Tag: "bacteria" at biology news
Botulinum toxin structure offers clues for vaccines/treatments
...toxin harmless. There are no Clostridium botulinum bacteria
at Brookhaven Lab. For this work, the scientists obtained the gene for the part of the type E neurotoxin that actively cleaves proteins, the catalytic domain. They then expressed this gene to produce this portion of the neurotoxin protein, which by i...
Wisconsin chemists find a new chink in TB's armor
MADISON - The family of bacteria
that causes tuberculosis (TB) and leprosy are noto... antibiotics don't work against tuberculosis." The bacteria
that cause tuberculosis are literally tough as nails. With unique multilayered cell walls, the micro...
Into the dead zone: Galveston researcher examines loss of marine life
...lizers are being found. Quigg will closely examine bacteria
found in the area to see if the suspected agents found in fertilizers are currently there. Spring is peak fertilizing time for many farmers and ranchers all along the Mississippi River, meaning the suspected runoff of these chemicals into the Gulf Co...
UNC study finds protein in male reproductive tract kills bacteria, may improve fertility
... the new report's lead author. "This protein kills bacteria
by disrupting their outer and inner cell membranes...over different time periods, we found it kills the bacteria
within 15 minutes. Its anti-bacterial activity is dose-, time- and structure-dependent." Study co-au...
Recognition of bacteria in the cytosol by the immune system
...identified a previously unappreciated way in which bacteria
can be recognized inside our cells. Many bacteria
cause disease by invading cells and creating a safe niche in which to replicate. Cells respond to th...
Derek R. Lovley receives 2004 Proctor & Gamble Award from American Society for Microbiology
...n environment. In addition to iron, some anaerobic bacteria
can use other metals, including gold and uranium, in their metabolism. Harnessing the ability of these microbes to reduce these substances to less-harmful forms may be key to removing uranium, petroleum, and other contaminants from groundwater. Furth...
Christopher Walsh wins 2004 Promega Biotechnology Research Award
...ine are naturally synthesized by bacteria, and how bacteria
use iron-binding substances called siderophores to control important aspects of microbial virulence. Each of these projects has vital implications for future drug research. For example, Walsh's research on tyrocidine, a naturally produced an...
David Rosmarin wins 2004 Sarber Award from American Society for Microbiology
... to rapidly diagnose cases of meningitis caused by bacteria
and viruses. Because it is more sensitive and accurate, the C-probe holds great promise as a rapid and efficient way for physicians to determine the cause of these serious infections. Rosmarin is also pursuing other challenging research projects c...
Caroline Mohr wins 2004 Scherago-Rubin Award from American Society for Microbiology
...o identify gram-negative bacilli, a large group of bacteria
often involved in infections. Mohr has published the results of these reviews, which have become invaluable sources of information for clinical microbiology laboratories. Her contributions have helped the CDC become the acknowledged leader in evaluat...
Jennie Hunter-Cevera wins 2004 USFCC/J. Roger Porter Award
...erkeley National Laboratory, she studied fungi and bacteria
isolated from the contaminated Chernobyl power pla...opy and stable carbon dioxide isotopes to localize bacteria
and characterize their biological activity. An elected Fellow of the American Academy of ...
Campbell to receive American Society for Microbiology lifetime achievement award
...age lambda - one of a group of viruses that attack bacteria
- and its host. In the 1950s, Campbell concluded that bacteriophage lambda associates and dissociates from its host by inserting and removing a circular viral genome, or set of genes, into the bacterial chromosome. This finding, known as the Campbell...
Researchers describe long-perplexing 'magic spot' on bacteria
...nosine-tetraphosphate or ppGpp is involved in how bacteria
respond to amino acid starvation. More recently, r... how a protein that is specific to illness-causing bacteria
might provide another potential path to developing antibiotics against bacteria
that cause cholera, ...
Genetic sequence identified for anti-bacterial sea slug protein
...uses foreign cells to lyse or explode and prevents bacteria
from growing on sea hares. Derby, whose team has sequenced, cloned and expressed Escapin, believes a natural or synthetic form of the protein could be manufactured for the marine industry as an environmentally friendly alternative to toxic heavy met...
Brace therapy for osteoarthrisis, legal issues in TBI research, prosthetic fitting
...evidence that electrical stimulation (ES) inhibits bacteria
growth, enhancing wound-healing rates. Many patien...ure-ulcer healing is often delayed by a buildup of bacteria
in the wound. Investigators studied the effect of ES on bacterial growth in vitro. Four types of ES ...
UCLA chemists develop new coating for nanoscale probes
... coatings was inspired by nature. Some plants and bacteria
cells evolved unique capabilities to block toxic heavy-metal ions as a strategy to clean up the toxic environment in which they grow. These organisms synthesize peptides, called phytochelatins, that reduce the amount of toxic-free ions by strongly bi...
Tracking cystic fibrosis with mice
... of the mucous so that natural removal of dust and bacteria
from the respiratory tract is no longer possible. Mice, whose sodium ion channels had been altered, became ill with the lung inflammation typical of cystic fibrosis. The researchers demonstrated with a high degree of probability the direct link betwe...
Seabed secrets in English clay
Fossilized organic molecules of green sulfur bacteria
are helping to unlock secrets of what may have bee...have spent almost 15 years trying to learn why the bacteria
-- which thrive only in oxygen-free but hydrogen sulfide-rich aquatic environments -- apparently co-...
Discovery offers clues to origin of life
...ding. "People have been looking for signs of early bacteria
for the last 50 years," said Dr. Karlis Muehlenbachs, from the U of A's Faculty of Science and an author on the paper just published in the journal Science. "A variety have claimed they've seen it and subsequently been challenged as being flawed. We...
Elusive but ubiquitous microbe fingered as gum disease culprit in Stanford study
... may not have heard much about archaea. Along with bacteria
and eukarya (which encompass every organism from f...cally and biochemically they are as different from bacteria
are from humans. The microbes live in many extreme environments - from hot springs to sa...
New Woods Hole Center for Oceans and Human Health established
...l be the distribution of biological organisms like bacteria
and algae with potential human health consequences...ution of two marine pathogens, the closely related bacteria
Vibrio vulnificus and V. parahaemolyticus, and modeling of various coastal ocean processes affecting...
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