Articles tagged with Antibiotics
A new study from Ben-Gurion University of the Negev found that long-term Salmonella infections severely damage blood stem cells. However, researchers discovered that giving an effective course of antibiotics fully restores the stem cells' health and rebuilds their power.
Researchers at Texas A&M University develop a laser technique called TRIP to directly measure quantum forces shaping proteins, enabling accurate prediction of how pharmaceutical drugs interact with them. This breakthrough could lead to the design of medicines tailored to specific diseases, revolutionizing precision medicine.
Researchers at McMaster University discovered a 'megacluster' of genes in Streptomyces bacteria that produces four antibiotics working together to target biotin. The study found that the anti-biotin antibiotic megacluster is widespread across different species, suggesting it evolved long ago and has been conserved over millions of years.
A comprehensive review examines global trends in antimicrobial resistance in animal eye infections, warning that multidrug-resistant bacteria are becoming more common. The authors call for earlier diagnostic testing, targeted antibiotic use, and stronger infection-control measures to preserve treatment options.
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 recent study by University of Gothenburg researchers found that antibiotics for uncomplicated acute sore throats have minimal preventive effect against serious streptococcal infections. Early recognition of warning signs is crucial, and a vaccine is being awaited as a long-term solution.
Researchers have discovered a new antibiotic called manikomycin that targets the ribosome's exit site, making it effective against priority pathogens like Salmonella and E. coli. The discovery builds on work over 75 years ago, using an advanced laboratory technique to uncover a new compound.
Researchers discovered that a common rifampicin-resistance mutation in tuberculosis creates subtle metabolic weaknesses, which could be exploited with future combination therapies. The most common mutation slows bacterial RNA polymerase, creating vulnerabilities that other therapies may target.
Researchers at King's College London have developed a new approach called 'Efflux Resistance Breaker' (ERB), designed to overcome one way bacteria escape antibiotic treatment. This allows antibiotics to remain inside bacterial cells at higher concentrations, restoring their ability to kill bacteria even with resistance mechanisms present.
A study led by University of Arizona researchers found that azithromycin did not improve symptoms in preschool children with severe wheezing. The trial results challenge the idea that certain types of bacteria contribute to wheezing and asthma, suggesting that viral infections play a more significant role.
Researchers develop hemoglobin-based nanoparticles to deliver tigecycline directly to Klebsiella pneumoniae infection sites, improving survival rates and reducing bacterial burden. The novel strategy overcomes dose-limiting toxicity and enhances pharmacokinetics of the antibiotic.
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 identified how Mycobacterium abscessus evades treatment and proposed a strategy to overcome resistance, offering a pathway towards more effective treatments. A combination therapy targeting both smooth and rough variants proved more effective than single-phage treatment.
A naturally occurring fatty acid called geranylgeranoic acid (GGA) has been discovered to disrupt the ability of MRSA bacteria to stick to human molecules and detect their environment, making it harder for them to cause disease. Researchers tested GGA in mice and found it prevented skin lesions and reduced infection severity.
The study reveals critical gaps in Brazil's veterinary antimicrobial stewardship, compared to the UK and Netherlands' comprehensive monitoring systems. Brazil's fragmented approach makes it difficult to detect trends and respond to emerging resistance threats.
A nationwide Swedish study of 27,789 individuals with confirmed celiac disease found no link between antibiotic use and increased risk of developing the autoimmune disorder. The study also revealed a higher proportion of prior antibiotics used among those with normal mucosa, suggesting other factors may contribute to its development.
A new study found that children with three or more complex chronic conditions had the highest annual prescription rates and frequent use of broad-spectrum antibiotics. This highlights the need for targeted antibiotic stewardship efforts in this vulnerable population.
Researchers found distinct gut microbiome characteristics that predicted treatment response to the low FODMAP diet and rifaximin. Patients who responded to these treatments had different microbial signatures, with increases in diversity for those on the low FODMAP diet and resilience against antibiotics for those on rifaximin.
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.
For eligible patients with community-acquired pneumonia, shorter treatment durations may be as safe and effective as traditional longer regimens. The study found no meaningful differences in mortality, readmissions, or C. difficile infections among patients who received three to four days of antibiotics.
