Research suggests that food can be an important avenue for antibiotic-resistant bacterial evolution and dissemination through horizontal gene transfer with commensal bacteria. Many food samples tested contained antibiotic-resistance gene-carrying bacteria, highlighting the prevalence of these microbes in the retail food supply.
Researchers have identified a bacterium that repels a deadly fungus causing worldwide amphibian deaths and extinctions. The discovery could lead to procedures for 'vaccinating' endangered populations.
High-salt diets may increase the risk of severe gastric disease by inducing gene activity in H. pylori, making it more virulent. The study found that bacterial cells exposed to high salt concentrations exhibited morphological changes and increased transcription of virulence genes.
Rising global temperatures are expected to alter infectious disease patterns, with increased transmission of diseases like malaria and influenza. Climate change is also linked to water-borne diseases, as extreme weather events strain aging infrastructure.
The LA Times reporters were recognized for their outstanding journalistic achievement in raising public awareness about human-caused ocean microbiological changes. Their 5-part series, Altered Oceans, explained how overfishing and waste dumping are creating a biological imbalance in the world's oceans.
Researchers have found that monochloramine treatment is less reactive and less efficient than traditional chlorination in killing bacterial contaminants. This means that municipalities with monochloramine systems may need to rely on other methods of monitoring for contamination.
Researchers develop biodegradable vaccine delivery system that stimulates cellular-mediated immunity and enhances antibody response. The microsphere formulation could lead to single-dose vaccines for diseases requiring booster shots.
Researchers compared the immune responses of animals infected with 1918 and H5N1 influenza viruses, finding similar yet distinct reactions. The study aims to better understand how these viruses cause disease and develop new treatments.
Research reveals that non-pathogenic bacteria from cow manure share antibiotic-resistance genes with multi-drug resistant Salmonella strains on the same farm. Ecology appears to play a major role in the spread of drug resistance, rather than therapeutic antibiotic use.
Researchers have identified four key genes in Porphyromas gingivalis that allow it to infect and survive inside artery cells. The study found that mutating these genes impaired the bacterium's ability to invade cells, providing a potential target for therapeutic interventions.
Researchers detected viable bacterial and fungal populations in air samples from a research ship during May-June 2003. DNA analysis revealed matches to dust-borne isolates in Mali, suggesting transatlantic transport of pathogens.
Outbreaks linked to unpasteurized orange juice have been on the rise since the mid-1990s. Recent research suggests that this type of orange juice can still carry Salmonella bacteria, highlighting the need for consumers to look for pasteurized options.
Researchers discover bacteria can transfer electrons through biofilms using conductive protein filaments, increasing power production. Genetically engineered bacteria can ferment cellulose biomass to ethanol with high yield.
A recent study from Thailand found a significant association between bocavirus (HBoV) and lower respiratory tract infections (LRTI) in young children. HBoV was detected in over half of hospitalized patients under one year old, highlighting the need for further research to understand the virus's role in human disease.
Between 1998 and 2002, risky food consumption decreased significantly, from 31% to 21%. Runny eggs were the most frequently consumed risky food. Targeted outreach is needed for high-risk groups.
A recent study has outlined the genetic differences between two potential pandemic influenza strains of H5N1, revealing increased genetic diversity and a higher risk of human transmission. The research found that the viruses belong to genotype Z, with one strain being more virulent than others.
Researchers found that feeding animals, touching them, and failing to wash hands after visiting petting zoos are strongly linked to E. coli O157:H7 infections. Simple handwashing was shown to be an effective preventive measure against infection.
Researchers found that anthrax spores can tolerate water treatment and attach to pipes, potentially allowing them to pass through the system. Higher chlorine concentrations were more effective in killing the spores, but at high levels could make water undrinkable.
A new experimental TB drug, FAS20013, has demonstrated effective treatment against both resistant and latent mycobacterium tuberculosis. The compound's potent killing activity targets slow-growing mycobacteria without enhancing resistance, offering a potential breakthrough in treating MDR-TB with up to 80% fatality rate.
Researchers found that acidifying bleach with vinegar significantly improves its ability to kill bacterial spores. The study compared the effectiveness of alkaline and acidified bleach dilutions in disinfecting surfaces contaminated with dried Bacillus anthracis spores, finding that acidified bleach was virtually effective.
A new influenza vaccine using a purified protein from the virus's surface has been developed, showing safety and immunity equal to traditional egg-based vaccines. The vaccine is expected to be produced within 4 weeks and at a cost comparable to traditional methods, providing a significant advantage in fighting potential pandemics.
Researchers have developed a method to rapidly diagnose bioterrorism-related diseases by analyzing gene patterns in white blood cells. This technology, which uses mathematical modeling tools, can identify specific changes in gene expression within 2 hours of exposure, allowing for early diagnosis and treatment.
The study found oleanolic acid inhibited the growth of Streptococcus mutans and Porphyromonas gingivalis, two species associated with caries and gum disease. Raisins' phytochemicals may counter a public perception that they promote cavities.
Researchers found that bacteria dominate Cava wines after yeast fermentation, affecting aroma, flavor and bubble size. The products released by yeast cells serve as nutrients for bacterial growth, influencing sensory quality and consumer acceptability.
Researchers have discovered a bacterium that can generate electricity from fuel sources, providing a potential solution for sustainable energy. This unique capability makes the bacterium useful for reclamation of wastewaters and removal of waste, with potential applications in future microbial fuel cell designs.
