Tag: "bacterium" at biology news
HHS awards $232 million in biodefense contracts for vaccine development
...ze and produce neutralizing antibodies against the bacterium
if it is encountered again. ...
Emory chemists develop bacteria that may help decaffeinate coffee
... benefit humans. The Emory team reasoned that if a bacterium
needs a particular molecule to survive, it has a s..., the Emory researchers have coupled the life of a bacterium
to the presence of theophylline, a compound that is used to treat asthma, and is produced by the bre...
UF scientists have bionanotechnology recipe to find elusive bacteria
...at can speedily root out even one isolated E. coli bacterium
lurking in ground beef or provide a crucial early ...es, we're able to finish the detection of a single bacterium
in 20 minutes." Bionanotechnology is a new frontier of research that combines two seemingly incompa...
INEEL uses extremophile bacteria to ease bleaching's environmental cost
...wstone National Park's hot springs lives a type of bacterium
that could help make industrial bleaching cheaper ...us' fondness for hot springs. But it turns out the bacterium
doesn't fare as well as its enzyme in high pH conditions. "Along the way, we may figure out why the ...
OHSU study: Bacterial switching mechanism key to survival
...le, glucose is able to pass freely in and out of a bacterium
cell's membrane. When glucose is available as the energy source, the cell traps the molecule inside its walls by adding a phosphate called "phosphorylation" with the help of a phospho-relay system that requires a protein known as HPr. HPr can itsel...
Clues to improving TB treatment
...of the world's population carries the tuberculosis bacterium
and the disease kills about two million people worldwide each year. About 50 million people are infected with the multidrug resistant tuberculosis strain, which has proved especially deadly in developing countries. F. Frnois, J. Engohang-Ndo...
NIH funds new bioinformatics resources at UT Southwestern
...anges in gene and protein activity within both the bacterium
and host cell. In order for the infection to persist, the pathogen must overtake the cell, shutting down various signals or setting up decoys in order to survive undetected. Current microorganism databases focus on gene-sequence information, said D...
Insects implicated in the evolution of new human infectious diseases
...e, are studying a new disease-causing (pathogenic) bacterium
that has been identified in about a dozen people i...ers' bodies. The researchers suspect that this new bacterium
evolved recently from a well-known bacterium, Photorhabdus luminescens, which kills insects with the...
Genetically endowed worm may substitute for rodents in some toxicology testing
...C. elegans we just feed the roundworms a strain of bacterium
and the gene is knocked out." In addition, strains of the roundworms have been genetically engineered in Freedman's lab and others to make various cells change color or emit a fluorescent glow in the presence of a toxic chemical. ...
Molecular technique shows promise in destroying drug resistance in bacteria
...ids -- pieces of extra-chromosomal DNA -- from one bacterium
to another. These plasmids contain genetic codes ...that if you could eliminate plasmids that make the bacterium
resistant, then the bacterium
could be sensitive to antibiotics again," Hergenrother said. The resea...
Avian cholera could spread from Great Salt Lake
...SGS scientists isolated Pasteurella multocida, the bacterium
that causes avian cholera, from dead grebes that w...Salt Lake, killing tens of thousands of birds. The bacterium
that causes avian cholera is not a significant human health threat, although the disease is readily ...
Abundance of myostatin in infected swine may result in reduced muscle mass
...s and exposed different experimental groups to the bacterium
Mycoplasma hyopneumoniae and/or PRRSV. Almost all U.S. swine are exposed to the bacterium
in production facilities, while about 60 percent are exposed to PRRSV. These pathogens open the way...
Random gene activation helps ulcer bug escape immune system
St. Louis, Nov. 19, 2004 -- The bacterium
that causes ulcers and contributes to stomach cancers uses a clever interaction between two genes to randomly tighten and loosen its grip on the stomach, according to a study by researchers at Washington University School of Medicine in St. Louis and...
UCSB researchers advance understanding of urinary tract infections
...on knows that they can be difficult to fight. The bacterium
E. coli is responsible for about 80 percent of human urinary tract infections. Scientists at the University of California, Santa Barbara have made important strides in understanding E. coli at the molecular level in an effort to discover the mechanis...
Acid-resistant bug doesn't give in to alcohol either
...t. Louis has found surprisingly tough enzymes in a bacterium
that "just says no to acid."Acid resistance is a v...lued trait for both pills and human pathogens. The bacterium
Acetobacter aceti makes unusually acid-resistant enzymes in spades, which could make the organism a ...
Differences in gene usage dramatically change bacteria's 'lifestyles'
St. Louis, Nov. 29, 2004 -- When and where a bacterium
uses its DNA can be as important as what's in the DNA, according to researchers at Washington University School of Medicine in St. Louis. Scientists found significant differences in two bacterial organisms' use of a gene linked to processes that gove...
New study by UGA researcher shows that Salmonella uses hydrogen as an energy source
...d in the journal Science evidence that the gastric bacterium
Helicobacter pylori, which gives rise to peptic ul...terica called Typhimurium, a common food-poisoning bacterium
closely related to a different strain of Salmonella that causes typhoid fever. ...
NIH makes award to UNC for Genome Fingerprint Scanning program
...tify novel proteins in Francisella tularensis, the bacterium
that causes the infectious disease tularemia, and in Tetrahymena thermophila, a model organism for studies of cellular and molecular biology. "This support from NCRR will allow us to transform our Genome Fingerprint Scanning program from an experimen...
Spider silks, the ecological materials of tomorrow?
...s of the genes were successfully inserted into the bacterium
E. coli, mammal and insect cells, which in turn produced silk proteins. "Using 'protein engineering' based on knowledge achieved from investigations of the natural silks, artificial proteins can be designed that allow bacterial synthesis at high yiel...
Vaccination with anthrax capsule protects against experimental infection in animals
...ax capsule, a naturally occurring component of the bacterium
that causes the disease, protected mice from letha...in, and the capsule. During anthrax infection, the bacterium
invades and grows to high concentrations in the host. The capsule surrounds the bacterium
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