Evolution favors new diseases of 'intermediate' severity
New epidemic diseases have an evolutionary advantage if they are of "intermediate" severity, research shows.
New epidemic diseases have an evolutionary advantage if they are of "intermediate" severity, research shows.
Evolution
Nov 12, 2020
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247
A team of infectious disease researchers has developed a new method to identify virulence genes in Streptococcus pneumoniae, the leading cause of bacterial pneumonia. Using this technique in a mouse model of pneumonia, they ...
Cell & Microbiology
Oct 28, 2020
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48
More than half of the world's population carries the bacterium Helicobacter pylori in their stomach mucosa. It often causes no problems throughout life, but sometimes it can cause inflammation, and in some cases, it can even ...
Cell & Microbiology
Oct 15, 2020
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82
Free-swimming cholera bacteria are much less infectious than bacteria in biofilms, aggregates of bacterial cells embedded in a sticky matrix that form on surfaces. This accounts for the surprising effectiveness of filtering ...
Cell & Microbiology
Apr 20, 2020
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86
Tularemia is a rare but often lethal disease. It is caused by one of the most aggressive pathogens on earth, the bacterium Francisella tularensis. The microbe, transported by a variety of animals and insects, is able to enter ...
Analytical Chemistry
Mar 5, 2020
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34
With the help of new genomic sequencing and assembly tools, plant scientists can learn more about the function and evolution of highly destructive plant pathogens that refuse to be tamed by fungicides, antibacterial, and ...
Biotechnology
Jan 29, 2020
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The threat to global human health posed by newly emerging viruses such as Ebola, SARS and the Zika virus can be predicted, a study has found.
Cell & Microbiology
Dec 2, 2019
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33
An international team headed by Óscar Llorca at the Spanish National Cancer Research Centre (CNIO), and the group led by Sebastian Geibel at the University of Würzburg (Germany), report an accurate 3-D model of the mechanism ...
Biochemistry
Oct 9, 2019
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43
Using a new approach to genetic screening with CRISPR, researchers at the Crick have identified key genes for the survival of the parasite Toxoplasma gondii in mice.
Biotechnology
Sep 3, 2019
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156
The reddish-brown varroa mite, a parasite of honeybees and accidentally introduced in the Big Island of Hawaii in 2007-08, is about the size of a pinhead. Yet, its effects there are concerning to entomologists because the ...
Ecology
Jan 8, 2019
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267