A team of chemists has found a simple way to attach the highly sought-after dichloromethyl group onto complex compounds using proline. This method enables the precise assembly of molecules with unparalleled purity and selectivity, simplifying the synthesis of complex drug compounds.
A study published in BMC Public Health found an association between antibiotic use and maternal mental health during pregnancy. Researchers analyzed data from over 94,000 pregnant women and discovered a stepwise pattern of psychological distress linked to increasing antibiotic exposure. The findings suggest that avoiding unnecessary an...
Researchers developed a novel composite material that combines biochar, carbon nanotubes, and iron carbide, significantly accelerating the breakdown of antibiotics in water. The system achieved up to 15 times higher removal rates compared to conventional materials, while requiring substantially less energy.
A new study suggests that Neanderthals used birch tar not only as an adhesive but also to treat wounds, showing effective antimicrobial properties against S. aureus bacteria. The research findings are relevant in light of the global rise in bacterial resistance to antibiotics.
Researchers have developed a low-cost fake drug detector that uses an infrared sensor to track pill dissolution rates. The device can identify legitimate medications from counterfeit ones with high accuracy, making it a valuable tool in the fight against global health threats.
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.
A new study found that antibiotics can alter the gut microbiome for up to four to eight years after treatment, with certain types of antibiotics having a stronger impact. The study analyzed data from 14,979 adults and found links between antibiotic use and changes in gut microbiome composition, including diversity of bacterial species.
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.
Researchers have discovered plant defense strategies against antibiotic stress, including chloroplast-centered adaptation and microbiome coordination. Plants accumulate antibiotics in roots, activate detoxification enzymes, and restructure endophytic bacterial communities to counter stress. These findings suggest plants as bioremediati...
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.
Researchers introduce Fe₃O₄@mPEG-Ag nanoparticles as a non-antibiotic strategy to combat drug-resistant bacteria. The novel nanomaterial demonstrates strong antibacterial activity against clinically relevant multidrug-resistant strains.
A digital clinical decision support algorithm substantially reduced antibiotic prescribing in pediatric outpatient care in Rwanda, according to a non-randomized controlled trial. The study found no compromise in clinical recovery, suggesting the algorithm's effectiveness in guiding appropriate treatment.
A team of scientists at the University of Sydney has discovered how three naturally occurring antibiotic compounds disrupt the ClpC1–ClpP1P2 complex, a vital protein degradation machine in Mycobacterium tuberculosis. This finding uncovers surprising complexity and provides valuable insight into designing more effective anti-TB treatments.
A new study reveals that biochar's ability to remove antibiotics from water depends on their molecular structure. The research found that subtle structural differences among tetracycline antibiotics influence their adsorption onto rice straw biochar, with some antibiotics binding more quickly than others.
A novel vaccination approach cleared harmful gut bacterium Clostridioides difficile (C. diff) in an animal model of infection. The experimental vaccine protected against illness, death, tissue damage and infection recurrence through mucosal immunization.
Researchers discovered a 5,000-year-old bacterial strain in an underground ice cave that shows resistance to multiple modern antibiotics. The Psychrobacter SC65A.3 strain has over 100 resistance-related genes and can inhibit the growth of several major antibiotic-resistant superbugs.
A one- and three-month antibiotic treatment regimens both had few adverse reactions and high rates of completion in preventing active tuberculosis, says a new study published in PLOS Medicine. The regimens were deemed successful and neither proved superior to the other.
Phyton Biotech has successfully transferred the manufacturing process for Corallopyronin A (CorA), a novel anti-infective agent with potent activity against filarial infections and bacterial infections. The technology transfer marks an important milestone in the Company's specialty GMP fermentation capabilities.
A meta-analysis of childhood food allergy risk factors reveals a combination of major and minor factors, including genetics and antibiotic exposure. The study provides insights into the complex interplay of these factors in the development of food allergies in infants and children.
The Ann Arbor Guide provides two algorithms for triaging adults with suspected UTIs, one for non-pregnant women and the other for men. It also emphasizes the importance of accurate testing and treatment to prevent overuse of antibiotics and antibiotic resistance.
Researchers support using antibiotics for uncomplicated acute appendicitis due to low recurrence rates at 10-year follow-up. The treatment option is recommended for adult patients, reducing the need for future surgery.
