A patient in Cleveland was diagnosed with a corneal ulcer caused by Pseudomonas aeruginosa, a drug-resistant bacterium that's rarely found in eye infections. The contaminated eye drops were identified as the source of infection, and treatment required strong antibiotics to prevent vision loss.
Researchers discovered that fungal antibiotics produced by Penicillium mold in cheese rinds control bacterial community growth and development, leading to a shift in the composition of microbial communities.
New research found that temperature and original viral concentration affect the persistence of Omicron variants on shipping materials. The study reveals that lower temperatures and higher viral concentrations increase stability, while room temperature poses a risk. Safety protocols for shipping goods can be improved with this knowledge.
A genetically engineered probiotic has been shown to blunt the ill effects of alcohol in mice by reducing alcohol absorption and prolonging tolerance. The treatment also shortened recovery time after alcohol exposure and reduced liver damage. Further research is needed to confirm its effectiveness in humans.
A new study published in Journal of Clinical Microbiology shows that using multiple PCR panels can identify more pathogens, notably diarrhea-causing E. coli and enteric viruses, and do so more rapidly than a conventional workup. This results in lower healthcare costs, reduced hospitalizations, and decreased antibiotic use.
A new study found that New York City rats are susceptible to Alpha, Delta, and Omicron variants of SARS-CoV-2. The researchers also demonstrated a possible link between the virus and rat populations in the city's sewer systems.
Experts call for a nuanced discussion around gain of function research, highlighting its benefits for human health and its potential to reduce future disease outbreaks. The authors emphasize the need for evidence-based policies that balance safety concerns with the importance of this research in protecting humanity from viral threats.
Researchers found that antibiotic treatment led to significant changes in Candida albicans populations, varying by individual's microbiota. The degree of fungal overgrowth depended on the activity of beta-lactamase enzyme produced by endogenous bacteria.
Researchers discovered that plasmids can linger in the nose of lab workers for weeks, interfering with clinical diagnostic tests. The study highlights the importance of considering occupational exposure in diagnosis and treatment.
Researchers have identified a new antifungal antibiotic named solanimycin produced by a pathogenic potato bacterium. The compound shows efficacy against various fungi, including Candida albicans, and has potential for both agricultural and clinical applications.
Researchers have identified a single mutation in the MDS3 gene that improves yeast's tolerance to carbon dioxide pressure, resulting in full-flavored beer. This breakthrough could lead to improved quality beer production worldwide.
Researchers developed a highly effective and safe Zika vaccine technology that prevents systemic infection in pregnant mice and stimulates an immunogenic reaction. The vaccine was tested in various mouse models, proving safe and protective against the virus.
Researchers found that bodies with lower BMI had decreased bacterial diversity, while those with higher BMI maintained constant diversity. The study suggests intrinsic factors like disease and medication load may impact microbial life in the surrounding soil.
Researchers sequenced giant viruses in the unique freshwater lake, finding a diverse community with distinct genetic repertoires. The study highlights the importance of viruses in biomass turnover and ecosystem balance, particularly in high Arctic environments.
A new study published in Applied and Environmental Microbiology suggests that oil formulations with food-grade organic acids can kill dried Salmonella on stainless steel surfaces. This approach has the potential to replace water-based cleaning methods, which promote microbial growth and are often challenging to use.
The new phage T4-COVID-19 vaccine elicits superior mucosal immunity in mice, inducing robust humoral and cell-mediated immune responses. The vaccine provides complete protection against SARS-CoV-2 variants with minimal lung lesions and no impact on gut microbiota.
A new methodology predicts soil recovery after wildfires by analyzing the impact of microbes and nutrients on soil regeneration. The study found that including uncommon soil microbiota was critical to predicting water quality and terrestrial ecosystem recovery.
New research found that coinfection with influenza A virus can significantly suppress SARS-CoV-2 replication in the lung. This effect can persist even after clearance of influenza A virus, suggesting potential factors that restrict SARS-CoV-2 growth.
Researchers found that SARS-CoV-2 surrogates can survive on meat products in the refrigerator or freezer for up to 30 days. The study used chicken, beef, pork, and salmon, as well as viruses with spikes similar to those on SARS-CoV-2.
A mouse study found significant changes in the infant gut microbiome associated with maternal oxycodone exposure. These bacterial changes are linked to alterations in metabolic pathways, suggesting a potential connection between prenatal opioid exposure and long-term health consequences.
A new study published in mSystems demonstrates that a surface sampling method can detect SARS-CoV-2 RNA on surfaces, improving environmental surveillance in public health labs.
A polio outbreak risk has been heightened in western Ukraine due to the reintroduction of wild-type poliovirus and low immunization rates. The situation has worsened with the COVID-19 pandemic, ongoing war, and healthcare reforms, leading to a public health emergency declaration.
A recent study has found that ocean plastic may be a source of novel antibiotics, with researchers isolating five antibiotic-producing bacteria from plastic debris. The isolated bacteria showed promise against commonly used and resistant bacterial strains, providing hope for an alternative solution to the growing antibiotic crisis.
Researchers developed e-bandages producing hydrogen peroxide to treat wound infections, reducing MRSA biofilm bacteria by 99 percent. This alternative method to antibiotics has the potential to improve wound healing and reduce antibiotic resistance.
Researchers found that chemical pre-treatment can help microorganisms break down plastics more quickly. The process makes carbon, oxygen, and hydrogen from the plastic's molecular structure more accessible for bacteria to use as food.
