Viruses are obligate intracellular parasites, which means that they must enter a cell to reproduce. As virions are too large to diffuse passively across the plasma membrane, cellular pathways for uptake of extracellular materials provide entry routes. The first step in entry is adherence of viru... Read More
Ancient antimicrobial treatment could help to solve modern bacterial resistance. Like werewolves and vampires, bacteria have a weakness: silver. The precious metal has been used to fight infection for thousands of years — Hippocrates first described its antimicrobial properties in 400 bc — but h... Read More
The mysterious SARS-like virus that appears to be originating in the Middle East has claimed two more victims after people died from the infection in Germany and in Britain.
Their deaths brings to 11 the number of fatalities attributed to the virus, and six others have been determined to have... Read More
Scanning electromicrograph of Staphylococcus aureus bacteria. Credit: National Institutes of Health/Department of Health and Human Services (NIAID). Read More
It's easy to forget just how far medicine has progressed. While we may worry about the spread of infectious diseases like avian flu or meningitis today, those pathogens have nothing on fearsome pandemics in the distant past like the Plague of Justinian, which killed over 100 million people from ... Read More
A rising percentage of parents say they won't have their teen daughters vaccinated to protect against the human papilloma virus, even though physicians are increasingly recommending adolescent vaccinations, a study by Mayo Clinic and others shows. More than 2 in 5 parents surveyed believe the HP... Read More
Sara Volz won the Intel Science Fair for her work on growing algae that's more efficient at making biofuels--and she does all her work in her bedroom.
Every year, the Intel Science Talent Search honors brilliant high school students for their contributions to the worlds of math and science. L... Read More
Relapsing clostridium difficile infection (CDI) is a disease that patients face after being medicated with antibiotics that damage their microbiota. A recent and effective treatment to eradicate this condition is known as “fecal material transplant” (FMT), where a healthy human will donate a sam... Read More
For reasons that still aren't well understood, bacteria proliferate in microgravity. Creating a potential recipe for disaster for humans stationed in space for long periods, bacteria's love of low-g also raises an intriguing question: Why are they so comfortable there?
Click on source for ful... Read More
Pop culture is again in the quickly decaying grasp of a shambling horde. For how many times zombies have appeared, they rarely have a real scientific reason to. Sometimes it’s a supernatural cause as in Dawn of the Dead. Other times it’s a generic “zombie virus” as in The Walking Dead (though at... Read More
In the search for new antibiotics, researchers are taking an unusual approach: They are developing peptides, short chains of protein building blocks that effectively inhibit a key enzyme of bacterial metabolism. Now, scientists at the Helmholtz Institute for Pharmaceutical Research Saarland (HIP... Read More
A new federal report blames a combination of problems for a mysterious and dramatic disappearance of U.S. honeybees since 2006.
The intertwined factors cited include a parasitic mite, multiple viruses, bacteria, poor nutrition, genetics, habitat loss and pesticides.
The multiple causes mak... Read More
The overuse of antibiotics has caused three kinds of bacteria, including one that causes life-threatening diarrhea, one that causes bloodstream infections and one that transmits sexually, to become urgent threats to human health in the United States, federal health officials say in a landmark re... Read More
In Bolivia, in the largest continuous salt desert in the world, researchers from the Polytechnic University of Catalonia have found a bacterium that stores large amounts of PHB, a prized polymer. This biodegradable plastic is used by the food and pharmaceutical industries, for example to produce... Read More
Dr. Robert Kelley writes:
Dear Twim Docs,
I just finished listening to the latest episode it Twim on the microbiote's effects on obesity. There was discussion about the use of donor feces in the treatment of human disease. I thought this might be of interest.<... Read More
There are many reasons why bacteria evolve resistance to antibacterials, but one of the preventable reasons is the over-prescription of antibacterials to patients who don't have bacterial infections. But how to get people to stop asking for antibacterials? My suggestion is to stop using the wor... Read More
A Poughkeepsie high school senior died suddenly, after he was bitten by a tick and contracted a severe virus.
As CBS 2’s Jennifer McLogan reported, Joseph Elone’s family said doctors had been treating their son for a summer cold – until he collapsed on the front lawn.
Elone, 17, was actual... Read More