Articles tagged with Bacterial Infections
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.
Researchers found that a single mutation in TB bacteria makes them resistant to antibiotics and elicits a weaker immune response, leading to higher mortality rates. The study suggests that the same approach may not work for drug-resistant TB strains.
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.
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.
Researchers identified 40 different Leptospira strains in Uruguay cattle, including rare isolates and serotypes matching those found in human leptospirosis patients. The discovery highlights the need for improved diagnostic tools and vaccination strategies to mitigate the risk of human infection.
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.
The £3 million DOSA programme aims to develop rapid diagnostic solutions for antimicrobial resistance (AMR) in India. The project will create cutting-edge diagnostics to curb AMR in community healthcare, dairy farms and aquaculture settings.
Scientists discovered that hundreds of bacteria, including pathogenic and probiotic species, generate electricity in the human gut. This discovery could lead to new ways to create living batteries from microbes, such as those found in waste treatment plants.
A new bacterial strain, Staphylococcus cornubiensis, has been identified from a skin infection in Cornwall. The strain is genetically unique and likely belongs to the Staphylococcus intermedius group, which is also associated with pets.
Clostridium difficile produces p-cresol to control intestinal microbiota and confer fitness advantage over natural protective bacteria. This compound may provide a novel drug target for reducing C. difficile infection.
Researchers at Washington State University developed a new nanoparticle system that targets infections to release antibiotic and anti-inflammatory agents. This breakthrough technology aims to improve treatment for sepsis and bacterial infections by reducing the spread of bacteria and inflammation.
A recent study published in Nature Ecology & Evolution found that superbugs like MRSA have a complex evolutionary history, with cows being the source of strains causing human infections worldwide. The research highlights the importance of monitoring antibiotic resistance and developing strategies to minimize its spread.
Researchers found that jet-air dryers contaminated toilet floors, sinks, and surfaces with bacteria such as Staphylococcus aureus and enterococci. The study suggests that paper towels are a safer alternative for hand drying in hospitals.
A recent study has found that birds develop resistance to bacterial infections, which in turn leads to the evolution of more potent pathogens. This host-pathogen coevolution process plays a key role in shaping species' defenses and highlights the importance of understanding emerging infectious diseases.
Research at the University of Edinburgh found that a previously thought-to-be ineffective antibiotic, fosfomycin, can actually kill Listeria bacteria in infected cells and mice. This breakthrough may provide new treatment options for life-threatening Listeria cases.
A new study reveals that the mechanical properties of viral DNA govern the direction of infection, with synchronous and random infections differing in their DNA's stiffness. Temperature and stress levels influence this process, with heat making DNA more flexible and potentially leading to lytic events.
A new evidence-based white paper provides practical approaches to preventing Clostridioides difficile (C. difficile) infections in neonatal intensive care units. The guidance recommends against routine testing for C. difficile in neonates and suggests evaluating first for more common causes of diarrhea.
Researchers at UH University have won a $3.5M grant to develop technology suggesting the best combinations of antibiotics to kill certain resistant bacteria. The project aims to combat antibiotic resistance, a major public health threat.
Engineers at UCR have created gold nanobeads with spiky and hollow structures by modifying the M13 bacteriophage virus. The discovery could lead to more efficient production of electronic components and new applications for wastewater treatment.
Implementing antimicrobial stewardship programs in out-patient dialysis facilities can significantly reduce infections caused by multidrug-resistant organisms, infection-related deaths, and costs. The programs promote the appropriate use of antimicrobials, leading to a 4.8% reduction in infections and a 4.6% reduction in death rates.
Researchers at Columbia University Irving Medical Center have discovered that UV light can kill drug-resistant bacteria, a major cause of infections around skin-penetrating medical devices. The study, published in PLOS ONE, suggests that far-UVC light delivered through optical fibers could be used to prevent catheter-based and drivelin...
Researchers at Arizona State University and the Mayo Clinic have found that certain blue clays may help fight disease-causing bacteria in wounds, including those resistant to antibiotics. The study's findings build on earlier research into the antibacterial properties of these clays.
