Articles tagged with Antibiotic Resistance
A new study surveyed 1,475 people on their attitudes towards antibiotic course length, finding that shorter courses are as effective and safer for pneumonia, but many people prefer longer courses due to misinformation. The study suggests more nuanced communication between doctors and patients is needed.
Researchers have identified a naturally occurring gut molecule that strengthens chickens' immune response against bacterial infections. The compound, sodium butyrate, reprograms chicken immune cells to fight diseases without causing inflammation.
Penn researchers have developed a mobile microbiology laboratory allowing them to test water quality and track antimicrobial resistance in and around San Cristóbal in the Galápagos. The team identified sites of untreated wastewater contamination, including 'hot spots' of pollution around Puerto Baquerizo Moreno.
Researchers at Stanford University have developed an AI-powered tool called Evo 2 that can design novel phages to kill bacteria, including E. coli. The tool has already synthesized nearly 300 new phages and identified 16 exceptionally effective ones.
A China-wide study reveals that hospital characteristics do not significantly shape nearby water resistomes, with geography and broader urban pollution being the main factors influencing antibiotic resistance gene patterns. Proper wastewater treatment can substantially reduce the environmental release of resistance genes from hospitals.
Scientists at the University of Exeter have discovered two new mechanisms for how a well-established antibiotic works, which could lead to potential development of new antibiotic treatment. The study found that doxycycline targets the bacterial ribosome by blocking protein exit channels or reconfiguring it into an inactive state.
New research suggests that tire microplastics can create environmental hotspots that facilitate the persistence, transfer, and spread of antibiotic resistance genes through cities. The microplastics can develop dense microbial biofilms, release chemicals that select for resistant bacteria, and contribute to oxidative stress.
A new study reveals that industrial poultry farming has led to a 100-fold increase in Campylobacter movement, allowing strains to mix extensively in commercial poultry populations. This has resulted in more than 3.5 times as many gastroenteritis cases in the UK each year compared to other foodborne bacteria.
A €15 million EU-funded trial will investigate phage therapy as an alternative to antibiotics for recurrent urinary tract infections. Researchers from 13 countries, including Hebrew University and Hadassah Medical Center, will evaluate personalized bacteriophage therapy to treat antibiotic-resistant E. coli infections.
A study analyzing Chinese and global soil metagenomes found substantial declines in antimicrobial resistance genes after China implemented its AMR control plan. The research suggests a close association between soil resistomes and antimicrobial use patterns across human and animal sectors.
A new global database has been developed to map pathogens and antibiotic resistance risks in coastal waters, providing a practical tool for assessing biological risks. The Coastal Water Pathogen Database integrates shotgun metagenomic sequencing data from six coastal regions across three continents.
Researchers develop novel extracellular vesicle platform that makes bacteria more susceptible to polymyxins, enabling lower and safer treatment doses. The platform was shown to enhance bacterial killing and cause minimal toxicity in murine models.
Researchers at the University of Washington School of Medicine discovered that environmental bacteria can acquire and transfer antibiotic resistance genes to disease-causing bacteria in human lungs. This mechanism, previously unknown, could lead to rapid development of extreme antibiotic resistance. The study highlights the potential f...
Researchers have developed a new approach to combat superbugs by partnering existing antibiotics with molecular compounds called adjuvants. Using this method, they successfully restored the activity of vancomycin against drug-resistant E. faecium, a potentially life-threatening infection.
Researchers at St. Jude Children's Research Hospital discovered an RNA-based survival strategy that enables bacteria to tolerate antibiotics. The findings provide new insights into how persistent infections develop and could inform strategies to improve antibiotic effectiveness. Antibiotic tolerance allows bacteria to survive treatment...
A global monitoring platform reveals that antimicrobial resistance in children is rising, driven largely by Gram-negative bacteria. The platform forecasts that last-line carbapenem antibiotics will be highly resistant to these pathogens by 2035, posing a significant threat to children's health.
Researchers explored how AI and metabolic modeling can inform effective biocontrol strategies to combat antimicrobial resistance in built environments. Microbial biocontrol using 'good' microbes has shown promise, but inconsistent outcomes are due to various factors, including genetic differences and environmental stressors.
A study by Boston University researchers found that CARB-X-backed projects are nearly five times more likely to advance to clinical trials, while nonfunded projects had less than a quarter advancing. The nonprofit's support led to the award of 160 patents and increased odds of life-saving products reaching patients.
The DZIF-supported project PROTON aims to develop innovative agents against Staphylococcus aureus, a bacterial pathogen responsible for severe lung infections. The active agent, a pathoblocker, targets the toxin that destroys lung tissue and immune cells, reducing antibiotic resistance.
Researchers propose a three-part evolutionary framework for using bacteriophages to control antimicrobial resistance. The phage-host evolutionary triad suggests that phages can sometimes stabilize resistant bacteria instead of eliminating them, depending on environmental factors.
