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Finding E.coli in beef faster

Infrared spectroscopy can detect E. coli faster than current testing methods, and can cut days off investigations of outbreaks, according to a study at Purdue University.

Lisa Mauer, an associate professor of food science, detected E. coli in ground beef in one hour using Fourier transform in... Read More

Treatment for S. Aureus Skin Infection Works in Mouse Model

Scientists from the National Institutes of Health and University of Chicago have found a promising treatment method that in laboratory mice reduces the severity of skin and soft-tissue damage caused by USA300, the leading cause of community-associated Staphylococcus aureus infections in the Unit... Read More

From unpleasant infection to flesh-eater: Three virulence factors help Group A Strep make the switch

Group A Streptococcus (GAS) is responsible for infections ranging from “strep throat” to necrotizing fasciitis, aka the “flesh-eating disease”, a severe and invasive condition that has seen a marked increase in incidence in the past 30 years. The increase has been pinned on a single clone of th... Read More

Foursquare, MTV to reward STD checkups with badge

You can "check in" to restaurants and bars, so how about health clinics while you get tested for sexually transmitted diseases?

Foursquare, the online application people use to tell their friends and strangers where they are, is offering a special virtual "badge" through September to people w... Read More

'Biosensors' on Four Feet Detect Animals Infected With Bird Flu

Blood hounds, cadaver dogs, and other canines who serve humanity may soon have a new partner ― disease detector dogs ― thanks to an unusual experiment in which scientists trained mice to identify feces of ducks infected with bird influenza. Migrating ducks, geese, and other birds can carry and s... Read More

Got E. coli? Raw Milk's Appeal Grows Despite Health Risks

Milk is well known as a great dietary source of protein and calcium, not to mention an indispensable companion to cookies. But "nature's perfect food," a label given to milk over time by a variety of boosters, including consumer activists, government nutritionists and the American Dairy Council... Read More

Plasmalogens Have Evolved Twice

Howard Goldfine, Professor of Microbiology at the University of Pennsylvania School of Medicine, has authored a new post on Small Things Considered that looks at the interesting evolution of plasmalogens from anaerobes to plant and animal cells.

"Plasmalogens appeared early, but did not survi... Read More

Appeals court rejects autism vaccine link

A federal appeals court on Friday upheld a ruling that vaccines are not to blame for autism.

The U.S. Court of Appeals for the Federal Circuit upheld a decision last year by a special vaccine court, which concluded there's little if any evidence to support claims of a vaccine-autism link.

... Read More

Researchers Beaming at Light's Medical Uses

Using beams of light for diagnosis and monitoring disease may sound like something out of science fiction.

But scientists at the Massachusetts Institute of Technology are trying to use light so people with Type I diabetes can test their blood sugar levels with light, instead of with a needle,... Read More

Minimal dairy antibiotics reach groundwater

A wide range of antibiotics given to dairy cows routinely end up on the ground and in manure lagoons, but are mostly broken down before they reach groundwater, according to a new study.

The findings should help alleviate longstanding fears that dairy farms, and the fields fertilized with thei... Read More

Africa: Monkeypox Cases Surge in Rural Areas as Price of the Victory Over Smallpox

The world’s victory over smallpox has had an unfortunate consequence: monkeypox cases are surging in tropical Africa.

The disease is related to smallpox, though usually less serious, although in rare cases, it too can kill, blind or scar victims. Also, it is much less likely to jump between p... Read More

Salmonella typhimurium

Under a magnification of 2500X, this colorized scanning electron micrograph (SEM) revealed the presence of a large number of Gram-negative Salmonella typhimurium bacteria that had been isolated from a pure culture. See PHIL 10984 for a black and white version of this image. Read More

Experiment forces bacteria into a head-to-head competition for evolutionary dominance

A unique experiment at Rice University that forces bacteria into a head-to-head competition for evolutionary dominance has yielded new insights about the way Darwinian selection plays out at the molecular level. An exacting new analysis of the experiment has revealed precisely how specific genet... Read More

Antibacterial agents may be raising greenhouse gas levels

Smelly feet may be the price we have to pay for saving the planet. A new study reported by New Scientist has discovered that nanoparticles commonly found in antibacterial socks may be inadvertently raising levels of greenhouse gases.

Researchers are concerned that silver nanoparticles - anti... Read More

N.Y. lawmakers hatch plan to require salmonella vaccinations

Two New York lawmakers want farmers to vaccinate their chickens against salmonella, The Associated Press reported.

Sen. Daniel Squadron and Assemblyman Brian Kavanagh announced their proposal in response to the nationwide recall of more than half a billion eggs linked to nearly 1,500 cases of... Read More

Study points to key genetic driver of severe allergic asthma

Scientists have identified a genetic basis for determining the severity of allergic asthma in experimental models of the disease.

The study may help in the search for future therapeutic strategies to fight a growing medical problem that currently lacks effective treatments, researchers from C... Read More

New Theory on the Origins of Life Gains Support

The question of where and how life on Earth started has been with humans ever since the earliest days. Numerous shamans, witches, alchemists, priests and scientists attempted to uncover the answer, but their ideas and proposals oftentimes failed to produce any evidence of what they were arguing ... Read More

Wheat and apple DNA sequenced, providing clues that may help eliminate famine

An apple a day keeps the doctor away, but can knowing its genetic secrets help feed the 9 billion people expected on this planet by 2050? Scientists hope so, especially considering they have added wheat this week to the list of crops that have had their genetic instruction set read.

Wheat, w... Read More

How does E. coli stay so young-looking? Bacteria have fountain of youth

They say Ponce de Leon looked for the Fountain of Youth in Florida, but he might have saved himself some trouble by looking a bit closer to home. A study just released by mBio links an enzyme present in almost all organisms to the reduction of age-related products called Amadori-modified protei... Read More

Bacteria seem to be doing a good cleanup job in gulf

As efforts continue to clean the oil that gushed from the blown-out well in the Gulf of Mexico, a team of scientists has found that nature's microbial helpers are hard at work too — and doing a better job than researchers had expected.

Data collected in May and June showed populations of carb... Read More
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