new anti-cancer drugs.
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.
Australian researchers analyzed over 1,300 Golden staph strains, linking specific genes to antibiotic resistance and the bacteria's ability to linger in the bloodstream. The study highlights the diagnostic power of integrating clinical and genomic data to develop targeted solutions for deadly superbug infections.
Researchers found a common bacterial signature associated with the development of eczema, asthma, food allergy, and hay fever in children. The study suggests that early life influences on gut microbiota may play a key role in the development of these allergies.
Researchers discovered a unique optical signature in magnetic beads, which can be used to detect pathogens like Salmonella. This technique enables quick detection within less than an hour, potentially revolutionizing food and water testing.
A new reference database, Greengenes2, allows researchers to combine 16S and shotgun sequencing data, improving the reproducibility of microbiome studies. This enables the reuse of millions of samples in older studies, strengthening physicians' ability to draw clinical conclusions.
Researchers investigate how bacteria modify host RNA using effector proteins to ensure their survival, a process previously unknown in eukaryotes. The team aims to decipher the mechanisms behind this process and its benefits for the bacteria.
A new study suggests that bacterial testing in children with sinusitis could greatly reduce unnecessary antibiotic use. By identifying which children are likely to benefit from antibiotics, doctors can avoid prescribing medications to those who wouldn't see improvement in symptoms.
Researchers developed modular optical sensors capable of detecting viruses and bacteria using fluorescent carbon nanotubes with DNA anchors. The sensors showed high reliability and selectivity in detecting SARS-CoV-2 protein, offering advantages for complex environments and future diagnostic applications.
Researchers discovered a central regulator, DipM, controlling multiple autolysins and promoting cell constriction in Caulobacter crescentus. The study reveals DipM's role in coordinating bacterial cell wall remodeling and division processes.
Research reveals that asymptomatic throat carriage of Streptococcus pyogenes is the primary source of Group A Streptococcus (GAS) infections in high-risk communities. This discovery challenges previous understanding of GAS transmission and has significant implications for public health approaches, vaccine development, and future research.
Researchers found that antimicrobial resistance emerges from selection for pre-existing resistant clones, not new mutations. Infections with multiple pathogen clones show increased resistance to antibiotics, but also potential for faster loss of resistance when no antibiotics are present.
Researchers analyzed dairy cows' uterine microbiota and found significant associations with fertility, including a correlation between microbial diversity and AI frequency. The study suggests that farm-to-farm variations in microbiota can impact fertility, paving the way for new diagnostic approaches to low fertility in dairy farms.
Researchers found that a diet high in soybean oil decreases beneficial bacteria and increases harmful bacteria, leading to increased inflammation and susceptibility to colitis. Olive oil, with lower amounts of linoleic acid, is considered a healthier alternative.
Researchers found that disordered organization of proteins boosts energy transfer efficiency, allowing nearly every photon to generate an electron. This finding could lead to better understanding of photosynthesis and potential applications in artificial systems.
A team of researchers led by Dr. William Gilhooly III found that viruses are infecting sulfur bacteria, altering their genetic code and influencing their behavior in oxygen-deficient lakes. This discovery opens up new avenues for understanding the impact of viral infections on bacterial ecosystems.
Researchers found that an iron-rich diet can prevent deadly symptoms in mice during active infection, while a functional adaptive immune system is required for immunity against future infections. The study paves the way for the development of new vaccines that could promote immunity for those with diarrheal diseases.
A recent study published in JAMA found that continuous meropenem administration did not improve mortality rates or reduce the emergence of drug-resistant bacteria in critically ill patients with sepsis. The results suggest that intermittent administration may be a more effective treatment strategy for this condition.
A new paper argues that biological materials are defined by the water that permeates them, creating a class of 'hydration solids' with unique properties. The research resolves long-standing mysteries and predicts exciting phenomena in materials.
Bacteria have found a way to survive stressful environments by producing microscopic syringes called Streptomyces phage tail-like particles (SLPs) that are located inside the cell. These SLPs interact with cellular systems involved in cell wall synthesis and protein translation, providing resistance against osmotic stress.
A team from the University of Tsukuba has discovered characteristics of proteins in bacteria that convey antibiotic resistance, providing insights into their function and role. These proteins, known as ARE-ABCFs, work in synergy with other resistance mechanisms to convey extremely high levels of antibiotic resistance.
