A novel disease in songbirds has rapidly evolved to become more harmful to its host on at least two separate occasions in just two decades, according to a new study. The research provides a real-life model to help understand ...
Plants & Animals
May 28, 2013
0
0
Health experts have warned for years that the overuse of antibiotics is creating "superbugs" able to resist drugs treating infection.
Evolution
Jul 30, 2015
22
186
Engineers at the University of California, San Diego have invented a "nanosponge" capable of safely removing a broad class of dangerous toxins from the bloodstream – including toxins produced by MRSA, E. coli, poisonous ...
Bio & Medicine
Apr 14, 2013
3
0
We've all seen the headlines. "Man found to be shedding virulent strain of polio"; "Virulent flu strain in Europe hits the economy"; "Most virulent strain of E. coli ever seen contains DNA sequences from plague bacteria."
Cell & Microbiology
Jan 15, 2016
0
547
Humans are far more than merely the sum total of all the cells that form the organs and tissues. The digestive tract is also home to a vast colony of bacteria of all varieties, as well as the myriad viruses that prey upon ...
Cell & Microbiology
Jul 26, 2013
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0
Pea aphids—a serious agricultural pest—have the ability to see and avoid a common, aphid-killing bacteria on plant leaves, according to a new Cornell University study published in Current Biology.
Biotechnology
Sep 27, 2018
0
131
(PhysOrg.com) -- Nearly a billion years ago, bacteria evolved an insidious means of infecting their hosts — a syringe-like mechanism able to inject cells with stealthy hijacker molecules. These molecules, called virulence ...
Biochemistry
Mar 3, 2009
0
0
Most bacteria are able to communicate with each other by secreting signaling molecules. Once the concentration of signals has reached a critical density ("the Quorum), the bacteria are able to coordinate their behavior. Only ...
Cell & Microbiology
Jul 18, 2013
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0
E. coli outbreaks hospitalize people and cause food recalls pretty much annually in the United States. This year is no different.
Cell & Microbiology
Apr 24, 2018
0
23
For a successful infection, bacteria must outwit the immune system of the host. To this aim, they deliver so-called virulence factors through a transport channel located in the bacterial membrane. In some bacteria this transport ...
Cell & Microbiology
Jun 13, 2010
0
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