Tag: "microorganisms" at biology news
World's largest scientific society convenes regional meeting in Charleston, S. C., Nov. 13-16
...ole of enantioselective transformations of PCBs by microorganisms
isolated from the sediments of Lake Hartwell. (Cindy M. Lee, Clemson University, Environmental Engineering and Science, School for the Environment, Anderson, S. C., 864-656-1006, LC@clemson.edu PCB-dechlorinating bacteria and the halogen cycle Sc...
Microorganisms are cleaning up Boston Harbor, UMass study finds
... abundant in seawater, according to Lovley. These microorganisms
use sulfate the same way that humans use oxygen. ... oxygen to oxidize the food that we consume, these microorganisms
can oxidize PAHs and their other food sources with sulfate. In this way they can remain active in t...
Focusing on preservatives: How they keep food fresh
...ome new antimicrobials have even been found in the microorganisms
themselves, he says. ...
Researchers close in on natural solution to PCB contamination
...ified one of the key stumbling blocks that prevent microorganisms
from decomposing PCBs (polychlorinated biphenyls),... it could eventually show researchers how to teach microorganisms
to break down PCBs into ecologically safe molecules, a process known as bioremediation. "We have is...
Alzheimer's, nutrition, smallpox, and other 'Human Health Frontiers' addressed by AAAS speakers
...s. People can be infected and perhaps made sick by microorganisms
we can't grow in the laboratory. There are organisms that may play an important role, but are completely unknown to us." To overcome the limitations of traditional techniques of cultivation, scientists are using modern genomic techniques to determin...
Molecular machine could develop drugs for bioweapons victims
...s work by forcing the ribosomes of disease-causing microorganisms
to malfunction, killing the microorganism and curing the disease. The Los Alamos model, the largest atomic-level asymmetrical biomolecular complex ever modeled - identifying the position of approximately 90,000 individual atoms - was developed by Cha...
Mass spectrometer weighs in as proteomics breakthrough
...ory, is beginning to provide new insights into how microorganisms
gobble carbon out of the atmosphere and the role p...using PROMS to characterize the proteomes of three microorganisms
of interest to DOE. (A proteome is the collection of proteins expressed by a cell under a specific ...
Tips from the Journals of the American Society for Microbiology
...n Ultraviolet light can kill potentially harmful microorganisms
in apple cider and may be a feasible alternative to pasteurization say researchers in the August 2002 issue of the journal Applied and Environmental Microbiology. In the study scientists contaminated fresh apple cider with the Cryptosporidium parvum ...
Is the American public at increased risk for food poisoning?
...etory inhibitors, and hospitalization. The common microorganisms
are Campylobacter jejuni found in poutry, milk, water and causing diarrhea, paralysis; Salmonella, in eggs, poultry, and meat resulting in dysentery; Listeria monocytogenes in cheese and deli cuisine, leading to fevers and headaches; Cryptosporidi...
Harvard Medical School consortium receives grant to harness microbe genomes for environment/energy
...rom this project may allow researchers to engineer microorganisms
as miniature machines to clean toxic waste, consum...rns as well as for possible energy sources. "These microorganisms
can be thought of as nano-machines," says Church. "By knowing their genomes, as we do, we have a lin...
Tips from the Journals of the American Society for Microbiology: June 2002
...es a spectroscope to measure compounds produced by microorganisms
on the meat. Researchers from the University of Wales present this new methodology in the June 2002 issue of the journal Applied and Environmental Microbiology. The process, called fourier transform infrared spectroscopy (FT-IR), uses infrared light...
New cellular evolution theory rejects Darwinian assumptions
...ate 1970s Woese identified the Archaea, a group of microorganisms
that thrive primarily in extremely harsh environments, as a separate life form from the planet's two long-accepted lines the typical bacteria and the eukaryotes (creatures like animals, plants, fungi and certain unicellular organisms, whose cells ha...
New device removes drinking water contaminants
...mination process takes advantage of a community of microorganisms
that lives as a biofilm on the outer surface of th...drogen gas supplies the electrons, and the biofilm microorganisms
are the agents for the transfer. A bundle of 7,000 hollow-fiber membranes are in one of the pilot-st...
Bacteria point the way to gold deposits
...wing stage. In auriferous (gold-containing) soils, microorganisms
that can form spores will stand a better chance to survive. In this study, high numbers of B. cereus spores were found in areas of gold-containing orebodies, and they were two or three orders of magnitude higher than those in the background areas. Ba...
Tips from the Journals of the American Society for Microbiology: May 2002
...f the licorice plant is active against a number of microorganisms
that can cause food contamination and may be an effective natural alternative to chemical preservatives. Researchers from the Higashimaru Shoyu Company in Japan report their findings in the May 2002 issue of the journal Antimicrobial Agents and Chem...
UMass microbiology team probes bacterium's surprising survival tactics
... and manganese oxides. The new findings detail the microorganisms
intriguing survival tactics. First, the species is...tailed in Nature, revealed an unusual community of microorganisms
that offered clues about how life could survive on Mars....
Bug vs. bug: scientists use microorganisms to target destructive termites
..., the researcher said. Similar methods using other microorganisms
have taken up to four weeks to have the same effec...d. In addition to their potent killing power, the microorganisms
offer a strategic advantage. They are self-propagating: Bacterial spores that attach to the bodies o...
Spinal cord injury and Alzheimers risk among topics at American Chemical Society meeting
...ructive termites Government scientists are using microorganisms
(bacteria and fungi) to fight the Formosan subterranean termite, a highly destructive species that has caused millions of dollars in damage to houses and trees in the United States. (I&EC 319, Thursday, April 11, 1:40 p.m., Convention Center, Room...
Researchers describe overall water balance in subglacial Lake Vostok
...rs reveal a 400,000-year environmental record with microorganisms
present throughout most of the core. During the 2000-2001 Antarctic research season, NSF supported a detailed aerial mapping of the lake by specially equipped Twin Otter aircraft flown by the Support of Office forAerogeophysical Research at the ...
URI scientists study life buried deep beneath the ocean floor
...-ocean province the respiration rate of individual microorganisms
may be more than 10,000 times slower than the respiration rate of bacteria that inhabit Earth's surface. It also showed that the highest rates of microbial activity beneath the seafloor occur in a narrow zone along continental margins where the deepl...
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