Articles tagged with Antibiotics
Researchers have discovered a rare fungus that produces compounds effective against both normal and resistant Staphylococcus aureus pathogens. The six most active compounds, including the previously unknown cyclo-(L-proline-L-methionine), boost the activity of other antimicrobial compounds.
Global experts are calling on the UN to create and implement a four-part global action plan to reduce deaths due to limited access to antibiotics. The plan aims to improve access, monitor progress, mobilize resources, and coordinate multisectoral action to tackle antibiotic resistance.
Researchers at Beth Israel Deaconess Medical Center developed a simple and versatile method using inkjet printing technology to test bacteria for susceptibility to antibiotics. The method has been shown to be accurate and reproducible, significantly decreasing the antimicrobial testing gap.
Researchers at CWRU discovered how bacterial resistance enzymes spread and avoid destruction by anchoring themselves in cell membranes. This mechanism allows bacteria like NDM-1 to resist destruction triggered by low zinc levels, enabling their widespread dissemination and antibiotic resistance.
A study found that 14% of patients kept a stash of antibiotics at home and 40% used them without a prescription. Self-prescribing can lead to antibiotic resistance and serious side effects, highlighting the need for proper medical guidance.
The new platform uses genomic technologies and bioinformatics tools to identify bacteria that produce effective antibiotics. The researchers aim to improve the efficiency of natural product discovery, which has been hindered by bottlenecks in the past.
A new study found that reducing antibiotic prescribing for respiratory tract infections does not increase the risk of serious bacterial complications. However, it also suggests that practices with lower rates of antibiotic prescribing had slightly higher rates of pneumonia and peritonsillar abscess.
A new study found that individual mycobacteria respond differently to antibiotics based on growth and timing, shedding light on the complexity of antibiotic tolerance. Bacteria in different stages of their cell cycle and size are susceptible to varying degrees.
Research reveals bacteria adaptation influences antibiotic spectrum, leading to increased sensitivity to some antibiotics while resisting others. This study paves the way for targeted treatments.
Researchers at UVA Health System identified a link between C. difficile infection and allergy-causing immune cells, offering potential solutions for prevention through targeted probiotics. The discovery has immediate implications for therapy, as maintaining the natural gut microbiome may prevent life-threatening infections.
A study of 39 Finnish infants found that antibiotic treatments during childhood reduced the diversity and stability of their intestinal microbiota. The research highlights the potential long-term health consequences of unnecessary antibiotic use in children.
Scientists have isolated two small peptides from crop species that show effective antimicrobial effects on bacteria implicated in food spoilage and poisoning. These peptides, similar to a human peptide used to guard against beer-spoiling bacteria, offer a promising new approach to combatting antibiotic resistance.
A mouse study reveals that skin grafts between mice treated with antibiotics before transplantation survive roughly twice as long. The team also found that changing the composition of microbiota affects organ transplants, suggesting a new strategy to improve transplant outcomes in humans.
New studies show antibiotics can delay infant microbiome development, reduce bacterial diversity, and lead to temporary antibiotic resistance gene presence. The findings suggest a need for further research on long-term consequences of gut microbiome disturbances linked to obesity, diabetes, and allergies.
A study analyzing infant gut microbial populations reveals that antibiotic treatment reduces diversity, leading to increased risk of autoimmune diseases. Breastfeeding duration may also play a role in shaping the developing microbiome.
Research at UC Davis Health System identified a mechanism by which antibiotics alter gut microbiota, increasing nutrients that benefit pathogen growth. The study found that oral antibiotic treatment increases the synthesis of an enzyme generating nitric oxide radicals, which oxidize sugars and promote Salmonella growth.
Research found that C-sections, antibiotic use, and formula feeding slow the development and decrease diversity of a baby's microbes. The study also showed that these modern practices can lead to lower species diversity and delayed microbiota maturation in babies.
Researchers have found that antibiotic-resistant salmonella strains are becoming increasingly common in sub-Saharan Africa, posing a significant threat to public health. The emergence of multidrug-resistant strains, particularly among non-typhoid salmonella infections, is a major concern due to the lack of effective treatments.
A new clinical trial shows that drinking 8-ounce glasses of cranberry juice daily reduces recurrent UTI episodes by nearly 40%. Cranberry consumption may help alleviate the burden of antibiotic resistance and improve quality of life for women suffering from recurring UTIs.
A new business model is required to drive antibiotic development, driven by market failures and perverse incentives that hinder conservation efforts. The proposed delinkage of rewards from sales volume could transform the industry and ensure the development of much-needed new treatments.
