Past coronavirus infections don’t seem to help with SARS-CoV-2
Neither T nor B cells seem to use memory of one virus to attack the other. Enlarge / False color image of viruses attached to a cell's surface. (credit: NIAID) While the SARS-CoV-2 virus is new to humans, coronaviruses in general aren't. There.....»»
Stem cells "migrate" to repair damaged lung cells, study shows
A new Yale-led study has found that stem cells migrate to help repair damaged lung cells caused by injuries such as viral or bacterial infections......»»
Pharmacists propose ways to increase the activity of levofloxacin and overcome bacterial resistance
The antibacterial drug levofloxacin is used to treat pneumonia, sinusitis, genitourinary infections, and other diseases. It is included in the WHO Model List of Essential Medicines. In terms of its chemical structure, it is a third-generation fluoroq.....»»
Newly discovered bacterial defense system functions as self-destruct button
Wageningen researchers have discovered a molecular self-destruct mechanism in a bacterium living on seaweed. With this mechanism the bacteria sacrifice themselves when they are infected, thus protecting their brothers and sisters from infections. By.....»»
Can you sanitize the inside of your nose to prevent COVID? Nope, FDA says.
There are a lot of COVID nasal sprays for sale, but little data to show they work. Enlarge (credit: Nozin.com) More than four years after SARS-CoV-2 made its global debut, the US Food and Drug Administration is still wor.....»»
A Virus Found in Wastewater Beat Back a Woman’s ‘Zombie’ Bacteria
Viruses called phages are a promising treatment option for bacterial infections when antibiotics stop working, but they have limitations......»»
Pesticides to help protect seeds can adversely affect earthworms" health
While pesticides protect crops from hungry animals, pesky insects, or even microbial infections, they also impact other vital organisms, including bees and earthworms. Now, research published in Environmental Science & Technology Letters reveals that.....»»
Fungicide resistance: A threat to the health of humans, animals and plants
Fungi can cause disease in humans, animals and plants. Every year, 1.5 million people die from fungal infections, and fungal attacks in food crops threaten food production. To protect ourselves, we have developed chemical agents—in the form of medi.....»»
Research team identifies new approach to tackling bacterial infections
Researchers at the Icahn School of Medicine at Mount Sinai have identified a new approach to controlling bacterial infections. The findings are described in Nature Structural & Molecular Biology......»»
Research finds resin destroys coronavirus on plastic surfaces
Researchers at the University of Jyväskylä, Finland, are currently developing anti-viral surfaces to decrease the spread of infectious diseases. A recent study published in Microbiology Spectrum found that a resin ingredient is effective against co.....»»
Synthetic antibacterial minerals combat topical infections
The development of new antibiotics has stalled—new strategies are needed as the world enters the age of antibiotic resistance. To combat this challenge, Lawrence Livermore National Laboratory (LLNL) scientists have found that synthetic antibacteria.....»»
Study finds commensal gut bacteria develop resistance in response to antibacterial treatment
An international team of microbiologists and immunologists has found that commensal gut bacteria develop resistance to antibacterial therapies for infections. In their study, reported in the journal Science Translational Medicine, the group monitored.....»»
DNA particles that mimic viruses hold promise as vaccines
Using a virus-like delivery particle made from DNA, researchers from MIT and the Ragon Institute of MGH, MIT, and Harvard have created a vaccine that can induce a strong antibody response against SARS-CoV-2......»»
Why surface materials matter in health care settings
Health care facilities serve as havens for patients seeking treatment for disease and injury. However, they can also be home to a hidden world of microbes, lurking in places and devices that lead to life-threatening infections......»»
Fungal infections affect pine trees" ability to ward off mountain pine beetles
University of Alberta research provides new insight into how harmful fungal infections could affect the ability of lodgepole pines to defend themselves from deadly mountain pine beetle attacks......»»
New tool reveals gene behavior in bacteria
Bacterial infections cause millions of deaths each year, with the global threat made worse by the increasing resistance of the microbes to antibiotic treatments. This is due in part to the ability of bacteria to switch genes on and off as they sense.....»»
Nanoparticle spray reduces risk of airborne bacterial infections caused by air filtration systems
A novel nanoparticle spray coating process has been shown to all but eliminate the growth of some of the world's most dangerous bacteria in air filtration systems, significantly reducing the risk of airborne bacterial and viral infections......»»
Study reveals how some bacterial infections become chronic
In the early 1900s, a cook named Mary Mallon, better known as "Typhoid Mary," spread Salmonella Typhi, the causative agent of typhoid fever, to dozens of her patrons even though she showed no symptoms. Many people today harbor pathogenic Salmonella b.....»»
Study finds S. aureus" surface-sticking ability not evenly distributed over cell envelope
Infections caused by the bacterium Staphylococcus aureus have a significant impact on human health, with tens of thousands of hospital patients dying every year from infections due to the S. aureus "superbug." Stopping the spread of bacteria like S......»»
Scientists make COVID receptor protein in mouse cells
A team of scientists at the U.S. Department of Energy's (DOE) Brookhaven National Laboratory and Columbia University has demonstrated a way to produce large quantities of the receptor that SARS-CoV-2, the virus that causes COVID-19, binds to on the s.....»»
Kaspersky releases utility to detect iOS spyware infections
Kaspersky’s researchers have developed a lightweight method to detect indicators of infection from sophisticated iOS spyware such as NSO Group’s Pegasus, QuaDream’s Reign, and Intellexa’s Predator through analyzing a log file crea.....»»