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Tag: "meningitis" at biology news

Scientists decipher genome of fungus that can cause life-threatening infections

...n opportunistic infections, and a leading cause of meningitis andbloodstream infection," says Joseph Heitman, a senior communitycollaborator on the project who is James B. Duke Professor of MolecularGenetics and Microbiology at the Duke University Medical Center and aninvestigator at the Howard Hughes Medical I...

Researchers find how some antibiotics kill bacteria

...in treating infections other than tuberculosis and meningitis due to the fear of spread of resistant mutations," said Vladimir Svetlov, a study co-author and a research associate in microbiology at Ohio State. "Those mutations could render these antibiotics ineffective against most of the serious health threat...

Researchers identify molecular anchor that allows bacterial invasion of central nervous system

...this potentially devastating infection. Bacterial meningitis must be treated quickly and aggressively with antibiotics, since up to 25 percent of affected children may die or suffer permanent cognitive deficits, cerebral palsy, blindness, deafness or seizures. Therefore, an early acting treatment would help re...

Same-sex mating by fungi spawned infection outbreak, evidence suggests

... C. gattii causes cryptococcal disease, pneumonia, meningitis or death. While C. neoformans is found worldwide in association with pigeon droppings, the rarer C. gattii is normally restricted to tropical and subtropical areas, often in association with Eucalyptus trees. "It is suspected that the infectious pr...

Learning to love bacteria: Stanford scientist highlights bugs' benefits

...ion - such as the bacteria that cause pneumonia or meningitis - are innocuous, he said. It's just that most of the individuals do not get disease from being infected. The best recent example of this, said Falkow, is H. pylori. First identified only 25 years ago, the organism earned researchers last year's Nobe...

Scientists look to the Bahamas as a model for coral reef conservation

...ion - such as the bacteria that cause pneumonia or meningitis - are innocuous, he said. It's just that most of the individuals do not get disease from being infected. The best recent example of this, said Falkow, is H. pylori. First identified only 25 years ago, the organism earned researchers last year's Nobe...

Potential vaccine developed for deadly leishmaniasis disease

...y medicine, including vaccines to immunize against meningitis and other bacterial infections, mainly in small children in the United States. Those vaccines use carbohydrates isolated from the actual bacteria responsible for the diseases. The carbohydrates act as antigens, which stimulate the immune system to de...

Scientists seek to unwrap the sweet mystery of the sugar coat on bacteria

...the sugar coating change over time in the neonatal meningitis strain of E. coli. "Over time, the lectins lost their ability to see these bacteria," says Mahal. "This demonstrates that our system is able to see a dynamic change in the carbohydrates on bacteria surface over time." Mahal says the microarray met...

Research details how a virus hijacks cell signals to cause infection

A common virus that causes meningitis and heart inflammation takes a "back door" approach to evade natural barriers, then exploits biological signals to infect human cells. Broadening knowledge of how viruses cause infection, a new study describes elaborate methods that the virus has evo...

Outsmarting the smartie bug

...n lead to any one of a range of diseases including meningitis and infections of the sinuses, ear, lungs and blood. Why it switches to become invasive is not known. The team sequenced all genes required to make all 90 forms of the capsule (more than 1,800,000 letters of genetic code), determined their function...

Hopkins study suggests commercially available antibiotic may help fight dementia in HIV patients

...eumonias, sexually transmitted diseases, bacterial meningitis and other infections, is a known stimulator of EAAT-2 expression and protects against neuronal injury in mice with nervous system disorders. To test ceftriaxone's potential in HIV, Rumbaugh and colleagues grew human neuronal cell cultures in a lab fr...

Cell wall of pneumonia bacteria can cause brain and heart damage

...tially life-threatening bloodstream infection) and meningitis (inflammation of the membranes surrounding the brain and spinal cord). The St. Jude team found that pieces of cell wall from S. pneumoniae that escape from the bloodstream enter neurons (brain cells). In a previous report published in the July iss...

Malaria vaccine prompts victims' immune system to eliminate parasite from mosquitoes

...nst such scourges as Haemophilus influenzae type B meningitis and typhoid fever," said Elias A. Zerhouni, M.D., Director of the National Institutes of Health. "The experimental malaria vaccine shows great promise for combating a terrible disease that exacts a devastating toll on the world's children." The va...

Scientists identify specific enzymes that make meningitis hard to fight

Two enzymes in meningitis bacteria which prevent the body from successfully ...e disease. Together they repair damage done to the meningitis bacteria's DNA by the body's white blood cells, which are sent to fight the infection. Understand...

Stopping plants from getting sick

... help investigate how this yeast causes pneumonia, meningitis and other illnesses in humans and animals. Still, he says he expects to be kept busy studying fungi for a long time ?keeping the sooty black smut and the smell of rotting fish from Canada's wheat fields. ...

New recommendations against a major opportunistic infection -- cryptococcosis

...antiretroviral drugs. It is now the first cause of meningitis among adults in Africa. A vast cohort study was...ent that is currently only recommended in cases of meningitis and severe pneumonia", concludes Dromer. The authors stress that the three-month mortality rate f...

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