Researchers uncovered the genetic history of Acinetobacter baumannii, tracing its evolution over decades to identify key resistance traits and global spread. The study provides valuable insights for guiding policies on antibiotic use and combating this serious healthcare threat.
Scientists at Scripps Research have found that disabling a specific bacterial enzyme called SagA can restore the effect of vancomycin against resistant bacteria, making them treatable without needing a new antibiotic. This approach targets basic aspects of bacterial physiology and could overcome antibiotic resistance.
A new study uses AI to identify promising chemical compounds that could develop into effective antibiotics against multi-drug resistant Neisseria gonorrhoeae. The approach has the potential to address the growing crisis of antimicrobial resistance in this fast-evolving pathogen.
Researchers at the University of Notre Dame have discovered a key process for how gram-negative bacteria attach their outer membrane to the cell wall. The study found that protein PA2854 performs a chemical reaction linking the outer membrane to the cell wall, a crucial step in maintaining the bacterium's health.
A new study forecasts global antimicrobial resistance threats for the next two decades, identifying 210 traits that could pose the greatest future risk. The research uses machine learning and forecasting to predict which genetic factors will become more prevalent and which may decline over time.
Scientists discovered a new antibiotic called manikomycin that binds to the ribosome, halting protein synthesis and blocking an important molecule from exiting. This action makes it harder for bacteria to develop resistance, as they need to jump through hoops to find resistance.
A study analyzing nearly 2,000 human infections with Shiga-producing E. coli found increasing resistance to antibiotics, particularly for tetracycline and sulfisoxazole. The researchers propose a 'One Health' approach to address the issue, focusing on antibiotic stewardship in agriculture, food safety, and environmental controls.
A modified culture medium can quickly and affordably detect fidaxomicin resistance in C. difficile infections, saving 201 hours of work and $9,075 per 1,000 patients screened. The new method correctly identifies resistant isolates with 100% sensitivity.
A new study found that sewage overflows in homes can introduce antibiotic-resistant and multidrug-resistant bacteria, making infections difficult to treat. The research collected samples from 86 Maryland homes and found nearly half had E. enterococci present, with over a third harboring antibiotic-resistant strains.
The center will develop new phage-based treatments for antibiotic-resistant bacterial infections, predicting which phage to use for which patient and designing more effective phages. The goal is to generate unprecedented data and train AI models to identify the right phage for any patient's infection.
Researchers highlight the promise of using human monoclonal antibodies to treat patients more effectively and tackle antimicrobial resistance. mAbs can be designed to target only the disease-causing bacteria, thereby protecting the microbiome.
Europe's bacterial STI cases reached record highs in 2024, driven by gonorrhoea and syphilis, with men who have sex with men disproportionately affected. The near doubling of congenital syphilis cases highlights the need for improved antenatal screening protocols to prevent transmission to newborns.
Researchers at Umeå University have developed new compounds that disrupt bacterial cell membranes and kill dormant cells, offering a promising alternative to existing antibiotics. The discovery is particularly effective against persister cells, which can survive antibiotic treatment and cause relapse of infections.
Plastic pollution accelerates antibiotic resistance through chemical drivers in PVC pipes. Leachates from exposed PVC increased bacterial conjugation by up to 44.6 times, boosting resistance gene transfer and altering energy metabolism.
The CCRE survey provides the most comprehensive genomic picture to date of carbapenem- and/or colistin-resistant Enterobacterales across European hospitals. The results reveal heterogeneous yet increasingly concerning epidemiological patterns, suggesting a high risk that carbapenem-resistant E. coli could become endemic in Europe.
Researchers developed ApexGO, an AI-powered method to turn weak antibiotic candidates into more potent ones. The tool uses generative AI and Bayesian optimization to guide molecular tweaks, predicting which changes are likely to increase antimicrobial activity.
Researchers engineer bacterial vesicles into multifunctional tools that can kill pathogens, boost vaccines, and deliver targeted therapies. Engineered BEVs address key limitations of existing therapies, including improving vaccine responses and antibiotic delivery.
Researchers used AI to design new molecules for disinfectants, leveraging a dataset of hundreds of existing quaternary ammonium compounds. The approach yielded 11 promising compounds with activity against antimicrobial-resistant bacteria, offering a potential solution to the growing threat of 'superbugs'.
A recent study found that cranberry juice enhanced the antibiotic activity of fosfomycin against 72% of uropathogenic E. coli strains, while suppressing resistance-related mutations. The findings suggest that natural compounds in cranberry juice may be a useful frontier in fighting antibiotic resistance.
The article warns that AI's rapid integration may stifle scientific creativity and innovation, diverting resources away from solving fundamental problems. Dr. Shim argues for preserving human-centered pathways for knowledge generation to ensure diverse thought necessary for breakthroughs.
