Studies reveal how plague disables immune system, and how to exploit the process to make a vaccine
...ectious Diseases Research (GLRCE). "It's the most virulent bacterial organism known to mankind. But we now know a little more about how it exercises those powers and we think we can use that knowledge to prepare a preemptive strike." Historically, the terms "plague" or "Black Death" have referred to the bub...Tips from the journals of the American Society for Microbiology
...ed to visible broadband light, results showed both virulent and drug-resistant strains of H. pylori were killed. Blue/violet light was found to be the most effective and the research indicates that photodynamic therapy, a combination of medication and radiation would be the method of treatment. "We have shown...Monkeypox mystery: New research may explain why 2003 outbreak in the US wasn't deadly
...s conclude that some strains of monkeypox are more virulent than others, depending on where in Africa the virus came from. "We have at least two biological strains of monkeypox virus - one on the west coast of Africa, and the other in the Congo basin," Buller said. "The 2003 outbreak in the United States was ...Most common lung cancers may begin in newly discovered cells
...idence that some human cancers contain a small but virulent group of cells known as "cancer stem cells" that regenerate the tumor, a capacity that most cells in a tumor lack. "They may be the cells that we have to eliminate in cancer in order to obtain durable cures for the disease," said Jacks. "Along the w...Mass production of human papillomavirus could lead to gains against cervical cancer
...cancers and some skin cancers. A more common, less virulent form of the virus causes genital warts. Using the new technique scientists can quickly produce a thousand times more infectious virus per culture dish than they could using conventional methods. Researchers are hopeful that this advance could lead to...Cigarette smoke exacerbates alcohol's effects on defense against Streptococcus pneumoniae
...r the person is colonized with a new or especially virulent strain of S. pneumoniae that is able to evade the action of the cilia and travel from the nasopharynx into the lungs." Gentry-Nielsen said that alcoholics are more susceptible to S. pneumoniae infections for several reasons. "They have a decreas...Understanding how bacteria communicate may help scientists prevent disease
...biofilm formation, releasing toxins, or becoming a virulent invader," said Rahul Kulkarni. While Kulkarni work...s or short-circuiting bacteria's ability to become virulent by disturbing their communication network so they remain harmless, is an alternative strategy to con...Scientists take aim at virulent bacteria by decoding machinery of key control enzyme
...er to designing a new kind of drug that could stop virulent bacterial infections in their tracks. Their research will be published in the May 6 issue of the journal Cell. Scientists have known for many years that an enzyme called Dam (DNA adenine methyltransferase) plays a role in regulating gene expression ...Tips from the journals of the American Society for Microbiology
... bacterium Francisella tularensis, is an extremely virulent respiratory disease with a mortality rate as high as thirty-five percent. Transmitted through insect bites, infected carcasses, contaminated drinking water and aerosols, this disease has raised concerns as a potentially dangerous biological weapon. ...Study reveals dramatic difference between breast cancers in US and Africa
...cestry are more likely to be diagnosed with a more virulent form of the disease than women of European ancestry. Researchers from the University of Chicago, working with colleagues at the University of Calabar in Nigeria and the University of North Carolina, found that breast cancers in African women produce ...The Bacteria's guide to survival
...his can pose a problem. If the bacteria are highly virulent and induce too much cell death, they could take down their host before they're able to jump ship, thus hurting the bacteria's chances of survival in the long run. Reporting in the open-access journal PLoS Biology , Magdalene So and colleagues prese......usly treatable diseases could again emerge in more virulent forms. Public health officials cite antibiotic resistance as a growing problem for a host of diseases, from childhood ear infections to malaria. Last year, the FDA published a report calling attention to inefficiencies in the drug and medical produc...Emory study finds monarch health tied to migration
...rates, smaller body sizes and deformities, to more virulent strains of the parasite," Altizer says. Altizer's experiments, conducted with graduate student Catherine Bradley, showed that parasitized monarch butterflies had 10-20 percent lower flight ability while on the "butterfly treadmill," and that the para...Researchers map genome of deadly fungus
...chers also identified differences between a highly virulent strain of C. neoformans and one that doesn't cau... to understanding why this particular fungus is so virulent and may help to develop effective treatments. "These are just two of several exciting areas of resea...Genome comparison of four campylobacter strains yields new genetic markers and clues to virulence
...illion cases of gastrointestinal disease are more virulent than others. The study, which appears in the January 2005 issue of PLoS Biology, compares the complete genome sequences of two strains of Campylobacter jejuni the species most often associated with human illness and supplements that analys...Tips from the Journals of the American Society for Microbiology
... of the isolates contained genes indicating highly virulent strains. "Our study demonstrated that houseflies carry virulent E. coli O157:H7 in the farm environment primarily during the summer and may play an important role i...Return of the Staphylococcus aureus 'superbug'
...evidence that some strains of S. aureus are more virulent that others in that they appear more frequently in...tential to cause infection, some appear to be more virulent that others....JCI table of contents, December 15 2004
...evidence that some strains of S. aureus are more virulent that others in that they appear more frequently in...tential to cause infection, some appear to be more virulent that others. TITLE: Natural population dynamics and expansion of pathogenic clones of Staphylococcu...Vaccination with anthrax capsule protects against experimental infection in animals
...dule as before. In this experiment, using a fully virulent strain producing both capsule and toxins, neither capsule nor PA alone protected while the combination vaccine resulted in survival of 9 of 11 mice. "We demonstrated that protection was even greater when the capsule was combined with PA, compared to ......consin in 1967, butternut canker is a fast moving, virulent disease that is killing butternut trees at a rapid rate throughout their range in North America. Butternut canker is caused by a fungus that infects the trees through wounds or natural openings in the bark. Infections kill the inner bark and create d...