Articles tagged with Antibiotics
Researchers at Ruhr-Universität Bochum have identified a small RNA molecule that significantly affects antibiotic resistance in soil bacteria. Without this molecule, the bacteria are more sensitive to penicillins and produce less of the enzyme degrading these antibiotics.
Researchers found that antibiotic prophylaxis regimens are less effective at preventing surgical site infections following colorectal surgery. The efficacy of antibiotic prophylaxis has remained unchanged for other procedures like appendectomy and cesarean section.
A survey of 2,537 US adults found that roughly half believe the average person faces a serious health risk from food additives over their lifetime. Similarly, about half think genetically modified foods are worse for one's health. Women and those with low science knowledge tend to express more concern about these issues.
Thanatin, a natural insect antibiotic, eliminates bacteria by preventing the formation of their outer protective shield. This unprecedented mechanism offers a new way to develop effective antibiotics against dangerous pathogens like Pseudomonas aeruginosa and Escherichia coli.
A team of researchers from the University of Bristol has identified a key component of the antibiotic binding mechanism of VIM proteins, which protects bacteria from beta-lactam antibiotics. This discovery provides insights into how antibiotics can be designed to block the activity of these resistance mechanisms.
A study by Stanford University researchers found that surgery remains the best treatment option for appendicitis, despite being more expensive upfront. Patients treated with antibiotics alone had higher rates of hospital readmissions and abdominal abscesses, highlighting the risks of this alternative approach.
A new system, CAMR-R, can measure antimicrobial resistant phenotypes at single-cell resolution from clinical samples in three hours without cell propagation. The instrument uses D2O-feeding Raman Microspectroscopy to quantify AMR levels and has potential applications in diagnosing clinical pathogens.
Scientists will develop a catalogue of simplified synthetic teixobactin molecules to combat superbugs like MSRA and VRE. The project aims to create new antibiotics for human use, addressing the high failure rate in drug development.
Researchers have published the first estimates of antibiotic and pesticide planetary boundaries, revealing that Gram-negative bacteria are already beyond these limits. The study emphasizes the urgent need for new approaches to manage resistance, including promoting susceptibility to pesticides and antibiotics.
A combination therapy of polymyxin B/trimethoprim has shown promising results against bacterial keratitis, a leading cause of blindness. The treatment eradicated infections in 70% of animal models and showed a low rate of spontaneous resistance.
A study published in Applied and Environmental Microbiology found that antibiotic-resistant E. coli bacteria in wild giraffes most likely come from anthropogenic sources. The research suggests that young giraffes are more likely to harbor resistant bacteria, potentially due to competition between strains.
Research reveals Salmonella species, causing foodborne diseases, are resistant to multiple antibiotic classes. The study identified 39 genes linked to this resistance, shedding light on the epidemiology of salmonellosis in Brazil.
A new set of generic competencies has been established by ESCMID to guide healthcare professionals in using antibiotics responsibly. The competencies cover three main areas: antimicrobial prescribing, diagnosing infections, and stewardship. This framework aims to harmonize approaches to antibiotic use across Europe.
A new antibiotic, zoliflodacin, has shown promising results in treating uncomplicated gonorrhea infections with a single oral dose. The study found a cure rate of 96% for participants treated with zoliflodacin, compared to 100% for those treated with ceftriaxone.
A Phase 2 clinical trial found that zoliflodacin cured most cases of uncomplicated gonorrhea, with cure rates ranging from 98% to 100%, depending on the dose. The antibiotic also showed promise in treating rectal and throat infections, although performance varied between doses.
Two Virginia Tech professors, Amy Pruden and Marc Edwards, are leading studies on antibiotic resistance in recycled water and plumbing. Their research aims to identify effective disinfectants and designs for preventing the spread of resistant bacteria in water systems, a growing concern that affects public health.
Most cystic fibrosis patients do not achieve high enough antibiotic concentrations in their blood to effectively fight bacteria responsible for pulmonary exacerbations. Real-time monitoring of serum antibiotic concentrations could help improve clinical outcomes and reduce worsening pulmonary function.
Researchers attach molecular attachment r8 to conventional antibiotics, helping them penetrate bacterial outer defenses and linger, increasing effectiveness against methicillin-resistant Staphylococcus aureus (MRSA). The approach demonstrates potential for treating other drugs and infections with existing modifications.
A survey found that nearly three-quarters of parents keep leftover antibiotics and give them to others, including siblings and unrelated adults. The practice, called prescription diversion, increases the risk of antibiotic-resistant infections.
