University of Alaska Fairbanks awarded $3.8M for bird flu research
...transmission and reassortment of influenza-A virus strains between birds that migrate north from both eastern... a critical location to study the evolution of new strains of influenza in wild birds and their movement along avian flyways. The research of Kevin Winker at t...Scientists identify a candidate gene for osteoporosis
...esponsible for the BMD differences between the two strains of mice. However, Mohan and his colleagues predict that changes in the amino acid sequence or alterations in regulatory regions of the DARC gene may lead to key functional changes. "There are interesting differences between African Americans and...Genomics throws species definition in question for microbes
...ion of draft-quality genome sequences for all type strains to help advance the integration of genomic information into our understanding of microbial diversity and enable researchers to map phenotypes to genomes....'Ancestral eve' was mother of all tooth decay
...wo decades. His final analysis focused on over 60 strains of S. mutans collected from Chinese and Japanese; Africans; African-Americans and Hispanics in the United States; Caucasians in the United States, Sweden, and Australia; and Amazon Indians in Brazil and Guyana. "By tracing the DNA lineages of th...Bacteria from patient's dental plaque causes ventilator-associated pneumonia
...omponent, Heo and colleagues concentrated on three strains of suspected pathogens that are responsible for most hospital-acquired pneumonia: Staphylococcus aureus, Escherichia coli and Pseudomonas aeruginosa. Samples of plaque from teeth and of secretions from the trachea were obtained from ICU patients on ...MIT biologists solve vitamin puzzle
... resulted in a novel method for identifying mutant strains of a soil microbe that could not form a symbiotic relationship with a plant. Walker's team has now found that one such mutant has a defective form of an enzyme known as BluB that leaves it unable to synthesize B12. BluB catalyzes the formation of...Springer author receives prestigious award in Beijing
...ces in Beijing. He has developed innovative wheat strains through hybridization and contributed to China's food security. He successfully developed the wheat strain "Xiaoyan No. 6" in 1979 that can endure drought, withstand heat and resist disease. Zhensheng Li is co-author of numerous articles in Springer...Steroid hormones regulate the body clock
...two clock systems interact. By examining zebrafish strains with defects in hormone production, Nicholas Foulk...ieve this control; treating the cortisol-deficient strains with constant levels of a drug that mimics the effects of cortisol restores normal cell-division rhy...Tips from the Journals of the American Society for Microbiology
... which received milk containing five LAB probiotic strains and the other, serving as a control group, receive... Salmonella infection, say the researchers. These strains offer significant benefit for use in the food industry and may have potential in human applications....ACS News Service Weekly PressPac -- March. 14, 2007
...d that the compounds had herbicidal action against strains of algae, E. coli and other organisms. Those two characteristics suggest that the compounds have a valuable potential for the development of new bioactive coatings with herbicidal properties, the report states. The researchers added: Given that pho...Trojan horse strategy defeats drug-resistant bacteria
...the human body. Gallium was even effective against strains of Pseudomonas aeruginosa from cystic fibrosis patients that were resistant to multiple antibiotics. In mice, gallium treatment blocked both chronic and acute infections caused by this bacterium. The idea of using gallium as a substitute for iron ...Gallium: A new antibacterial agent?
... Pseudomonas aeruginonsa; even multidrug resistant strains of P. aeruginonsa isolated from individuals with cystic fibrosis. Ga also prevented P. aeruginonsa forming biofilms, the multi-cellular bacterial communities responsible for chronic bacterial infections, and killed both free-living bacteria and bacte...JCI table of contents: March 15, 2007
... Pseudomonas aeruginonsa; even multidrug resistant strains of P. aeruginonsa isolated from individuals with cystic fibrosis. Ga also prevented P. aeruginonsa forming biofilms, the multi-cellular bacterial communities responsible for chronic bacterial infections, and killed both free-living bacteria and bacte...One Wwox isn't enough (to protect against cancer)
...iversity of Massachusetts Medical School developed strains of mice that were missing one copy of the Wwox gene. The mice were bred to produce animals lacking both Wwox genes and mice having both copies of the gene. Mice with both copies served as controls. Mice born with no copies of Wwox died by four wee...Malaria: The right vaccine in the right place?
...e is not easy, in part because there are different strains of the Plasmodium parasite that causes the disease. The different strains carry different variants (alleles) of the genes encoding parasite components (antigens) used in test......ncern is the dramatic rise in the incidence of new strains of TB that are resistant to traditional antibiotic...pliance has led to the emergence of drug-resistant strains of the disease. "There were only ever a limited number of drugs that were effective against TB any...Marine moss reveals clues to anticancer compound
.... By sequencing the genes from two closely related strains of the Endobugula sertula bacterium found in different Bugula neritina bryozoan species - one living in deep waters, the other in shallow waters - they isolated a gene cluster "proposed to code for the biosynthetic machinery to make a common precurso...UA researchers identify new adherence factor, Pili, produced by tuberculosis
...well as with the emergence of multi-drug resistant strains of M. tuberculosis. Such strains constitute a very serious public health problem because they cannot be treated with any of the most ...Super-fermenting fungus genome sequenced
...rease ethanol production. Jeffries said that yeast strains like Pichia have evolved to cope with the oxygen-limited environment rich in partially digested wood that is encountered in the gut of insects, from where the sequenced strain was originally isolated. FPL has a Cooperative Research and Development ......u can tell where the mutations originated and what strains spread to different parts of the world," Ristaino says. Most of the early mutations occurred in Peru and Ecuador in South America, according to the researchers' data. Ristaino says there are a number of camps on the issue of the pathogen's center o...