Return of the Staphylococcus aureus 'superbug'
...m, indicating that the same clonal lineages of the organism appear to be dominant in 2 distinct geographic loc...ase that healthy individuals that simply carry the organism without falling prey to infection. In an accompanying commentary, Timothy Foster from Trinity Colleg...Stowers researcher publishes DNA double-strand break repair discovery in Science
...sch. "While there are natural mechanisms within an organism to detect and repair these breaks, factors involved in DNA damage repair must first bypass histones. Histones are proteins that condense DNA and protect it from mechanical and other stresses, but also make DNA rather inaccessible." Multiprotein...Weizmann Insitute scientists show how proteins beat the evolutionary stakes
...hundreds of times more likely to be harmful to the organism than advantageous. Now, in a paper published onlin...survival of organisms," he says. "First of all, an organism needs to be robust in the face of mutation it needs to undergo as little change as possible in its ...Hospital epidemiologists trace outbreak of organism to commonly used wound care equipment
...nii at JHH during a two-month period in 2003. The organism infected 11 patients and was traced back to use of...am infections and wound infections. The resilient organism can survive on environmental surfaces for months, making attempts to control and prevent it more dif...Immune system contributes to evolution of a new fluorescent protein
... in the test tube and then insert the gene into an organism to determine the properties of its protein," he sa...they need," he said. "What we really wanted was an organism with cells that could rapidly produce mutations and target them to one specific gene," said Tsien. "...Scientists decipher genome of bacterium that helps clean up major groundwater pollutants
...PCE-degrading culture under a microscope, the tiny organism looked like junk to me," says Zinder. "I never dre...hat sequence helps researchers learn about how the organism functions on a metabolic level. In the case of D. ethenogenes, scientists found 19 different reducti...Systems microbiology has great scientific promise in health and environment
...ps between the individual components that build an organism or a community," according to Colloquium Co-Chair, James K. Fredrickson, of Battelle Pacific Northwest National Laboratories, Richland, Washington. "Microorganisms, the most abundant organisms on Earth, are ideal candidates for systems biology resea...Gene sequencing explains bioremediation 'bug'
... environmental engineering, found the enterprising organism in sewage sludge. "Just by picking up these mobile...ioxin s -- by turning the genes on and off as the organism detects something appetizing. Since Strain 195 requires diverse nutrients in its growth medium, it w...Scientists discover unique microbe in California's largest lake
...Michelle Wood. She obtained samples containing the organism while studying the diversity of blue-green algae i...ott Miller, the lead author on the paper, grew the organism from samples collected by Wood and Hurlbert. Now an assistant professor of biological sciences at Th...Weill Cornell team develops fast-acting anthrax vaccine
...tal's team incorporated the gene within a harmless organism called an adenovirus. "The adenovirus delivers the gene to the mouse, and then the gene goes to work -- telling the animal's body to make this antibody against anthrax," Dr. Crystal said. The study found: Once inside the mouse's body, the gene b...Scientists decipher genome of fungus that can cause life-threatening infections
...ety that is the predominant pathogenic form of the organism worldwide, and the serotype B Cryptococcus gattii species that is a primary pathogen and is currently causing an outbreak on Vancouver Island in British Columbia. Comparison of the genomes of the three divergent species promises to reveal in detail...Tips from the journals of the American Society for Microbiology
... targeted a specific protein on the surface of the organism even in the harsh chemical conditions of shampoo. "Here we describe a novel approach for preventing the formation of dandruff by inhibition of M. furfur with antibodies," say the researchers. (E. Dolk, M. van der Vaart, D.L. Hulsik, G. Vriend, ...K-State professors develop vaccine to prevent abscess in liver of cattle
...bacteria," Nagaraja said. "But it was new for this organism that we were able to identify strains that are able to optimize conditions for production of large amounts of leukotoxins." According to Nagaraja, abscesses are a significant economic liability to producers, packers and consumers. He said the liver c...Key molecule in plant photo-protection identified
...rabidopsis thaliana, a weed that serves as a model organism for plant studies. These mutant strains were genetically engineered to either over express or not express at all the gene, psbS, which codes for an eponymous protein that is essential for the quenching process (most likely by binding zeaxanthin to c...Plant protein mimics hormone that mitigates diabetes and obesity
...functions in yeast, a fungus often used as a model organism in molecular and biochemical experiments. They also assessed how osmotin acts in adiponectin receptors in a culture of mouse muscle cells. The yeast system they developed hints at the possibility of using yeast to screen for new pharmaceutical produc...UCI researchers create new technique for speeding development of vaccines
...in only ten weeks, we can make every protein of an organism such as the tuberculosis bacterium which has 3,900 genes." The researchers used their technique to identify a unique set of 11 proteins among a total of 200 proteins that make up the live virus that is used to vaccinate against smallpox today. Huma...UI researchers advance understanding of sexual evolution
...evidence of sexual reproduction in a single-celled organism long thought to reproduce asexually, according to a paper published in the January 26, 2005 issue of the journal Current Biology. The finding by John M. Logsdon, Jr., assistant professor in the UI College of Liberal Arts and Sciences Department of Bi...Molecular probes for biology research and drug discovery
... information of not only humans, but also of model organism like the mouse and rat. Also, the genetic information present in important nutrition plants like beans and rice is known. However, to make the promises of the genetics research reality, it is required that biology and chemistry form an alliance", say...... whose genome was completely sequenced and a model organism to study how embryos develop. Using RNA interference (RNAi), a method for identifying the function of genes, the researchers almost double previous estimates of how many genes are required to make an embryo. Their study focused on the genes expressed......battle. Moreover, the mechanism through which the organism becomes so pathogenic once the protective barrier of the skin is removed remains unclear. In their study appearing online on February 3 in advance of publication in the March 1 print edition of the Journal of Clinical Investigation,.Michael Otto an...