A study found that breastfeeding for a long duration was associated with lower rates of postweaning antibiotic courses and decreased body mass index (BMI) in later childhood. The benefits may be attributed to the development of intestinal microbiota, which is dependent on an infant's diet.
Researchers successfully treat deadly MRSA infection in animals using the combination of antibiotic TXA709 with cefdinir, reducing potential resistance and side effects. The new treatment approach aims to develop a new class of antibiotics to combat rising antibiotic-resistant infections.
Researchers have discovered a new class of antimicrobial materials that use carbon nanodots to kill drug-resistant bacteria. The materials, which include molecules such as PAMAM, exhibit greater efficacy against certain strains of E. coli and Klebsiella pneumoniae, and may also enhance the effectiveness of existing antibiotics.
A study presented at the APIC Annual Conference found that three-quarters of ED patients treated with antibiotics tested negative for gonorrhea or chlamydia. The research highlights the need to find a balance between treating patients and preventing unnecessary antibiotic use, which contributes to antibiotic resistance.
Researchers identified a new mechanism by which streptomycin kills bacteria, targeting the MscL channel pore. Dihydrostreptomycin directly binds and modifies MscL, allowing solutes to exit the cell. This discovery holds promise for developing new antibiotics to combat drug-resistant infections.
A study of over 1,100 patients with symptoms of gonorrhea or chlamydia found that 76.6% who received antibiotics tested negative for the STDs. The study suggests focusing on clinical predictors may improve unnecessary antibiotic prescribing in patients without true disease.
Researchers at Zhejiang University have developed a potential biomarker for bacterial pneumonia using breath analysis. The study found a link between volatile organic compounds in exhaled air and patients diagnosed with bacterial pneumonia.
Researchers study manure management techniques to prevent antibiotic residues from entering waterways, with potential implications for human health and food safety. The $1 million project evaluates three waste-processing methods: anaerobic digestion, composting, and long-term storage.
Researchers have developed a new method for synthesizing phenyl-substituted 3,6-Dihydro-2H-pyran derivatives with high enantiomeric purity. The results showcase the potential of this approach for producing pharmaceuticals and other valuable compounds.
Researchers discovered a bacteriophage virus in Connecticut that targets multi-drug resistant Pseudomonas aeruginosa, making it susceptible to existing antibiotics. This 'phage' therapy has the potential to treat life-threatening infections and preserve medical options against deadly bacteria.
A new study at a UK hospital found that refusing access to the recovery room unless the full WHO Safe Surgery Checklist is complete improves its use. The checklist has been proven to improve safety standards and reduce surgical complications.
A new trial aims to assess the efficacy of Chinese herbal medicine in preventing and treating urinary tract infections (UTIs), with potential to replace some antibiotic treatments. The study's findings could help reduce antibiotic resistance and improve treatment outcomes for women affected by UTIs.
Agricultural practices like animal husbandry and manure disposal are thought to contribute antibiotic-resistant bacteria to soil microbiomes. The study aims to understand the transfer of resistance genes in different soil types and inform government policies.
Researchers created a simplified platform to make macrolide antibiotics without the original molecule, enabling potential solutions to antibiotic resistance. The platform has shown promise in initial testing against clinical bacterial strains and resistant superbugs.
A recent study by Dr. Susanne Wolf found that white blood cells act as an intermediary between the gut microbiome and the brain, playing a crucial role in neurogenesis and memory function. The research suggests that antibiotics may disrupt this communication pathway, leading to impaired neurogenesis and memory deterioration.
A mouse study reveals that antibiotics can kill off gut bacteria and stop new brain cell growth in the hippocampus. However, probiotics and exercise have been shown to improve memory and neurogenesis by balancing the communication between the brain, immune system, and gut.
A new class of styrylbenzene antibiotics, Ramizol®, has been developed to target Clostridium difficile associated disease. The drug stays in the gastrointestinal tract and reaches high concentrations to yield a therapeutic effect, with benefits including low frequency of resistance.
A University of Oklahoma team has developed a new antibiotic formulation that combines traditional antibiotics with polymer BPEI to revive efficacy in obsolete drugs. This approach aims to improve patient outcomes and reduce economic burdens by treating MRSA infections.
Researchers found that strains of E. coli resistant to one antibiotic can protect other bacteria growing nearby, demonstrating a type of mutualism known as cross-protection. This phenomenon allows bacteria to form drug-resistant communities and survive in environments containing both antibiotics.
Researchers at the University of Bristol are developing novel diagnostic tests and nanopatterned surfaces to combat resistant infections. A new rapid diagnostic test can predict effective antibiotics, reducing reliance on strongest options. Novel antimicrobial surfaces could improve biomedical devices and implant success rates.
