Microscope reveals how bacteria 'breathe' toxic metals
... and their colleagues were able to glimpse how the shewanella
oneidensis bacterium breaks down metal to chemical...al Microbiology , provides the first evidence that shewanella
maneuvers proteins within the bacterial cell into ...clear weapons production in the 1960s and '70s.
is naturally present in the soil, and can in fact ...
PNNL researchers earn top honors at Supercomputing conference
Browsing through all the proteins in various shewanella
bacterial species, the team noticed more proteins ...g?" said Oehmen.
As it happens, many species of shewanella
have the ability to transfer electrons to an elect...or similar proteins out of 42,000 proteins from 10 shewanella
species. After rounding up about 550 possible iron...
U of Minnesota researchers discover key for converting waste to electricity
...e, Bond said. Scientists have known for years that shewanella
produce electricity. Now we know how they do it.
The discovery means shewanella
can produce more power simply by increased ribofla... produce electricity" In nature, bacteria such as shewanella
need to access and dissolve metals such as iron. H...
Nanotube-producing bacteria show manufacturing promise
...ral researcher Bongyoung Yoo, found the bacterium shewanella
facilitates the formation of arsenic-sulfide nano...n a process that is not yet fully understood, the shewanella
bacterium secretes polysacarides that seem to pro...to future investigation, he said. Each species of shewanella
might have individual implications for manufactur...
Particle size matters to bacteria ability to immobilize heavy metals
... One of the most common bacteria in the Earth, shewanella
oneidensis MR-1, uses oxygen as an energy source for respiration. But in the absence of oxygen, shewanella
uses (oxy)hydroxide minerals. These metal particle...o have adsorbed heavy metals on them. As a result, shewanella
influence the mobility and bioavailability of iron...
Biofuel cells without the bio cells
...ricity-shuttling process taking place sans cells, in purified proteins removed from the outer membrane of the versatile, metal-altering soil bacterium shewanella
oneidensis. Reporting in the current advance online edition of the Journal of the American Chemical Society, they suggest that proteins rendered porta...
USC, Rice to develop bacteria-powered fuel cells
... the team's efforts to understand how the bacteria shewanella
oneidensis attach to and interact with anode surfa...espiratory metabolism in oxygen-poor environments. shewanella
oneidensis, one such bacterium, uses metals instea...used the technique to examine how the cigar-shaped shewanella
attach themselves to crystalline surfaces. The res...
ORNL leading effort to help harness power of Shewanella
...ur goals are to gain a better understanding of the shewanella
mechanisms for metal contaminants reduction and ot...known as "An Integrated Knowledge Resource for the shewanella
Federation," will play a key role in helping resea...nding of the response systems in organisms such as shewanella
and how they respond to changes in their environme...
Study uncovers bacteria's worst enemy
... being evaluated for radionuclide bioremediation, Deinococcus radiodurans and Pseudomonas putida, along with the toxicity of plutonium on the bacteria shewanella
In addition to Neu, the bacteria bioremediation study team includes Christy Ruggiero and Hakim Boukhalfa of the Chemistry Division, a...
Fleshing out the genome
...es the new annotation method to a strain of the metal-detoxifying bacterium shewanella
"In a lot of cases," said James K. Fredrickson, a co-author ... play."
Before this study, nearly 40 percent of the genetic sequences in shewanella
oneidensis--of key interest to DOE for its potential in nuclear and heavy m...