A new method called 5PSeq has been developed to quickly assess bacterial response to antibiotics, with potential implications for treating antibiotic-resistant infections. The method measures mRNA translation and decay, revealing how bacteria interact with environmental factors and stressors.
A UNLV study found a significant correlation between 10 specific types of gut bacteria and the likelihood of developing Alzheimer's disease, with certain bacteria identified as protective or risk factors. The findings suggest that an imbalance of gut microbiota may play a role in the disorder's development.
Researchers have identified microorganisms in the Alpine and Arctic regions capable of degrading biodegradable plastics at 15°C, including polyethylene, polyester-polyurethane, and polybutylene adipate terephthalate. The discovery could reduce costs and environmental burden associated with enzymatic recycling processes.
Researchers have identified three types of bacteria associated with natural purple photosynthetic bacteria that show strong anticancer efficacy. The bacteria can thrive in hypoxic tumor environments and trigger the immune system to kill tumor cells.
A low-cost antibacterial regimen can prevent acute radiation dermatitis, a common skin problem affecting up to 95% of radiation therapy patients. The treatment involves using chlorhexidine and mupirocin nasal ointment twice daily, with no adverse effects or severe cases reported.
A research team from Université Laval and Université Clermont Auvergne has shown that clouds harbor antibiotic resistance genes of bacterial origin. The concentrations vary widely, ranging from 330 to over 30,000 bacteria per milliliter of cloud water.
Researchers discovered a protein involved in membrane remodeling in cyanobacteria, structurally similar to eukaryotic membrane proteins, suggesting it may be the oldest known bacterial ancestor. The protein, SynDLP, was found to have structural properties that match those of eukaryotic dynamin.
A new study reveals that different species of bacteria colonize specific areas on diatoms, reflecting their metabolic properties. The findings provide insight into the complex interactions between algae and bacteria in marine environments.
Researchers found that probiotic bacteria Lactobacillus reuteri stimulates cancer-killing T cells by secreting indole-3-aldehyde, which activates a receptor in CD8 cells. A diet rich in tryptophan enhances the effect of immunotherapy on shrinking tumors and prolonging survival.
An international research team analyzed over 400 Omnitrophota genomes, uncovering details about their biology and behavior. The study found that Omnitrophota are hyperactive with high metabolic rates, possibly as predators or parasites of other microorganisms.
Scientists create modified E. coli bacteria that cannot be infected by viruses while minimizing gene escape into the wild. This breakthrough technology has implications for reducing viral contamination in biotechnology production, such as insulin production and biofuel manufacturing.
Researchers aim to optimize food bacterial detection using fluorescence detection, reducing detection time and improving sensitivity. The goal is to prevent spread of foodborne pathogens and provide a safe food supply.
The article analyzes digital microfluidics' (DMF) benefits for bacterial protocols, highlighting its versatility and potential applications in synthetic biology and diagnostics. DMF's electrostatic forces manipulate microdroplets on a plate, enabling sample preparation and nucleic acid detection.
A new Legionella species, Legionella bononiensis, has been identified in a hotel facility in northern Italy. The discovery was made by researchers from the University of Bologna using genetic sequencing and mass spectroscopy techniques.
Researchers developed a mathematical model of bacterial movement that includes cell division and death. The model predicts bacteria can form colonies through travelling waves of concentrated 'packages' of bacteria.
A new study suggests that an orbiting space probe could provide definitive answers about the presence of life on Enceladus' ocean. The team mapped out how a hypothetical mission could gather data from the moon's plumes, which are thought to contain organic molecules and methane.
Researchers have created a deep red, antimicrobial lipstick using cranberry extract, which inactivates viruses, bacteria, and fungi within minutes. The novel formula could provide protection against a range of disease-causing microorganisms.
Researchers developed a new way to study the sensory system used by pathogenic bacteria to infect humans. They screened thousands of peptides against a bacterial sensor and discovered 13 new human antimicrobial peptides (AMPs) that activate the sensor. The findings suggest an arms race between humans and bacteria, with each evolving ne...
Researchers developed magnetic microrobots that can bind and isolate S. aureus from milk, improving dairy safety. The 'MagRobots' use antibodies to target the bacteria, allowing for efficient pathogen isolation while preserving naturally occurring microbes.