A California emergency department study found nearly 6% of urinary tract infections were caused by drug-resistant bacteria, with no identifiable risk factor for infection in many cases. The researchers urge wider use of urine culture tests and improved follow-up systems to address the growing problem of antibiotic resistance.
Scientists have developed a method using photosensitizers and nanoparticles to activate oxygen, killing bacteria like MRSA. The technique has shown promise in treating microbial infections and possibly even cancer.
Researchers found Tibetan sheep carry infectious Y. pestis bacteria, transmitted through fleas and rodent contact, posing health risks to humans. The study highlights the need for caution when handling under-cooked sheep meat and underscores the unique characteristics of this region's plague transmission route.
Scientists have identified nearly 200 potential drug targets for tuberculosis, a complex disease caused by bacteria made up of 4,000 genes. The research found that specific human proteins, such as CBL, can limit bacterial infections and potentially provide a new approach to combat the disease.
Scientists have created a fluorescent probe that can tag single specimens of tuberculosis bacteria, which could lead to faster diagnosis and more effective treatments. The probe works by detecting the presence of an enzyme called BlaC, allowing for the identification of live versus dead bacteria.
Researchers find that giving mice dietary iron supplements enables them to survive a normally lethal bacterial infection and results in later generations of bacteria being less virulent. The approach promotes the health of the host, taming the behavior of the bacteria.
Researchers have found that a subset of people with helminth infections experience changes to their gut microbiome when treated for the infection. This change specifically affects Actinobacteria and Bacteroidetes levels.
A study by UC Davis researchers found that low levels of cytomegalovirus (CMV) significantly impact microbe and immune cell populations, influencing the immune system's response to the influenza vaccine. CMV infection also alters gut microbiota, potentially diverting resources away from other threats.
Chronic alcohol consumption modulates host immune defense mechanisms, increasing susceptibility to Mtb and other infections. Young alcoholic individuals with latent TB infection are at a higher risk of developing active TB, according to the study published in PLOS Pathogens.
A team of engineers and physicians at the University of California - San Diego developed a device that diffuses potent disinfectants for airborne delivery. The device effectively eliminated bacteria commonly causing hospital-acquired infections and also killed highly multi-drug resistant strains of bacteria including K. pneumoniae.
A new study reveals that hospital-associated bacterial species Enterococcus faecium is adapting to alcohols used in handwash disinfectants, increasing treatment resistance. The analysis of 19-year-old bacterial samples from two Australian hospitals suggests several mutations confer increased alcohol resistance.
Scientists created a placenta-on-a-chip to study how bacterial infections trigger preterm birth. The device mimics the placental barrier's response to infection, potentially leading to new treatments for this condition.
A new nano-sized trap device has been developed by McGill University scientists to detect disease-causing bacteria quickly and accurately. The device can analyze very small volumes of culture media containing bacteria such as E. coli and S. aureus in just minutes.
Researchers identified a molecule, propionate, produced by Bacteroides bacteria, that inhibits Salmonella growth in the intestinal tract of mice. This finding may lead to better treatment strategies and understanding why some people are more resistant to infection.
Researchers at UCalgary discovered the key target of a toxin that worsens sepsis caused by Staphylococcus aureus. The findings suggest an antibody targeting this toxin could prevent platelet aggregation and organ failure, offering new hope for patients in intensive care.
A new study found that trace amounts of antibiotics in leeches' environment can increase resistant bacteria, which displaced healthy microbes. The research suggests a low threshold for antibiotic exposure to boost resistant microbes.
A gene study pinpoints how Staphylococcus aureus bacteria can jump between species, acquiring new genes that enable survival in a new host. The research highlights the importance of disease surveillance to spot strains that could cause major epidemics and informs strategies for managing infections.
Research reveals phages work together to overcome CRISPR-Cas, a key breakthrough for improving phage therapy to treat life-threatening bacterial infections. The study shows that a high number of viral particles can overwhelm bacterial defenses, leading to the establishment of an infection in bacterial populations.
A systematic review and meta-analysis of random controlled trials found that chlorhexidine mouthwash reduces bacteraemia by only 12%, indicating its relatively low effectiveness. Despite this, the researchers recommend using a mouthwash with chlorhexidine before dental procedures due to its low cost and lack of adverse reactions.