Researchers found kanglemycins, a group of natural antibiotics similar to rifamycin, which can target mutated RNAPs. These antibiotics may have emerged as a result of evolutionary pressures in nature, providing a potential solution to the rising problem of antibiotic resistance.
A nationwide network study has found a small association between early antibiotic exposure and weight gain in young children. The research, published in Pediatrics, suggests that antibiotic use at less than 24 months of age may lead to slightly higher body weight at 5 years of age.
A large study of over 333,000 infants found that exposure to antibiotics and acid suppressants in early childhood may increase the risk of obesity by age 3. The research suggests an association between these drugs and altered gut microbiomes linked to weight gain.
Patients with drug-resistant urinary tract infections are more likely to experience worse clinical outcomes and relapses within a week. The study highlights the importance of close follow-up and proper antibiotic treatment to curb antibiotic resistance.
Research suggests that human hosts are starving their microbial communities of nutrients, potentially undermining the benefits of the microbiome. This could lead to a shift in the balance of power between humans and microbes, with implications for our health and well-being.
A new investigational antibiotic, cefiderocol, has been found effective against drug-resistant Gram-negative bacteria in a phase 2 randomised trial. The study suggested that patients treated with cefiderocol had a higher and more sustained level of pathogen eradication compared to those treated with imipenem-cilastatin.
Scientists at Martin-Luther-Universität Halle-Wittenberg have isolated a membrane protein from E. coli bacteria and shed light on its molecular structure. The study reveals how the bacterium manages to rid itself of antibiotics by using a pump mechanism, providing insights into the development of resistance.
Researchers at Harvard University have discovered that tetracycline antibiotics target human cytosolic ribosomes, leading to potential breakthroughs in treating cancer and pathological inflammation. The study provides a crucial foundation for further drug discovery and treatment development.
Researchers have developed a new method for administering the antibiotic ceftriaxone through rectal delivery, which could save thousands of newborn lives annually. The approach builds upon earlier work and has been shown to be effective in treating critically ill patients with sepsis.
Case Western Reserve researchers discover small molecules that block toxin formation in bacteria, allowing infected mice to survive. The breakthrough could lead to a solution for the global threat of antibiotic resistance.
A subset of T cells known as Th17 cells contribute to periodontitis, a severe form of gum disease. The study identifies these cells as key mediators of the condition and finds that inhibiting their development holds promise as a new therapeutic approach.
Infants who were breastfed for at least six months had a smaller number of resistant bacteria in their gut than babies who were breastfed for a shorter period. Antibiotic treatment of mothers during delivery increased the amount of antibiotic-resistant bacteria in the infant gut.
A new study found that of 25 newly introduced antibiotics between 1999 and 2014, only 12 had sales in over 10 countries, highlighting the need for improved global distribution.
A new test, DETECT, can diagnose patients with antibiotic-resistant strains of bacteria in a matter of minutes. The technique identifies the molecular signatures of antibiotic-resistant bacteria directly in urine samples.
Researchers at Tohoku University have developed a novel small ligand, ATMND-C2-NH2, with the tightest binding affinity for the bacterial A-site among non-aminoglycoside ligands. The discovery has significant implications for the development of new antibiotics with reduced toxicity and resistance
A new study suggests that surface water dynamics are a crucial contributor to the global health concern of antibiotic resistance. The research team found that land use and season were statistically significant predictors of antibiotic resistant bacteria presence in surface water.
A study of 500,000-plus outpatient antibiotic prescriptions found that nearly half were given without an infection-related diagnosis. The research suggests a huge problem with antibiotic misuse, regardless of symptom, and highlights concerns about 80% of antibiotics prescribed on an outpatient basis.
Researchers have developed a new antibiotic that can target Mycobacterium tuberculosis bacteria hiding in macrophage immune cells. The peptide-based drug kills the bacteria by weaponizing copper ions, which are toxic to them.
Researchers developed a new algorithm to search vast repositories of compounds produced by microbes, identifying over 5,000 promising unknown compounds that merit further investigation. The algorithm, called Dereplicator+, analyzes mass spectra data to eliminate known compounds and focus on potential new pharmaceuticals.
Patients with respiratory tract infections receiving antibiotics had significantly shorter telemedicine encounters than those not receiving antibiotics. Researchers found that antibiotic prescriptions were about 33 seconds shorter, while non-antibiotic prescriptions resulted in longer encounters of approximately 1 minute and 12 seconds...
Researchers found that polymers in airway mucus physically push on bacterial cells, causing stress responses that make them tolerate higher levels of antibiotics. This stress response is triggered by mild DNA damage, slowing down bacterial growth and making it harder to kill with antibiotics.
