News tagged with bacterium escherichia coli
The dance of the chaperones: Scientists identify key player of protein folding
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 ...
Mar 08, 2012 |
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Crowd-sourcing the E. coli O104:H4 outbreak
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 i ...
Sep 05, 2011 |
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Researchers release complete de novo E. coli O104 genome, details of their detection kit
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 to spe ...
Jun 07, 2011 |
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Bacterial guests double as bodyguards
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 ...
May 04, 2011 |
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E. coli an unlikely contaminant of plant vascular systems
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 ...
Apr 01, 2011 |
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Study helps explain how pathogenic E. coli bacterium causes illness
Scientists at the National Institute of Allergy and Infectious Diseases (NIAID), part of the National Institutes of Health, have shown how the O157:H7 strain of Escherichia coli causes infection and thrives by manipulating the ho ...
Medicine & Health / Medical research
Mar 14, 2011 |
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Frugal microbes reduce the cost of proteins
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 ...
Sep 01, 2010 |
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Native-like spider silk produced in metabolically engineered bacterium
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 ...
Jul 27, 2010 |
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Enzyme Trio for Biosynthesis of Hydrocarbon Fuels
(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 ...
Jun 21, 2010 |
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UTIs becoming harder to treat
Genes that make bacteria resistant to antibiotics can be transferred between humans and other animals, say researchers writing in this month's issue of the Journal of Medical Microbiology. The findings will help health expert ...
May 17, 2010 |
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Engineering Bacteria to Clean Up Pesticide (w/ Video)
(PhysOrg.com) -- Can we get bugs to do our bidding? Emory chemist Justin Gallivan has moved science another step closer to that possibility. His lab reprogrammed an innocuous strain of the bacterium Escherichia ...
May 14, 2010 |
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Scientists Explain Why Computers Crash But We Don't
(PhysOrg.com) -- Nature and software engineers face similar design challenges in creating control systems. The different solutions they employ help explain why living organisms tend to malfunction less than ...
May 03, 2010 |
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Adapting to change? Remember the good, forget the bad!
It's not easy being a bacterium and constantly having to adapt to whatever your environment throws at you. Dr Robert Endres explains how bacteria rely on their 'memories' to fine-tune their ability to sense food and danger, ...
Mar 30, 2010 |
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Bile sends mixed signals to E. coli
Bile secretions in the small intestine send signals to disease-causing gut bacteria allowing them to change their behaviour to maximise their chances of surviving, says Dr Steve Hamner, presenting his work ...
Mar 30, 2010 |
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Researchers find new ways to understand bacteria's 'thinking'
It's not thinking in the way humans, dogs or even birds think, but new findings from researchers at the University of Tennessee, Knoxville, show that bacteria are more capable of complex decision-making than previously known.
Jan 14, 2010 |
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