Researchers at University of Bristol and Newcastle University have discovered a natural Diels-Alder enzyme, AbyU, which catalyzes the powerful chemical reaction. The discovery could lead to the development of new antibiotics and other medical treatments.
Researchers at Denver Health have developed a new diagnostic tool to identify multidrug-resistant organisms in combat-related infections, allowing for faster treatment. The test can characterize multiple pathogens within 2 hours, including MRSA, and determine antibiotic susceptibility with high accuracy.
Scientists at the University of Bristol have developed a novel way to produce new antibiotics, increasing production by over 2,000 per cent. This breakthrough could lead to cost-effective treatments for resistant strains of tuberculosis and Staphylococcus aureus.
Outpatient oral antibiotic prescriptions were estimated to be 30% inappropriate in the US, with an annual impact of 34 million unnecessary prescriptions. A 15% reduction in overall antibiotic use is necessary to meet the White House National Action Plan goal by 2020.
Research in a mouse model found that antibiotics deplete beneficial bacteria, increasing oxygen levels that favor the growth of pathogen Salmonella. This discovery has profound implications for preventing side effects of antibiotic treatment and informs new strategies to tackle bacterial infections.
Researchers found swollen posterior cervical or axillary lymph nodes, fatigue, and enlarged spleen to be effective predictors of mono. Persistent symptoms lasting three to four weeks also characterize the illness, according to Dr. Mark Ebell.
Researchers developed a computer model to explain how antibiotic-resistant microbes develop and spread. The study reveals that even after antibiotic therapy, more bacteria may be sensitive to the effects of antibiotics than resistant ones.
Researchers at UTMB identify 94 effective non-antibiotic drugs against Yersinia pestis and other antibiotic-resistant bacteria. Trifluoperazine, doxapram, and amoxapine show promise in treating plague and other infections.
Scleratrophic skin lesions like morphea, lichen sclerosus etatrophicus (LSA) and anetoderma are associated with Lyme borreliosis, with Borrelia DNA detected in up to 50% of patients. The response to antibiotic treatment varies, suggesting a heterogeneous origin for these dermatoses.
Researchers develop a new mathematical framework to compare different treatment therapies, including aggressive and moderate approaches. The model considers the role of the host immune system in infection clearance, suggesting that optimized treatments can minimize drug resistance without compromising patient health.
Researchers found that combining great willow herb extracts with antibiotics can reduce antibiotic doses and minimize side effects in treating multi-drug resistant infections. The synergistic effect of the herb's phenolic acids and flavonoids with common antibiotics has potential to influence antimicrobial activity.
A new study found significant variability in surgical antibiotic prophylaxis use and appropriateness among children's hospitals, with a median rate of 64.6% for appropriate use across all procedures. The likelihood of Clostridium difficile infection and epinephrine administration was higher in patients receiving antibiotics
Researchers at UC San Diego School of Medicine are establishing an interdisciplinary center to define the systems biology of antibiotic resistance, a pressing global medical challenge. The program aims to develop new strategies for treating antibiotic-resistant infections by combining experimental and computational methods.
Research by Michigan State University found that large-scale swine farms in China and the US are breeding ground for multidrug-resistant bacteria. Partner genes, which can confer resistance to multiple antibiotics, were discovered in Chinese soils and manure, highlighting the need for prudent agricultural antibiotic use.
Researchers at Duke University found that antibiotics do not promote the spread of bacterial antibiotic resistance through genetic swapping, contrary to previous assumptions. The study's results suggest that differential birth and death rates, rather than DNA donation, are to blame for the spread of resistance.
Zolav®, a new antibiotic, shows promising results in treating acne by significantly reducing infection and redness. The treatment offers a low-risk alternative to current standard care, which includes isotretinoin with potential side effects.
A new study by McGill University Health Centre researchers found that oral provocation tests are a more efficient and safer method for diagnosing non-life-threatening reactions to antibiotics in children. The study also showed that up to 10% of children may develop mild skin eruptions upon subsequent exposure.
A new study suggests that taking antibiotics in early childhood may disrupt the gut's microbial ecosystem and increase the risk of developing prediabetes in adolescence. The researchers found that a depletion of beneficial bacteria, such as Ruminococcus species, was associated with higher rates of antibiotic use.
A study found that half of patients visiting their GP with dental problems were prescribed unnecessary antibiotics, despite these not providing a definitive treatment. This has raised concerns about the impact on long-term dental health and potential contributions to antibiotic resistance.
Researchers at Nanyang Technological University (NTU) have discovered a method to disrupt cell-to-cell communication and latch-on ability of bacteria, making them vulnerable to antibiotics. This breakthrough offers new treatment options for chronic bacterial infections and may help extend the lifespan of existing drugs.