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TWiV 47

Jesper writes:


Dear fellows of Twiv,


It is my understanding that us humans live in peace and symbiosis with some bacteria. Is there any such arrangement with any virus?


Another way to phrase the question; if all viruses were to be removed from the world, would... Read More

Dead Probiotics - A Safer Bet

According to U.S. News and World Report, in 2008 some people got sick or died after receiving probiotics. "What role, if any, these bacteria played remains uncertain. Such events have, however, been giving some researchers and clinicians doubts about the safety of this ostensibly benign and "all... Read More

Enzyme may be the target for novel antibiotics

Researchers at Burnham Institute for Medical Research (Burnham), University of Texas Southwestern Medical Center and University of Maryland have demonstrated that an enzyme that is essential to many bacteria can be targeted to kill dangerous pathogens. In addition, investigators discovered chemi... Read More

MTS34 - Pratik Shah - Combatting Pathogens with Polyamines

MTS34


{joomp3_ext}http://traffic.libsyn.com/meetthescientist/Meetthescientist-MTS34PratikShahCombattingPathogensWithPolyamines3... Read More

Mutant bacteria + polyester = more biofuel

Brewing a certain type of biofuel with a mutant bacteria and polyester could double the fuel's production, researchers have found.

The biofuel, butanol, is a type of alcohol that is mainly used as a solvent, or in industrial processes that make other chemicals. But researchers think it has po... Read More

New genes give gut bacteria antibiotic resistance

The human gut is a reservoir of antibiotic resistance. And the bacteria residing there could bequeath their gift of resistance to more harmful microbes under the right conditions, researchers report in the August 28 Science.

Researchers at Harvard Medical School have found more resistance ge... Read More

How an Art Major Says Happy Birthday to her Microbiologist Sister

My little sister made this for my birthday this year. She was short on time, this is not an example of her best work (for real, I'm not writing this because she told me to). Note: the purple microbe in the middle is a Bifidobacterium, which is my research organism, and the dancing things on t... Read More

Aspergillus sp.

Aspergillus sp. Early stage with sterigma and spores. Nomarski technique (800X) Read More

Bacteria Dance















A video compilation of bacteria dancing, set to music. Created by Jan Martinus Stalmans. Read More

Golden nanotubes used as imaging agent to detect tumor cells, map sentinel lymph node

(ed. note - this article is dense but interesting. Basically researchers have made progress using gold, rather than the usual carbon, to build nanotubes. The gold nanotubes can be exposed to laser pulses that carbon nanotubes can not, allowing a new range of applications.)

Biomedical research... Read More

Mundo de los Microbios - Episodio 17



Las Cualidades De Proteccion De Plata


El uso de la plata en utensilios para alimentos data de muchos anos, pero su uso no fue solamente estetico; la plata tambien tiene propi... Read More

A Virus’s Debut in a Doctor’s Syringe

Ten years ago this week, New York found itself at the center of a major public health drama: in Queens, a mysterious illness was attacking older men who liked to garden.

The minute-by-minute excitement resembled that of the recent pandemonium caused by swine flu, but with an important differe... Read More

Veterinarian in Australia Is Sickened After Being Exposed to a Rare Virus

A veterinarian in Australia has been hospitalized in critical condition after exposure to the rare Hendra virus, according to local reports, which said he fell ill after treating two dying horses on a Queensland stud farm.

The virus was found in 1994 and has never been seen outside Australia ... Read More

Craig Venter's Team Reports Key Advance in Synthetic Biology

Researchers at the J. Craig Venter Institute (JCVI), a genomic research organization, reported that they successfully transformed one bacterium into a different strain by transferring the entire bacterial genome of the first strain into a second, related strain of bacteria. In order to accomplis... Read More

Grasshoppers Can Transmit Virus to Livestock

Rangeland plants may be harboring a virus that grasshoppers are transmitting to cattle, horses and other hoofed mammals, according to a published research study by Agricultural Research Service (ARS) scientists.

A recent outbreak of vesicular stomatitis virus (VSV) in the southwest United Sta... Read More

Bird Flu Leaves The Nest -- Adapting To A New Host

Current research suggests that viral polymerase may provide a new therapeutic target for host-adapted avian influenza. The related report by Gabriel et al, "Spread of Infection and Lymphocyte Depletion in Mice Depends on Polymerase of Influenza Virus" appears in the September 2009 issue of the A... Read More

Cholera enterotoxin

Intestines from infant rabbits fed cholera enterotoxin and control Read More

E.O. Wilson: Help build the Encyclopedia of Life

As noted entomologist E.O. Wilson accepts his 2007 TED Prize, he makes a plea on behalf of his constituents, the insects and small creatures, to learn more about our biosphere. Wilson states that as we're still discovering tiny organisms indispensable to life we're steadily, methodically, and vi... Read More

The coevolution of an ant and a fungi

"This segment from a PBS program entitled "Evolution: Evolutionary Arms Race" illustrates the coevolution of the leafcutter ant and the fungi on which it feeds. Leafcutters have been "farming" this fungus for millions of years by feeding, fertilizing, weeding, and harvesting it. Learn how one gr... Read More

Extract DNA from a Banana (Experiment)

The soft flesh of a banana provides a ready source of DNA. Using a few simple purification steps in a classroom setting, students can yield loads of crudely prepared DNA. To begin, the banana is mashed in a detergent/salt solution to lyse the cellular and nuclear membranes. Cellular lysate is st... Read More

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