Researchers discovered that phages cooperate to rapidly infect bacteria, overcoming destruction by CRISPR. The cooperation allows the first phage to sacrifice itself and produce anti-CRISPR compounds to neutralize some CRISPs, helping subsequent phages. This new model proposes a tipping point between numbers and speed of CRISPR and ant...
Researchers have discovered that the outer membrane of bacteria like E. coli can act as a strong physical barrier protecting the cell, making it a potential target for new antibacterial drugs. This finding suggests a new approach to fighting infections in roughly half of all bacterial species.
Researchers at the University of Liverpool are investigating snake venom compounds to treat microbial keratitis, a serious eye infection. They aim to develop anti-Pseudomonas aeruginosa agents to reduce damage to the cornea and prevent sight loss.
A new study by researchers at Okinawa Institute of Science and Technology Graduate University found that temperature shapes how mitochondrial DNA varies in nature. The study used fruit flies to demonstrate the selection of one mtDNA variant over another under different environmental temperatures.
A new delivery technique using dry, porous microparticles coated with phages successfully treated pneumonia in infected mice and reduced bacterial levels in cystic fibrosis models. The technique improves the distribution of phages in the lungs and could one day be used to deliver a dry-powder phage via an inhaler.
A new study by the University of Sheffield has discovered that antimicrobial resistant pathogens use benign bacteria present in the skin to initiate infection. The study reveals how Staphylococcus aureus can survive immune system mechanisms, providing new avenues for approaches to prevent and treat infection.
Researchers identified M21 as a compound that inhibits virulence factors in S. aureus via ClpP inhibition, reducing bacteria and abscesses in infected mice with improved survival rates. The findings suggest a potential alternative to antibiotics for treating drug-resistant S. aureus infections.
Asymptomatic bacteriuria screening in pregnancy may reduce kidney infections and low birth weight, but evidence is low-quality. Women's values and preferences play a significant role in screening decisions.
Researchers discovered bacterial aggregates behave like a thick liquid, facilitating meningococcal infection progression and highlighting the importance of type IV pili in aggregate formation. The study's findings provide new insights into the mechanisms governing disease development.
Researchers identified phosphatidylethanoloamine as a potent anti-inflammatory lipid found in Francisella tularensis bacteria, which can impair host immune response. Synthetic versions of the lipid also showed therapeutic potential against dengue fever virus.
Gonorrhea researchers have identified a novel protein that powers the virulence of the bacteria causing gonorrhea, opening the possibility of a new target for antibiotics. The discovery could lead to the development of a vaccine and improved treatment options for the highly damaging disease.
Researchers have determined the entire DNA sequence of pneumococci isolated from patient blood, relating genetic variation to over twenty disease manifestations. The study identified specific bacterial genes linked to infection severity and mortality, providing new diagnostic tools.
Researchers found over 70% of implants colonized by bacteria, fungi, or both, without causing infections. The discovery opens up a new field of understanding the interplay between the body and microbiomes.
Researchers discovered that bacteria can use provoking toxins to increase aggression levels in competing strains, leading to the elimination of weaker strains. This strategy could be exploited to manipulate microbial communities and fight infections, particularly resistant biofilms.
Researchers found that hospital occupancy levels, particularly in the middle range, were associated with a lower risk of C. diff infections. When the hospital was between 25 percent and 75 percent full, the risk of infection was more than three times higher compared to less than 25 percent or more than 75 percent occupancy.
Researchers used Pseudomonas aeruginosa and its mutants to study cheating behavior in bacteria, revealing that manipulating social interactions can prevent population collapse. The team created a mathematical model to predict how to change stable interactions among cheaters and cooperators.
A study by Massachusetts General Hospital investigators found that patients believed allergic to penicillin have significantly increased risks of contracting MRSA and C. difficile. The increased risk can be attributed to the use of broad-spectrum alternative antibiotics, which contribute to antibiotic resistance and virulent infections.
A new study has found that female bladders contain bacteria similar to those in the vagina, with beneficial microbes potentially providing protection against urinary infections. The research could lead to improved diagnostic tests and treatments for urinary tract disorders.