Articles tagged with Antibiotics
Cholestenone inhibits H. pylori cell wall biosynthesis by suppressing CGL production, effective against clarithromycin-resistant strains and eradicating bacteria in mice fed with cholestenone-containing diets.
A new study by Florida Atlantic University's Harbor Branch Oceanographic Institute reveals that a common antibiotic, amoxicillin, is effective in treating stony coral tissue loss disease. The study showed a 95% success rate in healing individual lesions, but did not prevent the development of new lesions over time.
Research found that antibiotics like streptomycin did not significantly impact the apple leaf microbiome, contrary to previous concerns. The study's findings suggest that geographical location plays a larger role in shaping bacterial composition than management strategy.
Researchers created a platform that can develop effective peptide nucleic acid therapies against bacteria in just one week. The Facile Accelerated Specific Therapeutic (FAST) platform enables speedy identification and testing of molecules targeting new mechanisms in pathogens.
Researchers studying the symbiotic bacteria of beewolves found signs of genome erosion and metabolic streamlining for antibiotic production. The bacteria's genome is being reduced as it focuses on its defensive symbiosis with the host insects, suggesting an adaptation to their mutual benefit.
Research at University of Jyvaskyla reveals that quality and quantity of enrichments influence well-being of aquaculture fishes. The study found that stone enrichments improve survival rates, while a higher number of stones also has a positive effect.
Scientists developed an imaging agent that enables safe and rapid detection of Enterobacterales infections in patients, distinguishing between drug-susceptible and resistant strains. The agent revealed sites of infection, monitored response to antibiotics, and identified secondary bacterial infections.
The American Heart Association recommends prioritizing good oral hygiene and regular dental care over antibiotics for preventing heart infections caused by mouth bacteria. Patients with certain conditions, such as prosthetic heart valves or congenital heart disease, are at higher risk of developing these infections.
Researchers from NUST MISIS have created innovative multilayer coatings that synthesizes protective properties of nanoparticles, biopolymers, anticoagulants, and antibiotics. The coatings demonstrated excellent bactericidal efficacy against antibiotic-resistant bacterial strains with a prolonged antibacterial effect up to 7 days.
Researchers and healthcare professionals will discuss future innovations in patient care, effective practices for improving healthcare quality, and strategies for combating emerging pathogens. The event aims to identify gaps in infection control and expand prevention approaches across healthcare settings.
The American College of Physicians suggests prescribing shorter antibiotics courses for uncomplicated bronchitis, pneumonia, urinary tract infections, and cellulitis, with duration guidelines varying by infection. This approach aims to reduce antibiotic exposure and prevent resistant organisms from developing.
Early life antibiotic exposure disrupts beneficial gut bacteria, leading to reduced regulatory T-cells and increased allergic responses. The study found that this disruption occurred as early as six months after birth, persisting into adulthood.
Researchers found high levels of antimicrobial resistance in water from the Hua Krabue canal, but low levels in aquaculture ponds. The study highlights the urgent need to improve urban sanitation in Thailand's coastal region. Safely managed sanitation is crucial for combatting antibiotic resistance.
A study found that nearly 20% of patients with antibiotic-loaded spacers and IV antibiotics developed acute kidney injury, with those with preexisting chronic kidney disease at highest risk. The study identified several risk factors for AKI, including high doses of antibiotics and certain heart rhythm disorders.
Researchers have developed novel antibiotic-releasing 3D printed scaffolds capable of supporting bone regeneration and delivering antibiotics. The study found that covering antibiotics with lamellar inorganic protectors enabled a controlled release, maintaining cell viability and bone formation.
A novel culture-free self-driving DNA nanosensor can accurately detect lethal superbugs like MRSA with high sensitivity, enabling rapid and precise sensing of a microorganism's DNA. The detection time is reduced to just 10 seconds, making it a cost-effective tool for timely diagnosis and treatment.
A new antibiotic compound targets a molecular pathway found in bacteria but not humans, clearing infection of multi-drug resistant gonorrhea in mice with a single oral dose. The research team developed the compound through iterative optimization and testing, demonstrating its potential as a single-dose therapy for gonorrhea.
Research reveals that nitric oxide produced by the human immune system can render aminoglycoside antibiotics ineffective against E. coli strains from human infections. This may impact treatment choices for life-threatening infections such as sepsis, bladder infections, and kidney failure.
A meta-analysis found that the frequency of dual allergies to penicillin and cefazolin was only 0.7%, making it safe for nearly all patients with a penicillin allergy history. Cefazolin is now considered a suitable alternative to other antibiotics in surgery patients.
Researchers discovered how bacterial colonies form multilayered biofilms when exposed to antibiotics, which can contribute to antibiotic resistance. The study's findings suggest that breaking up the formation of these biofilms could be an effective strategy for treating infections.