Researchers at University of Eastern Finland found ciprofloxacin inhibits topoisomerase 2, impairing mitochondrial DNA replication and transcription. This leads to impaired energy production and cellular differentiation.
Researchers found that multidrug-resistant bacteria in CF patients' airways are associated with lower microbial diversity and more aggressive disease. The study suggests that judicious use of antibiotics is crucial to help patients live longer, but new methods can help target infectious bacteria selectively.
Researchers found gallium effective in curbing bacterial growth in mice and patients with cystic fibrosis or chronic lung infections, including those infected with Pseudomonas aeruginosa. Gallium's slow development of resistance makes it a potential alternative to standard antibiotics.
Researchers discovered that tweaking pH balance and oxygen in a CF lung model can help eradicate pathogenic bacteria while minimizing antibiotic resistance. The study found two distinct communities of microbes in CF lungs: anaerobes thriving in low-oxygen and low-pH regions.
A study examining prescription medicines in New Zealand children found significant increases in antibiotic and pain relief use, but also decreases in systemic antibiotics. The research highlights the importance of educational campaigns and monitoring to ensure safe prescribing practices.
A randomized clinical trial found that about 60 percent of patients treated with antibiotics for uncomplicated acute appendicitis did not undergo appendectomy in five years. The study suggests that antibiotics may be a viable treatment option for this condition, offering an alternative to surgery.
A new clinical algorithm has been developed to identify eligible patients with uncomplicated staphylococcal bloodstream infections who can take antibiotics for fewer days. This reduction in antibiotic duration is significant and could help reduce antibiotic resistance on a broader scale, benefiting individual patients and public health.
Researchers found that antibiotics kill beneficial bacteria, preventing them from controlling infection and inflammation in the mouth. The study suggests that overuse of antibiotics can have devastating effects on overall health, including oral conditions.
Researchers discovered that a small portion of pathogenic bacteria can go dormant, avoiding antibiotic effects. This 'hibernation' mechanism allows them to survive and resume regular functions when safe. Understanding this process is crucial for developing new antibiotics targeting the dormant state.
Researchers at Newcastle University have identified a naturally occurring antibiotic called kanglemycin A that is effective against rifampicin-resistant Tuberculosis. The compound was found to bind to the same groove as rifampicin but with extended structures, allowing it to maintain its affinity and inhibit the bacteria.
Researchers developed a novel immunochromatographic method to detect multi-resistant bacteria in blood cultures with 100% certainty. The new method reduces testing time from up to 72 hours, enabling faster treatment and potentially curbing the spread of resistant pathogens.
Stanford researchers identify a key bacterial molecule, pEtN cellulose, that enhances adhesion of E. coli to bladder cells, potentially leading to new treatments for urinary tract infections. The finding could break the cycle of infection by preventing bacterial adhesion.
A new test for viral infections can reduce hospital admissions by up to 25% and unnecessary antibiotics by 50%, according to new research. The quick and easy test, launched at a UK hospital in 2018, uses point-of-care respiratory viral testing (POCT) technology.
A systematic review found that healthy infants and children taking probiotics are 29% less likely to receive antibiotics. Probiotics may reduce antibiotic use by reducing the incidence and duration of infections, making them a potential tool for physicians as an alternative to antibiotics.
A review of twelve studies found that probiotics reduced antibiotic prescriptions by 29-53% in infants and children. The study suggests that probiotics may be a way to combat antibiotic resistance, with potential mechanisms including immune regulation and pathogen inhibition.
Very premature babies are more likely to harbor Ureaplasma bacteria, which can cause respiratory infections and lead to long-term breathing problems. A new study suggests that antibiotics may be effective in treating these infections and improving outcomes.
Researchers have developed a super-fast screening technology that uses bacteria in bear saliva to discover new treatments for antibiotics. They found a beneficial strain of bacteria that produces a previously known antibiotic, amicoumacin, effective against MRSA.
Scientists have discovered how bacteria, including Clostridium perfringens, pass genetic information to resist antibiotics and produce toxins. The new gene tcpK plays a critical role in this process, allowing bacteria to share genetic instructions with each other.
Researchers at the McGill University Health Centre have identified a new cellular target that can weaken P. aeruginosa, a bacterium responsible for thousands of deaths in cystic fibrosis patients. The discovery could lead to more effective antibiotics and improve treatment outcomes for these patients.
Despite record-high infection rates, many patients only receive treatment for their own infection, while partners are often left without access to antibiotics or a prescription. Experts highlight the need to overcome barriers, including stigma and policy hurdles, to increase the use of expedited partner therapy.