When a plant senses an invading pathogen, it activates a molecular signaling cascade that switch on its defense mechanisms. One such mechanism involves sacrificing host cells to the pathogen. This is a tightly controlled ...
Biotechnology
Dec 6, 2019
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A pair of University of Virginia School of Medicine scientists have revealed how E. coli seeks out the most oxygen-free crevices of your colon to cause the worst infection possible.
Cell & Microbiology
Aug 16, 2019
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Pathogenic bacteria come alive at the metabolic level when they enter the warmth of the human gut, firing up genes that encode toxins and other compounds harmful to our bodies. A KAUST-led study shows how a critical bacterial ...
Cell & Microbiology
Jun 17, 2019
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3
Climate change poses a two-pronged threat to the timber industry in the southeastern United States. Droughts are expected to increase, and tree diseases could become more severe and more common.
Environment
Sep 27, 2013
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The everyday physical activities of an isolated group of forager-farmers in central Bolivia are providing valuable information about how industrialization and its associated modern amenities may impact health and wellness.
Evolution
Aug 13, 2013
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(Phys.org)—When is the plague not the plague? When it's a different strain of the same bacteria. In two strains of the bacteria genus Yersinia —a highly lethal pathogen and its less-virulent form—scientists performed ...
Cell & Microbiology
Jan 23, 2013
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Cancer, food pathogens and biosecurity threats can all be detected using a sensing technique called surface enhanced Raman spectroscopy (SERS). To meet ever-increasing demands in sensitivity, however, signals from molecules ...
Nanomaterials
Oct 10, 2012
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A tiny vibrating cantilever sensor could soon help doctors and field clinicians quickly detect harmful toxins, bacteria and even indicators of certain types of cancer from small samples of blood or urine. Researchers from ...
Analytical Chemistry
Jul 27, 2012
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Researchers at Oregon State University have definitively linked an increase in ocean acidification to the collapse of oyster seed production at a commercial oyster hatchery in Oregon, where larval growth had declined to a ...
Environment
Apr 11, 2012
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Food-borne diseases might soon have another warrior to contend with, thanks to a new molecule discovered by chemists at the University of Illinois. The new antibiotic, an analog of the widely used food preservative nisin, ...
Biochemistry
Mar 19, 2012
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