The study found enormous differences in the availability and use of antibiotics between African and Asian countries, with Asia having more readily available antibiotics. Self-medication is a significant problem, with high rates in some countries, and context plays a crucial role in combating antibiotic resistance.
Researchers found that Debaryomyces hansenii promotes chronic inflammation and impairs wound healing in Crohn's disease patients. The fungus preferentially colonizes inflamed intestinal tissues, suggesting it as a potential therapeutic agent.
A new study has mapped the full evolutionary journey of the bacterium Enterococcus faecalis, a common cause of antibiotic-resistant infections in hospitals. The research shows that antibiotic resistant strains developed earlier than previously thought, influenced by agricultural and early medical practices.
The summit aims to discuss how individual behaviour and organisational norms can be changed to slow down the development of antimicrobial resistance. Key findings include the need for strong political leadership and communication strategies to address misconceptions about antimicrobial resistance.
A growing number of diphtheria cases, coupled with evolving antimicrobial resistance, pose a significant threat to public health. The disease's toxin genes have shown increased diversity, which could impact the effectiveness of vaccines and treatments.
A five-day course of high-dose amoxicillin is an effective treatment for children six months to 10 years old with common pneumonia. The study found that 85.7% of those who received the short course were cured two to three weeks later.
A new model links bacterial metabolism and growth to mechanisms of antibiotic resistance, enabling predictions of mutation types and levels. The study suggests a previously unobserved connection between nutrient uptake and resistance development, which can inform strategies for slowing resistance emergence.
A new model can predict the evolution of antibiotic resistance in bacteria by analyzing growth rates and resistance levels at different drug concentrations. This knowledge can help identify optimal treatment protocols, drug targets, and new antibiotic candidates to combat resistant bacteria that threaten global health.
Scientists have discovered a natural inhibitor of topoisomerases II that can combat fluoroquinolone-resistant gram-negative bacteria. Nybomycin, a 'reverse antibiotic,' blocks the gyrase enzyme, rendering it effective against strains previously resistant to other antibiotics.
A rapid microbiological point-of-care test for respiratory infections has proved popular with GPs and may reduce unnecessary antibiotic prescribing. The study found that clinicians changed the diagnosis in one in five patients following testing and were more certain of the diagnosis after detecting a virus or bacterium.
A study of private insurance claims data found nearly half of women with uncomplicated urinary tract infections received the wrong antibiotics and three-quarters received prescriptions for longer than necessary. Rural areas tend to have inappropriately long treatment durations, which can lead to adverse events and antibiotic resistance.
A recent study reveals how bacteria develop tolerance to beta-lactam antibiotics, leading to persistent infections. The researchers identified a system that mitigates iron toxicity in tolerant bacteria, opening the door for new therapies that exploit oxidative damage and iron influx.
A University of Queensland-led project combines old antibiotics with a new compound to revive their effectiveness against drug-resistant bacteria. The goal is to combat the growing threat of superbugs, particularly in low- and middle-income countries.
Researchers found amoxicillin-clavulanate as effective as metronidazole-with-fluoroquinolone in preventing diverticulitis-related admissions. The treatment reduced the risk of fluoroquinolone-related harms, including Clostridioides difficile infection.
Researchers have isolated monoclonal antibodies that effectively target and inhibit the growth of tuberculosis germs in laboratory mice. These biological antibiotics show promise as an alternative to traditional chemical antibiotics, offering a safer and more stable treatment option.
A study by MIT researchers has identified a class of metabolic mutations in bacteria that helps them develop resistance to antibiotics. The findings suggest that forcing bacteria to burn more energy could make them more susceptible to antibiotics, and may lead to the development of new drugs to enhance existing antibiotic effectiveness.
A study found that older adults understand the risks of overusing antibiotics, but many still use them incorrectly. Over 91% of respondents are cautious about using antibiotics, yet nearly 56% believe doctors overprescribe them, while 34% think antibiotics can help with viral illnesses like colds and flu.
Research found fidaxomicin is more effective than existing TB medication at preventing growth of M. tuberculosis, including resistant strains. Fidaxomicin's in vitro activity was compared to rifampicin and showed promise as a potential new treatment for TB.
A new study by RAND Corporation found that low-value healthcare spending among Medicare recipients decreased marginally from 2014 to 2018, but three services - opioid prescriptions for back pain, preoperative laboratory testing, and antibiotic use for upper respiratory infections - accounted for two-thirds of the wasteful care. The fin...
A team of veterinarians from RUDN University tested a complex preparation called gentaminoseleferon to treat respiratory infection in calves. The study showed that the treatment reduced inflammatory processes and promoted active recovery of metabolism, indicating its therapeutic efficiency.
