News tagged with protein toxin

How botox binds to neurons

Botulinum neurotoxin A, better known as botox, is a highly dangerous toxin that causes paralysis in man that may prove fatal. In cosmetic applications the paralysing action of small doses is used in a specific ...

Nov 18, 2013
5 / 5 (1) 0

DNA nanorobots find and tag cellular targets

Researchers at Columbia University Medical Center, working with their collaborators at the Hospital for Special Surgery, have created a fleet of molecular "robots" that can home in on specific human cells ...

Aug 07, 2013
5 / 5 (10) 0 | with audio podcast

Even bacteria use social networks

The next time your Facebook stream is filled with cat videos, think about Myxococcus xanthus. The single-cell soil bacterium also uses a social network. But forget silly distractions. M. xanthus relies on ...

Jul 19, 2013
5 / 5 (2) 0 | with audio podcast

Unraveling bacterial behavior

Bacteria encounter a constant barrage of ever-changing temperature, acidity and chemical stimuli from their environment. The cells must absorb all of this information and choose the correct response—whether boosting their ...

Jul 18, 2013
4 / 5 (2) 0 | with audio podcast

Molding the business end of neurotoxins

For snakes, spiders, and other venomous creatures, the "business end," or active part, of a toxin is the area on the surface of a protein that is most likely to undergo rapid evolution in response to environmental constraints, ...

Feb 23, 2012
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Targeting toxin trafficking

Toxins produced by plants and bacteria pose a significant threat to humans, as emphasized by the recent effects of cucumber-borne Shiga toxin in Germany. Now, new research published on July 21st by the Cell Press journal ...

Jul 21, 2011
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