News tagged with biofilm
Related topics: proceedings of the national academy of sciences , bacteria
Bacteria forge nitrogen from nitric oxide: Scientists unravel key pathway in the nitrogen cycle
The anaerobic oxidation of ammonia (anammox) is an important pathway in the nitrogen cycle that was only discovered in the 1980s. Currently, scientists estimate that about 50 percent of the nitrogen in the atmosphere is forged ...
Oct 05, 2011 |
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Research team discovers new conducting properties of bacteria-produced wires
The discovery of a fundamental, previously unknown property of microbial nanowires in the bacterium Geobacter sulfurreducens that allows electron transport across long distances could revolutionize nanotechnology ...
Aug 07, 2011 |
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Bacteria use Batman-like grappling hooks to 'slingshot' on surfaces
Bacteria use various appendages to move across surfaces prior to forming multicellular bacterial biofilms. Some species display a particularly jerky form of movement known as "twitching" motility, which is made possible by ...
Jul 18, 2011 |
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Key regulators for biofilm development discovered
They can be found everywhere -- organized communities of bacteria sticking to surfaces both inside and outside the body. These biofilms are responsible for some of the most virulent, antibiotic-resistant infections in humans; ...
Jun 24, 2011 |
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Endogenous proteins found in a 70-million-year-old giant marine lizard
(PhysOrg.com) -- With their discovery, the scientists Johan Lindgren, Per Uvdal, Anders Engdahl, and colleagues have demonstrated that remains of type I collagen, a structural protein, are retained in a mosasaur ...
Other Sciences / Archaeology & Fossils
May 02, 2011 |
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Streptococcus enzyme could compete with toothbrushes, dental floss
(PhysOrg.com) -- Investigators from Japan show in vitro that the bacterium Streptococcus salivarius, a non-biofilm forming, and otherwise harmless inhabitant of the human mouth, actually inhibits the formation of dental biofilms, ...
Apr 03, 2011 |
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Biofilm reorganization: Back to the theoretical drawing board
In a surprising new study, researchers using image-analysis methods similar to those employed in facial-recognition software have made a startling discovery that rules out the two main theories scientists ...
Mar 22, 2011 |
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Biodegradable tooth-binding micelles inhibit Streptococcus mutans biofilm growth
Today, during the 89th General Session & Exhibition of the International Association for Dental Research, held in conjunction with the 40th Annual Meeting of the American Association for Dental Research and the 35th Annual ...
Medicine & Health / Medical research
Mar 19, 2011 |
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Could there be more than lunch lurking on your retainer?
Insufficient cleaning could allow build-up of microbes on orthodontic retainers, researchers at the UCL Eastman Dental Institute have found. Dr Jonathan Pratten and colleagues looked at the types of microbes which live on ...
Mar 15, 2011 |
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Choosing your neighbors: Scientists see how microbes relate in space
Like people in cities, microbes often live in complex communities that contain many different microbial types. Also like us, microbes tend to gravitate to and "hang out" with certain other types in their community, ...
Feb 14, 2011 |
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New method attacks bacterial infections on contact lenses
Researchers at National Jewish Health and the University of Texas Southwestern Medical Center have discovered a new method to fight bacterial infections associated with contact lenses. The method may also have applications ...
Medicine & Health / Medical research
Jan 25, 2011 |
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A pesky bacterial slime reveals its survival secrets
By rethinking what happens on the surface of things, engineers at Harvard University have discovered that Bacillus subtilis biofilm colonies exhibit an unmatched ability to repel a wide range of liquids -- and ...
Jan 07, 2011 |
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Bacteria and fungi keep some ancient Australian rock art colors vivid
(PhysOrg.com) -- New studies of 80 Bradshaw rock art works in the Kimberley region of Western Australia have shown their colors have not faded because the artworks are coated with a biofilm of bacteria and ...
Jan 06, 2011 |
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Research provides new leads in the case against drug-resistant biofilms
When a foreign object such as a catheter enters the body, bacteria may not only invade it but also organize into a slick coating — a biofilm — that is highly resistant to antibiotics. Like sophisticated organized ...
Nov 10, 2010 |
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Microbial hair -- it's electric: Specialized bacterial filaments shown to conduct electricity
(PhysOrg.com) -- Some bacteria grow electrical hair that lets them link up in big biological circuits, according to a University of Southern California biophysicist and his collaborators.
Oct 11, 2010 |
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