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Tag: "pathogen" at biology news

'GreeneChip' -- New diagnostic tool that rapidly and accurately identifies multiple pathogens

...l Laboratory Network have developed a new tool for pathogen surveillance and discovery—the GreeneChip System. ...agnosticians need a comprehensive set of tools for pathogen surveillance and detection." GreeneChip features include a comprehensive microbial sequence datab...

The subtleties of tropical forest demise

...ntly appeared, such as the virulent chytrid-fungus pathogen that is decimating rainforest amphibians throughout the tropical world. (2) Those that are growing rapidly in importance, such as destructive surface fires in tropical forests. (3) Those that are poorly understood, such as the impacts of global warmi...

An AIDS-related virus tricks cells to become tumors, new Penn study finds

...associated with viruses. KSHV is an opportunistic pathogen that rarely affects individuals with normal immune systems. However, HIV/AIDS patients and those who are immune suppressed such as organ transplant patients are at high risk for developing Kaposi's sarcoma and another cancer called primary effusion l...

Tiny Tampa Bay fish key to evolution of immune system

...e're trying to create a vaccine against a specific pathogen such as anthrax, smallpox or bird flu, we have to take into account the defensive measures those and other organisms might have." Organisms such as plants, fungi and primitive animal life are classified as having an innate immune system, which defen...

Genome info from 'plant destroyers' could save trees, beans and chocolate

...e journal Science. Phytophthora sojae, an endemic pathogen of soybeans, is responsible for $1 billion to $2 b...ato, strawberry and watermelon, to name a few. The pathogen also destroys an estimated 450,000 tons of cocoa beans with a resulting $400 million loss in chocola...

Einstein researchers demonstrate a novel approach to treating AIDS

...of disease-causing microbes­first the major fungal pathogen Cryptocccus neoformans, which can cause life-threatening encephalitis in AIDS patients and other people with weakened immune systems; then a streptococcal bacterium responsible for pneumonia; and now HIV. The researchers zapped the fungi and bacter...

Fight weeds with plant pathogens

...approach. The classical biocontrol approach uses a pathogen imported from a foreign location to control a nati...curred. Annual applications are required since the pathogen does not generally survive between growing seasons. It is estimated that there are more than 200 pla...

Tearing down the fungal cell wall

...assicicola. A. brassicicola, a destructive fungal pathogen that causes black spot disease on most cultivated Brassica crops worldwide, results in considerable leaf loss in many economically important crops including canola, cabbage and broccoli. Sensitivity to spores of Alternaria species is also clinically...

MRSA toxin acquitted: Study clears suspected key to severe bacterial illness

...rector Anthony S. Fauci, M.D. "This is an evolving pathogen that in recent decades has developed resistance to common medical treatments and now is finding new mechanisms to spread and cause severe illness." About 75 percent of CA-MRSA infections are localized to skin and soft tissue and usually can be tre...

Salmonella survives better in stomach due to altered DNA

...of such extra genetic characteristics can make the pathogen stronger and more infectious. To examine how D...tive under a few of the conditions. Therefore this pathogen always does everything it can to survive under all conditions, for example, during food conservation...

Cholera pathogen reveals how bacteria generate energy to live

...ey specifics to the molecular mechanism behind the pathogen that causes cholera. The work could provide a better understanding of this pathogen, while also offering insight into how cells transform energy from the environment into the forms required to sustain life. As a single-cell organism, Vibrio cholerae...

Scientists identify specific enzymes that make meningitis hard to fight

... different types of DNA damage, were able show the pathogen can 'fend off' different types of DNA damage while in the bloodstream. In theory, finding some way of disabling these enzymes would render the bacteria unable to repair itself, and therefore vulnerable to attack and defeat by the body's immune system...

Scientists discover new virus caused deaths of transplant recipients from single donor

...building on their work and utilizing new tools for pathogen surveillance and discovery developed in the Greene Laboratory and 454 Life Sciences." ...

Antibody signal may redirect inflammation to fuel cancer

...of the genes of the human papilloma virus (HPV), a pathogen that is known to cause human cervical cancer. By comparing cancer progression in these mice compared with gene "knock-out mice" that lacked the antibody receptors normally active on the leukocyte surfaces, Coussens and her colleagues discovered that ...

What recognizes what in plant disease resistance?

...t specifically recognizes and protects against one pathogen or strain of a pathogen carrying a corresponding Avirulence (Avr) gene. In tobacco and its relatives, the N resistance pr...

Infection detectives use disease 'fingerprints' to track common infections in children

...iological weapons. "Even if we don’t know which pathogen it is, we still can tell which family or which group it’s in, so if someone engineers a virus that has never been seen, we will have hints that it’s close to something that is known," he said. Further studies may eventually help doctors track the ...

Scientists learn the origin of rogue B cells

...finity for different pathogens. When an infectious pathogen (a disease-causing agent) enters the body, B cells are activated and release antibodies into the bloodstream to combat the pathogen. When antibodies encounter the pathogen, they bind to it, rendering it incapable of causing further harm. Antibody mol...

LIAI completes world's most comprehensive analysis on influenza virus data

...e ethical and health issues of testing a potential pathogen in humans," Wilson said. "However, based on this information, I think the research community will pursue data directly relevant to human immunity to influenza virus to close those critical gaps." Regarding the dreaded H5N1 avian flu specifically...

Scripps research study shows humans and plants share common regulatory pathway

...ies of R protein pathways to better understand the pathogen recognition functions of these proteins." The ...ggests that the protein plays a role in regulating pathogen resistance in plants. Various genetic studies have identified SGT1 as a crucial component for pathog...

Sandia researchers take new approach to studying how cells respond to pathogens

...tudying the early events in immune response when a pathogen invades a body. Understanding the early steps coul...living being. And not all cells are exposed to the pathogen at the same time," Singh says. "We wanted to look at cells in the same life cycle and same infectiou...

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