The hemagglutinin (HA) and neuraminidase (NA) glycoproteins of the influenza virus particle serve distinct functions during infection. The HA binds sialic acid-containing cellular receptors and mediates fusion of the viral and cell membranes, while the NA removes sialic acids from glycoproteins.... Read More
Host: Vincent Racaniello
Guests: Read More
Saudi Arabia says one more person has died from a new respiratory virus related to SARS, bringing to 55 the number of deaths in the kingdom at the center of the outbreak.
The Health Ministry said Sunday that the 37-year-old man died in Riyadh. He was among 130 people who have been infected wi... Read More
Food transit through the small intestine affects the body's absorption of nutrients and, consequently, our health. The discovery that food transit time is regulated by a hormone indicates new ways to increase the intestinal absorption of nutrients, and thus potentially treat malnutrition.
One... Read More
Slowly over the past year, a novel respiratory virus has claimed victims in the Middle East, primarily in Saudi Arabia. It comes from a species known as coronavirus, which, through an electronic microscope, looks like a spiky blob. The virus has been named Middle East respiratory syndrome, or ME... Read More
After spending months working on a series of stories about the trillions of friendly microbes that live in and on our bodies, I decided it might be interesting to explore my own microbiome.
So I pulled out my credit card and paid the $99 needed to sign up for the American Gut Project, one of ... Read More
The Kartchner caverns in southeast Arizona are famous for their spectacular limestone rock formations, created by groundwater seeping and dissolving bedrock compounds over thousands of years. For all their beauty, the caverns are extremely harsh environments with no sunlight and precious little ... Read More
You'll need a strong stomach to walk into a new exhibit open at the Dublin Science Gallery: On display are cheeses cultured from the body bacteria of celebrities from the realms of science, food and art.
Eleven "cheese portraits" include a farmhouse cheese, a washed rind, a natural rind, a w... Read More
Why are these scientists in hazmat suits smiling? They're standing in a field that they are about to spread with raw manure – four different kinds of raw manure, to be exact.
Michele Jay-Russell, a University of California, Davis food safety scientist, posted the above picture on Twitter last... Read More
Sheldon Campbell sings about microbiology. Dr. Campbell teaches microbiology at Yale School of Medicine and he uses music to enhance his lectures. He has one song for every block of lectures he gives on a major topic.
<... Read More
There is much that should be remembered about those days of intensive exploratory work and much of it using very simple methods and instruments. There was a remarkable amount of sharing of current work and results without much concern for primacy, which was automatically recognized. Communicatio... Read More
Scanning electron micrograph of Yersinia pestis, which causes bubonic plague, on proventricular spines of a Xenopsylla cheopis flea. Credit: National Institutes of Health/Department of Health and Human Services (NIAID) Read More
Biologists dissected tissue samples from an oarfish carcass found in California and discovered the creature was hosting quite a few parasites.
“Our findings say that these are actually majorly parasitized fish,” says Armand Kuris, professor of zoology at the University of California, Santa Ba... Read More
A fungus that decimates white pines has mutated and can now infect immune and resistant plants, say researchers.
This change is alarming to researchers, growers, loggers, and forest managers.
White pine blister rust (WPBR) infects white pines and Ribes, a plant genus that include gooseberr... Read More
Two studies published in the December issue of Infection Control and Hospital Epidemiology show antibiotic resistance patterns for children have held stable over a seven-year period and surgical patients in U.S. children's hospitals account for 43 percent of all antibiotic use in children's hosp... Read More
An international group of scientists led by Tim Anderson Ph.D., at the Texas Biomedical Research Institute and Philip LoVerde Ph.D., at the University of Texas Health Science Center at San Antonio has identified the mutations that result in drug resistance in a parasite infecting 187 million peo... Read More
Scientists have identified a potential way to improve future flu vaccines after discovering that seasonal flu typically escapes immunity from vaccines with as little as a single amino acid substitution. Additionally, they found these single amino acid changes occur at only seven places on its su... Read More
New recommendation encourages physicians to prescribe _antibacterials_ instead of antibiotics for bacterial infections. This recommendation is based on compelling evidence that the word "antibiotic" confuses almost everyone, including some doctors. The confusion leads to strong patient demands... Read More
Scanning electromicrograph of Staphylococcus aureus bacteria. Credit: National Institutes of Health/Department of Health and Human Services (NIAID). Read More
A woman who tested positive for hepatitis C after potentially coming into contact with a hospital worker who had the virus is worried she infected her family.
Angela Richards, from Caerphilly, has been told the virus is no longer present and it could not be confirmed whether she had been infe... Read More