Metallothioneins, proteins able to capture metal ions, play a major role in the virulence of Cryptococcus neoformans, a fungal pathogen which causes severe infections in immunodeficient and immunocompetent individuals (AIDS ...
Cell & Microbiology
Apr 5, 2013
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Bacteria appear to speed up their evolution by positioning specific genes along the route of expected traffic jams in DNA encoding. Certain genes are in prime collision paths for the moving molecular machineries that read ...
Cell & Microbiology
Mar 29, 2013
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(Phys.org) —A protein that acts as a chaperone and escorts pathogenic bacteria through the acid bath of the human stomach actually needs to lose its shape in order to work.
Cell & Microbiology
Mar 5, 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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While working out the structure of a cell-killing protein produced by some strains of the bacterium Enterococcus faecalis, researchers stumbled on a bit of unusual biochemistry. They found that a single enzyme helps form ...
Biochemistry
Jan 22, 2013
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(Phys.org)—Soft rot diseases cause a great deal of damage in agriculture, and turn fruits, vegetables, and mushrooms to mush. By using imaging mass spectrometry together with genetic and bioinformatic techniques (genome ...
Analytical Chemistry
Nov 29, 2012
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For decades, microbiologists thought that bacteria act individually, unaware of their multitudinous counterparts involved in causing the same infection. In the past two decades, however, they have discovered that many species ...
Cell & Microbiology
Nov 21, 2012
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(Phys.org)—A new DNA sequencing technique has enabled researchers to map for the first time the influential chemical modifications known as methylation marks throughout the genome of a pathogenic bacterium. By comparing ...
Biotechnology
Nov 19, 2012
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(Phys.org)—On a long spaceflight unique conditions including microgravity could give microbes the upper hand, but not if astronauts and their spacecrafts are properly prepared. In a new paper, infectious disease expert ...
Space Exploration
Oct 18, 2012
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Secretion of bacterial proteins is an essential biological process with biotechnological and biomedical impact on human health. European scientists studied a universal and widely conserved bacterial secretory pathway towards ...
Cell & Microbiology
Sep 26, 2012
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