Researchers found that adding shampoo detergent, cetavlon, to varnish creates a self-sterilizing surface. The coating kills microbes within seconds of application and remains effective for up to 5 months.
Researchers found that cranberry juice inhibited the attachment of intestinal viruses to red blood cells and infected host cells. The study suggests a potential antiviral effect of cranberry juice on selected intestinal animal viral disease-producing agents, but human trials are needed to confirm its benefits.
Researchers found that MRSA bacteria can survive on hospital surfaces like bed linen, keyboard covers, and acrylic fingernails for extended periods. The study emphasizes the importance of regular hand washing and environmental disinfection in healthcare settings.
Researchers have developed a new processing method that significantly reduces the detectable level of major peanut allergenic proteins by as much as 70%. This method enables complete modification of allergenic proteins into non-allergenic and readily soluble proteins, benefiting individuals with peanut allergies.
Researchers identified two strains of lactobacillus that can trap and block HIV, potentially providing a safe and cost-efficient method for preventing its spread. The technology could be used to protect infants and women in poor countries via fermented foods or feminine products.
Researchers developed plant-derived antibodies that protect against anthrax infection, providing immediate protection and a safe alternative to traditional vaccination methods. The plant-produced antibodies can be used before or after exposure and are stable for long periods, making them an attractive solution for stockpiling.
Researchers have discovered that treated fabric can effectively kill anthrax spores, a significant finding in the field of antimicrobial textiles. The treatment shows promise for various applications, including clothing and outdoor gear, providing a potential solution for exposure to microorganisms.
Researchers have developed a new technology that analyzes breath to detect cytokines, proteins released by cells during an infection. In studies on pigs and human-exhaled breath samples, they were able to identify elevated cytokine levels in infected individuals before visible symptoms appeared.
The study found that LC16m8, an attenuated smallpox vaccine, had a 100% take rate and was well-tolerated with no cardiac toxicity detected. This breakthrough offers hope for introducing a safer and more effective smallpox vaccine to the US market.
A new influenza vaccine developed using insect cells can produce a strong immune response in humans and may be scaled up for commercial manufacture. This rapid method uses a purified concentration of hemagglutinin to elicit an immune response against specific flu strains.
Researchers have found that nisin can effectively neutralize both anthrax and Bacillus cereus spores. The natural antimicrobial peptide has been shown to remain dormant on treated spores, preventing germination and disease in mice. Further development of nisin-based formulations for human skin decontamination is underway.
Researchers have identified viral proteins that can kill specific bacteria, such as Streptococcus pneumoniae and Staphylococcus aureus, which cause various infections. These enzymes can be delivered orally or nasally to decolonize individuals in high-risk settings.
Researchers found that fig extracts inhibited the growth of E.coli and Salmonella bacteria, while control samples showed increased bacterial loads. The findings could lead to the use of fig extracts as a natural additive in processed foods.
Researchers discovered a previously unknown microbial community in Mayan ruins that breaks down limestone from the inside out. The dominant Actinobacteria population on the interior surfaces degrades the stone as it grows, challenging conventional disinfection methods.
Researchers found that several plant materials and extracts inhibited the growth of harmful bacteria when introduced into bird nests. These findings suggest that parent birds may be using medical botany as a form of effective home nest security to protect their offspring from disease.
Researchers found that antibiotic therapy can promote allergic airway responses in mice, particularly when Candida albicans colonization occurs. The study suggests a potential link between antibiotic use and human allergies.
Researchers discover tiny microbes in ancient Greenland glacier that are smaller than common bacteria and can survive extreme conditions. These ultra-small cells have been found to be among the uncultured majority of microbes on Earth and hold secrets to their survival mechanisms.
A new study by the American Society for Microbiology reveals that white tea extract is more effective than green tea at inactivating bacterial viruses and has an anti-fungal effect on certain fungi. The addition of white tea to toothpastes enhances their anti-microbial properties.
Researchers used naturally occurring bacteriophage to treat chickens infected with campylobacter, resulting in a significant reduction of bacteria. The effectiveness of the treatment depended on the specific bacteriophage and dose administered.
Researchers found that insulin and glucose in type-2 diabetics' urine increases E. coli's adherence, leading to a greater risk of UTIs. Insulin also affects the bacteria's surface characteristics, potentially providing some protection against antibiotics.
Researchers identified six Lactobacillus strains capable of binding to the HIV envelope, inhibiting infection and potentially blocking transmission. The bacteria also bound to immune cells, causing them to clump and immobilize any infected cells.
Nearly half of clinicians' neckties contained disease-causing bacteria, posing a significant risk to patient health. The study raises questions about the benefits of wearing neckties in healthcare settings.
Researchers have developed a new vaccine strategy using live, crippled Salmonella bacteria that stimulate immunity to multiple pathogens. The vaccine protected mice 100% against lethal doses of both S. typhimurium and Listeria monocytogenes.
A recent study challenges previous fears that triclosan contributes to antibiotic resistance. Researchers found only two types of bacteria, E. coli and Klebsiella, developed resistance to triclosan in a laboratory setting.
John Alderete, a renowned microbiologist, has been recognized with the 2004 William A. Hinton Research Training Award for his tireless efforts to promote diversity in science. He is celebrated for mentoring dozens of graduate students and underrepresented minority groups, offering valuable advice and career opportunities.