A commercial T cell test found that age and time since infection are significant factors related to the magnitude of immune responses to COVID-19. In vaccinated individuals, only increasing age was associated with poor T cell responses, while time from vaccination or type of vaccine had no effect.
Researchers evaluate Jumpcode Genomics CRISPRclean technology for transforming pandemic response through highly sensitive testing. The assay quickly identifies variant strain types and individual host responses in a single workflow.
A recent study published in mSystems found that high abundance of Lactobacillus crispatus is associated with a 40% lower risk of preterm birth, particularly in Black women. The study analyzed data from the Pregnancy, Infection, and Nutrition Study and stratified findings by race.
A new study analyzing 8 cohorts of COVID-19 patients found that antibody responses in previously infected individuals were relatively stable, providing protection from reinfection unless the new infection was the Omicron variant. Vaccination also boosted protection, with rapid immune responses observed even after a single vaccine dose.
Research found that SARS-CoV-2 relies on human transmembrane proteins, especially IFITM2, to replicate efficiently and produce infectious viruses. Antibodies targeting IFITM2 can protect lung cells from infection, suggesting a promising therapeutic approach by targeting host factors instead of viral ones.
The new report highlights the pivotal impact of microbes on climate change, with major drivers being producers and consumers of greenhouse gases. The report provides recommendations for researchers, policymakers, and regulators to harness the power of microbes in tackling climate change.
A study found that apples and other fruits can host drug-resistant, pathogenic yeasts on surfaces, including Candida auris. The fungicides used to prolong shelf life may select for these resistant strains, increasing the risk of transmission.
Researchers discovered that shorter antibiotic courses are associated with fewer antibiotic resistance genes in children, but also found increases in resistance to other antibiotics. The study suggests that treatment duration can impact the microbiome and increase susceptibility to other pathogens.
Genetic testing of saliva samples has been shown to be more quick and sensitive than nasal swab testing for detecting SARS-CoV-2 virus, with implications for improving public acceptance of COVID-19 testing and reducing healthcare worker risks
A study found that double vaccinated individuals generate a potent and broad neutralizing antibody response after a delta breakthrough infection. This response provides protection against current variants of concern, including omicron.
A new study found that molds and yeasts are more prevalent in daycare centers than outside environments. The indoor mycobiome is influenced by factors such as building features and child density, suggesting a potential link between fungi and chronic respiratory diseases like asthma and allergies.
Researchers engineered Azotobacter vinelandii to produce ammonia and excrete it into crop plants, reducing water pollution. This approach could mitigate environmental pollution and provide sustainable solutions for nitrogen management in soil.
A combined treatment strategy targeting SARS-CoV-2 symptoms and severe lung tissue injury is essential to minimize lung sequelae. Researchers are exploring therapy using lung epithelial stem and progenitor cells to mitigate virus-induced inflammatory storm and promote tissue regeneration efficiently.
Researchers have identified two new compounds that can inhibit the replication of human herpesviruses by targeting specific enzymes. This breakthrough offers new opportunities for developing agents against herpesviruses, which are currently difficult to treat effectively.
Researchers found that the way a newborn is fed affects its oral bacteria makeup, with exclusively breastfed infants sharing fewer maternal bacteria than those fed formula or a combination of both. This suggests that breast milk may play a role in regulating the mother-derived oral bacterial colonization.
Researchers found that compost and compost-enriched soils contain high concentrations of Aspergillus fumigatus spores, which can cause serious lung infections. Handling compost exposes individuals to large numbers of aerosolized spores, highlighting the need for behavioral changes and industry action
Researchers report that combining infection and vaccination produces high-quality antibodies effective against COVID-19 variants. The study found that prior-infected individuals who received a vaccine had potent antibodies against new variants, contrary to previous findings suggesting reduced potency.
Researchers discovered a phage that kills Shigella flexneri bacteria and selects for mutant strains with reduced virulence. The phage targets the OmpA receptor on the bacterium, eliminating or reducing its ability to spread in the human intestine.
Researchers found that omitting or altering the buffer solution can generate false positive results, highlighting its essential role in test function. The study's findings have far-reaching implications for public health worldwide, as the rapid antigen test has been distributed to over 120 countries.
Leaders of high-containment labs argue for a nuanced approach to regulation, drawing from existing practices and considering human and financial costs. They advocate for organizational leaders to take responsibility for lab safety and security, reducing the need for government-level oversight.
Pooled saliva sample COVID-19 testing demonstrated over 95% agreement with the gold standard and detected 83% of semester's cases. The approach is among the most sensitive available, detecting virus at very low viral load, and provides results in under 8 hours.
Researchers have identified a potential advantage of weakened SARS-CoV-2 variants as immunogens, sparking interest in their use for live-attenuated vaccines. The variants, which emerge rapidly during cell culture propagation, show resistance to subsequent infection with both the parental strain and emerging variants.
A team from Beth Israel Deaconess Medical Center created all-new swabs for COVID-19 testing in just three weeks by leveraging open-source collaboration and 3D printing. The swab crisis highlighted the importance of cooperation, openness, and scalability in solving complex problems.
New research in monkeys reveals T cell depletion does not induce severe disease. Despite this, strongly depleted macaques still develop potent memory responses to a second infection. The study's findings suggest antibody responses are more critical for protection by vaccination.
Researchers have developed a new technique, native state mass spectrometry, to identify effective inhibitors against antibiotic-resistant bacteria. This approach analyzes the behavior of metallo-beta-lactamase inhibitors and could lead to the development of novel treatments for resistant infections.