Bacterium counteracts 'coffee ring effect'
Lucky bacteria strike it rich during formation of treatment-resistant colonies
In biology, we often think of natural selection and survival of the fittest. What about survival of the luckiest? Like pioneers in search of a better life, bacteria on a surface wander around and often organize into highly ...
May 08, 2013
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Pathogen turns protein into a virulence factor in one easy step
To infect its host, the respiratory pathogen Pseudomonas aeruginosa takes an ordinary protein usually involved in making other proteins and adds three small molecules to turn it into a key for gaining access to human cells. ...
May 07, 2013
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The first caffeine-'addicted' bacteria
Some people may joke about living on caffeine, but scientists now have genetically engineered E. coli bacteria to do that—literally. Their report in the journal ACS Synthetic Biology describes bacteria bein ...
Mar 27, 2013
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Viruses help scientists battle pathogenic bacteria and improve water supply
(Phys.org)—Infectious bacteria received a taste of their own medicine from University of Missouri researchers who used viruses to infect and kill colonies of Pseudomonas aeruginosa, common disease-causing bacteria. The vi ...
Sep 24, 2012
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Breath test identifies bacteria's fingerprint
(Phys.org)—Scientists have identified the chemical 'fingerprints' given off by specific bacteria when present in the lungs, potentially allowing for a quick and simple breath test to diagnose infections such as tuberculosis.
Jan 10, 2013
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Scientists focus on quorum sensing to better understand bacteria
The relatively new field in microbiology that focuses on quorum sensing has been making strides in understanding how bacteria communicate and cooperate. Quorum sensing describes the bacterial communication between cells that ...
Oct 11, 2012
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Study unravels origin of devastating kiwifruit bacterium
An international research team led by Virginia Tech Associate Professor Boris Vinatzer and Giorgio Balestra of the University of Tuscia in Italy has used the latest DNA sequencing technology to trace a devastating ...
May 09, 2012
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Bacterium signals plant to open up and let friends in
Researchers have identified the set of tools an infectious microbe uses to persuade a plant to open the windows and let the bug and all of its friends inside.
Jun 13, 2012
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Researchers modify harmless bacteria to kill harmful bacteria
(PhysOrg.com) -- Researchers in Singapore have modified the DNA of one type of bacterium, Escherichia coli, to first sense the presence of another bacterium, Pseudomonas aeruginosa, and then to explode, releasing a special kin ...
Aug 17, 2011
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Spacebound bacteria inspire earthbound remedies
Recent research aboard the Space Shuttle is giving scientists a better understanding of how infectious disease occurs in space and could someday improve astronaut health and provide novel treatments for people ...
Mar 21, 2011
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Bacteria use caffeine as food source
A new bacterium that uses caffeine for food has been discovered by a doctoral student at the University of Iowa. The bacterium uses newly discovered digestive enzymes to break down the caffeine, which allows it to live and ...
May 24, 2011
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Australian mammals take on antibiotic-resistant bugs
The Australian wallaby and platypus could turn out to be key weapons in fighting the growing health threat of multidrug-resistant bacteria, a team involving University of Sydney researchers has discovered.
Sep 02, 2011
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Pseudomonas deploys a toxin delivery machine to breach cell walls of rivals without hurting itself
Microbiologists have uncovered a sneaky trick by the bacterium Pseudomonas aeruginosa to oust rivals. It deploys a toxin delivery machine to breach cell walls of competitors without hurting itself.
Jul 20, 2011
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What is good for you is bad for infectious bacteria
Plants are able to protect themselves from most bacteria, but some bacteria are able to breach their defences. In research to be published in Science on Friday, scientists have identified the genes used b ...
Mar 03, 2011
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