How a transport protein obtains its driving force from the energy storage molecule ATP, has been tracked dynamically by German researchers at Ruhr-Universitaet-Bochum. Using time-resolved infrared spectroscopy, they measured ...
Biochemistry
Jul 11, 2012
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Humans have known for centuries that copper is a potent weapon against infection. New research shows that the bacteria that cause serious urinary tract infections "know" this, too, and steal copper to prevent the metal from ...
Biochemistry
Jul 8, 2012
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Proteins are the molecular building blocks and machinery of cells and involved in practically all biological processes. To fulfil their tasks, they need to be folded into a complicated three-dimensional structure. Scientists ...
Cell & Microbiology
Mar 8, 2012
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Ten variants of the deadly Escherichia coli strain that hit Germany in May 2011 have been sequenced across the world. The unprecedented level of collaboration across the scientific community should give insight into how the ...
Cell & Microbiology
Sep 5, 2011
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Scientists worldwide have been working on the publicly available genomic sequences of the deadly E. coli O104 strain, which is causing the current health crisis in Germany and now spreading throughout Europe. To continue ...
Biotechnology
Jun 7, 2011
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The bacterium Escherichia coli can be a scientist’s best friend when it’s being used as a tool for biological research, but some strains of it are better known for their nasty effects on humans as a causative agent ...
Cell & Microbiology
May 4, 2011
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A technique developed by U.S. Department of Agriculture (USDA) scientists for tracking pathogens has helped confirm that Escherichia coli is not likely to contaminate the internal vascular structure of field-grown leafy greens ...
Other
Apr 1, 2011
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Bacteria tend to be more frugal when constructing proteins for use outside of the cell versus internally, saving their energy for synthesizing compounds that can be recycled, according to research published in the current ...
Cell & Microbiology
Sep 1, 2010
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Researchers have long envied spiders' ability to manufacture silk that is light-weighted while as strong and tough as steel or Kevlar. Indeed, finer than human hair, five times stronger by weight than steel, and three times ...
Materials Science
Jul 27, 2010
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(PhysOrg.com) -- Scientists with the Joint BioEnergy Institute have identified a trio of bacterial enzymes that can catalyze key steps in the conversion of plant sugars into hydrocarbon compounds for the production of green ...
Biotechnology
Jun 21, 2010
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