In a study published today in Nature Communications, a research team led by Ken Shepard, professor of electrical engineering and biomedical engineering at Columbia Engineering, and Lars Dietrich, assistant professor of biological ...
Cell & Microbiology
Feb 10, 2014
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(Phys.org) —When the going gets tough in the microscopic world of bacteria, one of the best bets is to form a biofilm, an immobile colony of cells that offers protection against harsh conditions. Think of it as a force ...
Cell & Microbiology
Feb 7, 2014
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(Phys.org) —Microbes are everywhere – thousands of species are in your mouth, and thousands are in a glass of tap water. The ones in your mouth are mostly harmless – as long as you brush and floss so they don't form ...
Cell & Microbiology
Nov 4, 2013
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Most bacteria are able to communicate with each other by secreting signaling molecules. Once the concentration of signals has reached a critical density ("the Quorum), the bacteria are able to coordinate their behavior. Only ...
Cell & Microbiology
Jul 18, 2013
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Scientists discover highly asymmetric and branched patterns are the result of physical forces and local instabilities; research has important implications for understanding biofilms and multicellular systems.
Cell & Microbiology
Jun 11, 2013
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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 ...
Cell & Microbiology
May 8, 2013
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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. ...
Cell & Microbiology
May 7, 2013
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(Phys.org) —Newcastle University scientists have revealed the mechanism that causes a slime to form, making bacteria hard to shift and resistant to antibiotics.
Biochemistry
Apr 12, 2013
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Pharmaceuticals commonly found in the environment are disrupting streams, with unknown impacts on aquatic life and water quality. So reports a new Ecological Applications paper, which highlights the ecological cost of pharmaceutical ...
Environment
Apr 1, 2013
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A new study has examined how bacteria clog medical devices, and the result isn't pretty. The microbes join to create slimy ribbons that tangle and trap other passing bacteria, creating a full blockage in a startlingly short ...
Cell & Microbiology
Mar 1, 2013
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