Researchers discovered that Paenibacillus produces lariocidin, a powerful antibiotic, but the bacteria avoid its effects due to an enzyme called lrcE. This enzyme modifies lariocidin, preventing it from binding to the bacterial ribosomal RNA and protecting the producer.
Researchers discovered that protein intelectin-2 has broad-spectrum antimicrobial activity against bacteria in the GI tract. It strengthens the mucus barrier and can directly neutralize or restrain bacteria, making it a potential therapeutic agent.
The study highlights the multifunctional natural substitute for antibiotics in swine production, demonstrating broad antimicrobial, antioxidant, anti-inflammatory, and immune-regulating effects. Dietary supplementation improves intestinal barrier integrity, increases growth metrics, and reduces fecal E. coli.
Researchers developed a new method to measure how effectively antibiotics kill bacteria, crucial for treating complex infections. The 'antimicrobial single-cell testing' method predicts treatment success by observing individual bacteria under different conditions.
Certain microbes can act as community protectors by breaking down antibiotics and stabilizing entire microbial ecosystems. Antibiotic degraders create safer microenvironments, allowing sensitive microbes to survive.
The new clinical standards for antimicrobial stewardship in tuberculosis care aim to integrate TB into existing AMS frameworks, strengthening surveillance and resistance monitoring. The standards prioritize effectiveness, safety, and resistance prevention, promoting structured expert consultation services and targeted testing.
The study will select the exact phage that is appropriate for each patient's bacteria, and aims to reduce antibiotic use and healthcare costs. Bacteriophages have been shown to be effective against resistant bacteria causing urinary tract infections.
A study published in the International Journal of Infectious Diseases found that delafloxacin inhibits Legionella replication more effectively than levofloxacin. The antibiotic demonstrates promising intracellular activity, which could support further clinical investigation as a potential treatment for Legionnaires' disease.
A team of researchers has identified two proteins critical to the destruction of red blood cells by the Oroya fever pathogen. This discovery paves the way for a potential novel therapy against this deadly neglected tropical disease.
Researchers at HIPS have fully elucidated the biosynthetic pathway of biphenomycins, a potent antibiotic family against Gram-positive pathogens. They can now produce sufficient quantities and create new variants with improved pharmaceutical properties to combat drug-resistant S. aureus infections.
A new single-dose oral medication called zoliflodacin shows promise as a treatment for antibiotic-resistant gonorrhoea, with over 90% of infections cured at genital sites. The medication is well-tolerated and has the potential to improve global efforts to control drug-resistant gonorrhea infections.
A new seaweed-based carbon catalyst has been developed that can rapidly break down antibiotic norfloxacin in water without using toxic metals or sulfur chemicals. The catalyst, made from kappa carrageenan and doped with nitrogen and sulfur, shows high specific surface area and degrades antibiotics through non-radical pathways.
A study found that lung microbiomes play a significant role in pneumonia, with patients having oral-like pneumotypes more likely to recover. The researchers identified four distinct microbial patterns, or 'pneumotypes,' associated with different types of pneumonia.
Researchers at Martin Luther University Halle-Wittenberg have developed a promising new substance that inhibits the ability of tuberculosis bacteria to produce energy and causes them to die. The compound, PRP020, targets the pathogen's ATP synthase but attacks a different site than existing drugs like bedaquiline.
Researchers found that plant phenolic acids can dramatically boost the activity of existing antibiotics against multidrug resistant E. coli, reducing the chance of new resistance emerging. The compounds also make it easier for antibiotics to enter and stay inside bacterial cells.
Researchers discovered that antibiotics can induce the production of pro-inflammatory compounds in the gut microbiome, which stimulates the immune system and induces antimicrobial peptides. This finding could lead to new therapeutic properties for these compounds in restructing the gut microbiome.
Researchers at HIPS and Helmholtz Centre for Infection Research discovered that tolcapone interacts with LecA protein, a key component of Pseudomonas aeruginosa. The study identified several derivatives that inhibit LecA significantly more strongly than tolcapone.
A study reveals that competition for biotin, a vital vitamin, drives interactions between harmful Staphylococcus aureus and harmless commensal bacteria. This resource scarcity could lead to new strategies for fighting multi-resistant germs.