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Antibodies with More “Hang Time” May Give Researchers a Jump on New HIV Vaccine Strategy

Researchers are inching their way toward a new HIV vaccine strategy by studying the cells of people who have naturally—and bafflingly—strong immune defenses against the virus.

Last year, Howard Hughes Medical Institute investigator Michel C. Nussenzweig's team figured out how to isolate key ... Read More

Compound discovered in Florida Keys shows early promise as colon cancer treatment

A chemical compound made from a type of bacteria discovered in the Florida Keys by a University of Florida pharmacy researcher has shown effectiveness in fighting colon cancer in preclinical experiments.

Writing online in the Journal of Pharmacology and Experimental Therapeutics, scientists ... Read More

Defense Department Responds to ‘Superbug’ Threat

The military has been a leader in recognizing and protecting against the spread of multidrug-resistant organisms, commonly known as “superbugs,” defense officials told Congress members yesterday.

"DOD has been actively engaged in measures to screen, surveil, prevent and control infection in m... Read More

Alarming Uptick of Deadly Superbugs in Hospitals

America's hospitals are places of healing and hope. But they're also home to a growing threat. You may have heard of MSRA - a dangerous infection that can often be treated with antibiotics. Now there's a new class of superbugs - infections striking patients with little or no effective treatment ... Read More

Detecting viral proteins in infected cells or tissues by immunostaining

Many virological techniques are based on the specificity of the antibody-antigen reaction. Examples in our virology toolbox include western blot analysis and ELISA. While very useful, these methods cannot be used to visualize viral proteins in infected cells or tissues. To do that we must turn t... Read More

U.S. apologizes for syphilis experiment in Guatemala

The United States apologized on Friday for an experiment conducted in the 1940s in which U.S. government researchers deliberately infected Guatemalan prison inmates, women and mental patients with syphilis.

In the experiment, aimed at testing the then-new drug penicillin, inmates were infecte... Read More

Experimental genital herpes vaccine fails major clinical trial

An experimental vaccine designed to block genital transmission of herpes viruses from men to women has failed a major clinical trial aimed at obtaining manufacturing approval, researchers said Thursday. Because of the failure, the vaccine's manufacturer, GlaxoSmithKline, said it will abandon any... Read More

New Innovator Awards for Stanford Professor

Bacteria have a way of sticking together. Lynette Cegelski, a Stanford assistant professor of chemistry, wants to unwind the secrets of exactly how they do it, the better to combat bacterial diseases.

Her research efforts just got a big boost – $1.5 million worth. She is one of three Stanford... Read More

How Salmonella Bacteria Spread in Humans

New findings by National Institutes of Health scientists could explain how Salmonella bacteria, a common cause of food poisoning, efficiently spread in people. In a study published this week in the Proceedings of the National Academy of Sciences, researchers describe finding a reservoir of rapid... Read More

Getting bacteria to do a plant’s job

Throughout human history, plants have been a source of potent medicines, including many cancer drugs discovered over the past few decades. However, it is quite difficult to discover such drugs and obtain them in large quantities from the plants or through chemical synthesis.

MIT researchers a... Read More

Clagary researchers find better oilsands bacteria

Billions of bacteria are hard at work helping "densify" oilsands tailings ponds at mine sites near Fort McMurray, a crucial step in the difficult and lengthy process of separating water from fine particles.

The trouble is many of these bacteria also generate methane, a greenhouse gas associat... Read More

New TB Pathogen Discovered

Kathleen Alexander, associate professor of wildlife in Virginia Tech's College of Natural Resources and Environment, has discovered a novel tuberculosis (TB) species in the Mycobacterium tuberculosis complex, a group of pathogens that have adapted by using mammals as hosts. It has been nearly tw... Read More

ASM Announces Continued Support of ASM/NSF Biology Scholars Program Initiative

A $600,000 award from the National Science Foundation has been made to the American Society for Microbiology (ASM) to expand the Biology Scholars Program, a national leadership initiative for college faculty to improve undergraduate biology education based on evidence of student learning. In jus... Read More

Swine Flu Patients Benefited from Taking Tamiflu, Says Study

Healthy people who caught swine flu during the 2009 pandemic may have been protected against developing radiographically (x-ray) confirmed pneumonia by taking the antiviral drug oseltamivir (Tamiflu), concludes a study of cases in China published online in the British Medical Journal.

The res... Read More

Beware kitchen towel: hygiene group

The dirtiest item in Canadian homes is the kitchen towel, according to a study on hygiene released on Tuesday.

The study was conducted by the Hygiene Council, a group of international experts in microbiology, virology, infectious diseases, immunology and public health. Funded by Reckitt Benck... Read More

CDC chief picks 6 'winnable battles' in health

Where would you start if you were charged with keeping the nation healthy? Dr. Thomas Frieden, director of the Centers for Disease Control and Prevention, has chosen six priorities — winnable battles, he calls them.

They are smoking, AIDS, obesity/nutrition, teen pregnancy, auto injuries and ... Read More

Targeting amyloid to stop HIV

Amyloid protein structures are best known for the troubles they pose in the brains of Alzheimer's patients. Now researchers are trying to exploit their presence in a very different place - in semen - to find a new way to stop HIV.

Scientists have created a substance that targets amyloid struc... Read More

TB cases decline, but drug-resistant TB now a risk

The rate of tuberculosis infection in the United States has been going down because of prevention and treatment efforts, but the country may now be more susceptible to new nastier drug-resistant form, according to Johns Hopkins researchers.

The researchers used computer modeling to show an in... Read More

First-responders are needed in a pandemic, but not all may want to work, a study finds

First-responders--firefighters, public health workers--know that when emergencies strike, they'll be on the scene. But those on the front lines are also human, and a new study points out that not all are willing to go to work in the event of a severe pandemic.

The study, conducted by research... Read More

Tim Hortons cups as fuel

Tim Hortons coffee routinely fuels students. But the paper coffee cups themselves might one day provide fuel for their cars.

That’s the research premise of University of Manitoba biosystems engineering Prof. David Levin and microbiology Prof. Richard Sparling. The two are working on a $10.5-m... Read More
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