All Articles Tagged As: bacteriophages
Viruses that can target and destroy bacteria have the potential to be an effective strategy for tackling hard-to-treat bacterial infections. The development of such novel therapies is being accelerated in response to growing antibiotic resistance, says Dr. David Harper at the Society for General Microbiology's Spring Conference in Dublin.
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A new study has shown previously unseen details of an anthrax bacteriophage -- a virus that infects anthrax bacteria -- revealing for the first time how it infects its host, and providing an initial blueprint for how the phage might someday be modified into a tool for the detection and destruction of anthrax and other potential bioterror agents.
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In an advance in understanding Mother Nature's copy machines, motors, assembly lines and other biological nano-machines, scientists are describing how a multipurpose protein on the tail of a virus bores into bacteria like a drill bit, clears the shavings out of the hole and enlarges the hole. They report on the "Swiss Army Knife" protein, which enables the virus to pump its genetic material into and thus infect bacteria, in Journal of the American Chemical Society.
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 | Microbiologists have uncovered a sneaky trick by the bacterium Pseudomonas aeruginosa to oust its competitors. Its means of attack helps it survive in the outside environment and may even help it cause infection. P. aeruginosa injects toxins into rival bacteria through a needle-like structure. The toxins degrade their competitors' protective barriers -- their cell walls. ...> Full Article |
 | Viruses are the most abundant parasites on Earth. Well known viruses, such as the flu virus, attack human hosts, while viruses such as the tobacco mosaic virus infect plant hosts. ...> Full Article |
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