Researchers have developed a universal toolkit for editing bacterial DNA in 15 diverse species, including human pathogens and fast-growing biotechnology organisms. The technology uses retrons, an immune system that produces DNA, to efficiently modify genes, with varying success rates across different species.
A new study reveals that bacteria can actively limit the spread of antibiotic resistance genes by deploying molecular gatekeepers called YokF. This mechanism blocks the transfer of beneficial genes, giving microbes a competitive advantage in dense microbial communities.
A recent study found that antibiotic-resistant bacteria are present in the gut microbiomes of American black bears in eastern North Carolina. The researchers also discovered that these pathogens can be dispersed through bear feces, making the bears a potential indicator species for environmental changes.
New findings render antibiotic-resistant bacteria vulnerable by disabling individual resistance and cross-protection. This approach offers new possibilities for treating resistant infections associated with cystic fibrosis and may inform the treatment of a broad range of antibiotic-resistant infections.
A major multi-country study found that WHO-recommended first-line antibiotics for neonatal sepsis are effective in only one quarter of infections in low- and middle-income countries. High levels of antimicrobial resistance were observed, making it challenging to identify consistently effective empirical antibiotic regimens.
A study analyzing meconium samples from newborns found high prevalence of antibiotic resistance genes, including those linked to carbapenem resistance. The findings suggest that maternal transmissions and early hospital exposure contribute to the establishment of these genes in the neonatal gut.
Researchers discovered highly antibiotic-resistant bacteria in wildlife samples, including foxes and birds, indicating potential early warning system for AMR spread. The study highlights the need for environmental interventions to prevent resistance from reaching clinical settings.
The Microbiology Society's Annual Conference 2026 will bring together researchers from around the world to discuss antimicrobial resistance and its impact on global health. The conference will explore ways to slow the spread of superbugs through scientific research, policy, and international collaboration.
Researchers discovered that mutations in a key protein make yeast found in dogs with common outer ear infections more resistant to topical antifungals. The team recommends using shorter-tailed azoles as initial therapy for dogs with yeast ear infections, reserving longer-tailed azoles for recurrent or non-responsive cases.
A Northwestern University study finds that disinfectants like chlorhexidine linger on surfaces for longer than previously known, allowing microbes to build tolerance. Chlorhexidine-tolerant bacteria were also detected spreading through touch and airborne dust across hospital rooms.
Researchers have identified phage W5 as a safe and effective natural virus capable of eliminating harmful Salmonella on various foods and packaging materials. The study establishes a solid foundation for developing novel phage-based disinfectants or preservatives to combat antibiotic resistance and enhance food safety.
Scientists have found evidence that glyphosate, a widely used weedkiller, can select for drug-resistant bacteria that can thrive in agricultural areas and then spread to hospitals. The study revealed that bacterial strains from hospital infections with extreme drug resistance showed high resistance to glyphosate and its byproducts.
The European Region is struggling to detect and treat tuberculosis, with 1 in 5 cases going undiagnosed or unreported. Drug-resistant strains are also a major concern, with the region accounting for a disproportionate share of global cases.
Using azithromycin within one day triggers antibiotic resistance in the respiratory tract, according to a study published in Nature Microbiology. The researchers followed hospitalized COVID-19 patients and found that azithromycin changed the mix of microbes in the upper airway, leading to persistent changes for more than a week.
Research shows that bacteria harbor resistance genes may respond differently to antibiotics under non-standard conditions. This affects treatment efficacy and contributes to understanding antimicrobial resistance development and spread. Understanding these variations is crucial to combat global public health threats.
A University of Sydney-led study found that honey made from mixed floral sources has superior performance against bacteria, with high levels of bioactive compounds. The findings could help develop new treatments for drug-resistant infections while supporting bushfire recovery and sustainable beekeeping practices.
Researchers design nanoagents to carry antibiotics deep into bacterial infections, releasing them upon gentle ultrasound activation. This approach reduces antibiotic resistance and improves treatment of biofilm-related infections.
A growing body of research suggests that microplastics in soils can alter microbial genes controlling essential ecosystem functions, potentially affecting food production, climate processes, and environmental health. Microplastics also enhance the spread of antibiotic resistance genes in soil ecosystems.
Researchers at Sultan Qaboos University have identified three novel antimicrobial peptides from dromedary camels that effectively target multidrug-resistant bacteria. The peptides, CdPG-3 and CdCATH, demonstrate strong antibacterial activity across Gram-positive and Gram-negative bacteria.
The study provides detailed information on NrdR, a master regulator of ribonucleotide reductases in bacteria. It reveals how NrdR senses nucleotide levels and controls RNR expression, providing a new strategic entry point for antimicrobial development.