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Bioengineered Plants Gone Wild

Special genes inserted into crop plants have a way of leaking into the environment. That much scientists know for sure. What they're less certain about is what effect those genes have on plants growing in the wild.

Andrew Stephenson is interested in answering that question. He's a plant ecolo... Read More

Scientists sift soil for new antibiotics

Scientists are looking at diverse sources — such as soil and frog skins — for new antibiotics, worried that doctors will run out of options to treat increasingly antibiotic-resistant infections.

Doctors fear they may exhaust their antibiotic treatment options because simple infections could b... Read More

Effort Launched To Find And Control Diseases That Move Between Wildlife And People

In hopes of preventing the next global pandemic and a possible death toll into the millions, UC Davis today launches an unprecedented international effort to find and control diseases that move between wildlife and people.

The global early warning system, named PREDICT, will be developed with... Read More

Cockroach Superpower No. 42: They Don’t Need to Pee

"To survive in hostile environments, cockroaches rely on their own vermin: Blattabacterium, a microbe that hitched a ride inside roaches 140 million years ago, and hasn’t left since.

Researchers who sequenced the Blattabacterium genome have found that it converts waste into molecules necessar... Read More

Cladosporium trichoides

Cladosporium trichoides hyphae in brain abscess. Case of Dr. Barnola. PAS stain. Human Read More

Cladosporium trichoides

Cladosporium trichoides hyphae and brown sclerotic cells in abscess of abdominal wall. H & E stain Read More

Fighting H.I.V., a Community at a Time

Federal health officials are preparing a plan to study a bold new strategy to stop the spread of the AIDS virus: routinely testing virtually every adult in a community, and promptly treating those found to be infected.

The strategy is called “test and treat,” and officials say the two sites... Read More

Modified Crops Reveal Hidden Cost Of Resistance

Genetically modified squash plants that are resistant to a debilitating viral disease become more vulnerable to a fatal bacterial infection, according to biologists.

"Cultivated squash is susceptible to a variety of viral diseases and that is a major problem for farmers," said Andrew Stephens... Read More

Catching A Killer One Spore At A Time: Monitor The Spread Of A Deadly Frog Disease

A workshop at the Smithsonian Tropical Research Institute in Panama has dramatically improved the ability of conservationists and regulatory agencies to monitor the spread of chytridiomycosis -- one of the deadliest frog diseases on Earth.

Caused by the chytrid fungus, Batrachochytrium dendro... Read More

Fighting the Flu: Do Hand Sanitizers Work?

With the amount of bottles of alcohol-based hand sanitizer available for public use at hospitals, schools, day-care facilities and malls now outnumbering the billions of viruses and bacteria on even the dirtiest of human hands, you may be wondering if this stuff actually works.

Is it better t... Read More

Animals infected by 'human' bugs

Animals are now picking up human diseases, possibly as a result of globalisation, a study suggests.

Researchers from the Roslin Institute in Edinburgh said a strain of bacteria had jumped from humans to chickens.

The team believes the Staphylococcus Aureus bacteria crossed between species ... Read More

Mad Dogs and Microbiologists

Guest blogger William C. Summers, Yale University School of Medicine, authors a post at Small Things Considered about the potential for a new rabies vaccine as evidenced in a recent PLoS paper titled "Effective preexposure and postexposure prophylaxis of rabies with a highly attenuated recombina... Read More

Deadly Stomach Infection Rising In Community Settings, Study Finds

Mayo Clinic researchers have found that a sometimes deadly stomach bug, Clostridium difficile, is on the rise in outpatient settings. Clostridium difficile is a serious bacteria that can cause symptoms ranging from diarrhea to life-threatening inflammation of the colon. These findings were prese... Read More

Coccidioides immitis

Coccidioides immitis. A typical culture at eight weeks Read More

Probiotic Found To Be Effective Treatment For Colitis In Mice

The probiotic, Bacillus polyfermenticus, can help mice recover from colitis, a new study has found. Mice treated with B. polyfermenticus during the non-inflammatory period of the disease had reduced rectal bleeding, their tissues were less inflamed and they gained more weight than mice that did ... Read More

How to turn pig poo into green power

Stinking lagoons of pig manure created by thousands of animals in giant hog farms can pollute rivers, poison groundwater and pump out clouds of methane and carbon dioxide. So finding alternative uses for the slurry - to generate electricity, say - makes a lot of sense. The problem was that no on... Read More

Blastomyces dermatitidis

Blastomyces dermatitidis. Yeast from tissue smear. Gomori methenamine silver nitrate stain. (400x) Read More

Tuberculosis: A Persistent Threat to Global Health - Part 1

John D. McKinney, Global Health Institute, School of Life Sciences, École Polytechnique Fédérale de Lausanne (EPFL), provides an overview of the natural history of TB infection and the global impact of TB on human health.

"Human population growth and urbanization have accelerated dramatically... Read More

FDA approves emergency use of intravenous peramivir against swine flu

Responding to a request from the Centers for Disease Control and Prevention, the Food and Drug Administration on Friday approved emergency use of the experimental intravenous antiviral drug peramivir to treat hospitalized patients with pandemic H1N1 influenza.

Tamiflu, the primary drug used ... Read More

Teacher Resources from Small Things Considered

The Teachers' Corner of Elio Schaechter and Merry Youle's Small Things Considered blog includes a collection of posts suitable for teaching purposes. The posts are organized into subject areas geared for a typical microbiology course. According to the blog this material has been used for various... Read More

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