Two studies published in The BMJ found no associations between prescription opioids or macrolide antibiotics and major birth defects during pregnancy. Researchers did find a small increased risk of cleft palate associated with opioid use, but overall risks were deemed minimal. The findings provide reassurance for women and inform clini...
Researchers at the University of Southern Denmark have developed a new effective antibiotic to combat resistant bacteria, which are becoming increasingly difficult to treat. The substance, from the pleuromutilin class, fights multiple types of resistant bacteria via a unique mechanism of action.
Research published in the Archives of Disease in Childhood suggests a link between fetal exposure to antibiotics in mid-to-late pregnancy and an increased risk of childhood asthma. The study found that children born vaginally were more likely to develop asthma, with higher odds for more serious cases.
A study from Texas A&M AgriLife Communications reveals that membrane-localized phage proteins may help revitalize and enhance existing antibiotics. Researchers identified 35 unique lysis genes in E. coli bacteria, which could potentially represent new mechanisms for bacterial cell lysis.
Scientists at University of Warwick and Monash University discovered the molecular basis of a biological mechanism controlling antibiotic production in soil bacteria. This breakthrough could lead to improved manufacturing of existing antibiotics and uncovering new ones.
A new computer modeling tool integrates real-time data to help clinicians determine if a child with diarrhoea needs antibiotics. The tool shows promising results, reducing inappropriate antibiotic prescriptions by over 50%.
Dr. Chu-Young Kim's research team is working on modifying existing antibiotic molecules using microorganisms that naturally synthesize them. This approach aims to overcome resistance and provide affordable treatment options for patients. The goal is to engineer bacteria to produce modified antibiotics via fermentation.
The researcher aims to identify common mechanisms among persister cells and their unique metabolic processes. The goal is to develop new strategies for understanding and combating bacterial persistence.
Research at Carnegie Mellon University reveals that certain bacteria can change their shape in response to antibiotic exposure, enabling them to overcome stress and resume fast growth. The study demonstrates how cell shape affects bacterial reproduction and survival, providing insight into the mechanisms of antibiotic resistance.
Research by Michigan State University finds that livestock workers are at high risk of acquiring antibiotic-resistant bacteria, including methicillin-resistant Staphylococcus aureus (MRSA). The study highlights the importance of good hygiene practices and policies in minimizing the spread of livestock-associated MRSA.
Researchers have developed a method to simultaneously measure 77 antibiotics in various foods, including meat, eggs, milk, cereals, vegetables, and fruits. The new approach allows for the detection of multiple classes of antibiotics at trace amounts, which can contribute to increased antibiotic resistance and gut microbiome imbalance.
A new study found that exposure to antibiotics within the first 14 days of life is associated with reduced weight and height in boys up to age six. However, antibiotic use after neonatal period leads to higher body mass index (BMI) in both boys and girls during childhood.
A global analysis of antibiotic combination use reveals that 80% of commonly prescribed combinations are not recommended by the WHO. The study found that these inappropriate combinations can lead to inefficacy, toxicity, and selection for antimicrobial resistance.
Researchers found that membrane vesicles, which carry biological information between bacteria and cells, produce more info-rich bubbles in response to antibiotics. This may lead to the transmission of warning signals to neighboring cells and potentially foster antibiotic resistance.
A new study reveals that a single water molecule is essential for the binding of macrolide antibiotics to bacterial ribosomes, explaining why resistant bacteria are immune to these drugs. This discovery offers a promising lead in developing new antibiotics that do not require this water molecule for binding.
Researchers at Penn State have discovered a unique enzyme-catalyzed reaction in the production of thiostrepton, a potent antibiotic that can also target breast cancer cells. The breakthrough, detailed in a new Nature Chemistry study, could lead to the development of more effective human medicines.
Researchers used CRISPR/Cas9 genome editing to increase formicamycin production in Streptomyces formicae bacteria, which could lead to new antibiotics against MRSA. The over-producing strain can be used to purify enough formicamycins to study their mode of action and development as antibiotics.
A randomized clinical trial evaluated two antibiotic strategies for adults with uncomplicated acute appendicitis. The study found that one strategy resulted in lower rates of hospital discharge without surgery and recurrent appendicitis over a year.
A randomized controlled trial found no difference in infection rates and sinus symptoms between patients who received antibiotics and those who didn't after endoscopic sinus surgery. However, patients in the antibiotic group were more likely to report gastrointestinal side effects.
Researchers developed a new imaging method to track antibiotic distribution in infected tissues, revealing that some antibiotics only partially penetrate infected cells. This discovery could lead to more targeted treatments and reduced risk of antibiotic resistance.