Why are some E. coli deadly while others live peacefully within our bodies?
E. coli outbreaks hospitalize people and cause food recalls pretty much annually in the United States. This year is no different.
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
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Pathogens can use a range of toxins to damage their host organism. Bacteria, such as those responsible for causing the deadly Plague, use a special injection mechanism to deliver their poisonous contents into the host cell. ...
Cell & Microbiology
Dec 13, 2019
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148
Using pests as part of an insect birth control program helps to get rid of them, UA researchers find. A new approach that combines the planting of pest-resistant cotton and releasing large numbers of sterile moths has virtually ...
Biotechnology
Nov 7, 2010
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Toxins produced by blue-green algae that have increasingly polluted Florida waters have been found in dead dolphins that also showed signs of Alzheimer's-like brain disease, according to a new study led by University of Miami ...
Environment
Mar 22, 2019
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72
(PhysOrg.com) -- Chemical reactions are happening all over the place all the time -- on the sun, on the Earth and in our bodies. In many cases, enzymes help make these reactions occur. One family of enzymes, called cytochrome ...
Biochemistry
Nov 12, 2010
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0
For the first time, researchers have identified how cabbage looper caterpillars in the field develop resistance to the bacterium Bacillus thuringiensis (Bt), which naturally occurs in the soil and on plants and has been developed ...
Plants & Animals
Aug 30, 2011
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The bacteria that cause the shigella intestinal disease use a toxin that exploits a physical force in the membrane of cells. Though difficult to block, it is possible to fight with nanoparticles exploiting the same force.
Bio & Medicine
Dec 22, 2016
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29
Biologists at the University of California, San Diego have identified an underlying biochemical mechanism that helps make cholera toxin so deadly, often resulting in life-threating diarrhea that causes people to lose as much ...
Cell & Microbiology
Sep 11, 2013
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(Phys.org) —The popular new strategy of planting genetically engineered crops that make two or more toxins to fend off insect pests rests on assumptions that don't always apply, UA researchers have discovered. Their study ...
Ecology
Mar 29, 2013
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Can environmental toxins disrupt circadian rhythms - the biological "clock" whose disturbance is linked to chronic inflammation and a host of human disorders? Research showing a link between circadian disruption and plankton ...
Ecology
Nov 3, 2017
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200