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Mosquito Immune System Engineered to Block Malaria

Researchers at the Johns Hopkins Malaria Research Institute demonstrated for the first time that the Anopheles mosquito's innate immune system could be genetically engineered to block the transmission of the malaria-causing parasite to humans. In addition, they showed that the genetic modificati... Read More

TWiV 165: The email zone

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Hosts: Vincent Racaniello, Dickson Despommier Read More

TWiV 165 Letters

Justin writes:


Are you, Alan Dove and Prof. Racaniello, saying you think Mikovits and/or others on the Lombardi paper lied about the results or blinding? I think circumspection is a natural human reaction to the allegations of theft that have been made against Dr. Mik... Read More

Evolutionary Lessons From Superbugs

Virulent drug-resistant "superbugs" are back in the news. We have a lot to learn from these small but smart creatures. To the dismay of many in the pubic health field, the FDA just dropped plans to enforce a 1977(!) decision to limit the use of antibiotics in animal feed, which facilitates the e... Read More

Bacterial avengers

Columbus taxpayers will spend billions of dollars to stop millions of gallons of sewage from spilling into the Scioto River and other waterways during heavy rains.

As the city builds new treatment tanks and interceptor pipes, it could save a lot of money by investing in sand, according to an ... Read More

BacterioFiles Micro Edition 70 - Microbes Make Multiple Magnets

This episode: Some bacteria have been discovered that construct multiple types of magnet in their cells!



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An engineered doomsday

In a lead editorial the New York Times argues why the recent research on avian influenza H5N1 should not be published, and why it constitutes a threat to humanity. They get all of the facts wrong, and base their opinions on incorrect science. Among the problems: they flatly state that 600 humans... Read More

Are Vacuum Cleaners Bad for Your Health?

You vacuum your house religiously to get rid of all the dust, dirt, and bacteria and make sure your indoor air is up to snuff.

But new research suggests that some vacuum cleaners may actually be making things worse, not better.

Certain vacuum cleaners spit fine dust and bacteria back into ... Read More

Bacteria on Skin Affects Attractiveness to Mosquitoes

Having more types of bacteria on your skin might not sound very desirable, but it could save you from a mosquito bite, according to a study published in PLoS ONE on Dec. 28.

Human skin is host to a wide range of microorganisms, many of which metabolize components in sweat to produce compounds... Read More

Nanotech 'bacteria bloodhounds' developed

A new bio-nanotechnology developed by Taiwanese researchers may soon help detect bacteria in blood samples quickly, without the need for long culture processes.

The new technology can help get much faster and more precise initial test results of infections and reduce the chance of fatalities... Read More

Bacteria's slimy biofilm could help humans

Bacteria and other microbes love living in slimy communities that cling to riverbed rocks and swimming pool walls, contaminate factory equipment and medical implants, and sometimes coat the teeth as plaque. When such microbe gatherings stick to a hard surface, they’re called biofilms. They're al... Read More

Book trailer for microbiology-themed thriller novel PETROPLAGUE

This is a short trailer advertising a new science thriller novel loaded with accurate microbiology. I'm the author, so I'm biased, but reviewers have said about PETROPLAGUE "the science is utterly believable" and it's in "the top five on my best of 2011 list". You can read an excerpt for free ... Read More

The appearance of circular, entire, opaque colonies on the surface of a nutrient agar plate

The appearance of circular, entire, opaque colonies on the surface of a nutrient agar plate. Taken from the Wistreich Collection, appearing exclusively on MicrobeWorld. Read More

Science Friday: Debate Persists Over Publishing Bird Flu Studies (Live at 2pm ET)

Ira Flatow of Science Friday will host a panel discussion on the issues surrounding a federal advisory board that has urged scientific journals not to publish the research from two labs that have developed an airborne bird flu virus (H5N1). Virologist Vincent Racaniello and Biosecurity expert D.... Read More

Doctor Who Claimed Vaccine-Autism Link Sues Critics

The controversial Andrew Wakefield, MBBS, whose now largely discredited research ignited the vaccine-autism furor, has filed a defamation suit in a Texas court against BMJ, its editor, and an investigative journalist over a series of articles published last January.

The articles, by Brian Dee... Read More

Researchers unravel challenges of drug-resistant bacteria

For years, medical professionals and the livestock industry have made great efforts not to overuse antibiotics, but drug-resistant microorganisms continue to thrive.

Hua Wang thinks she knows why: Antibiotic usage is just one of the factors causing resistance, she said.

"Antibiotic resista... Read More

FDA waffles as superbugs spread

The FDA is sending mixed signals: It unveiled new limits this week on one class of livestock antibiotics, two weeks after scrapping a 34-year push to limit two others. All three can promote drug-resistant bacteria, aka superbugs.

If you didn't keep up with the Federal Register over the holida... Read More
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