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Tag: "anthrax" at biology news

Anthrax paralyzes immune cells with lethal toxin, UF research shows

... researchers have revealed how the inhaled form of anthrax paralyzes the body's defenses and prevents immune ...he EMBO Journal, may lead to quicker diagnoses for anthrax victims. The disease causes flu-like symptoms that can take weeks to develop, according to the Ce...

Anthrax attack posed greater potential threat than thought

A new study shows that more people were at risk of anthrax infection in the Oct. 2001 attack on U.S. Sen. Tom...ple who were nearby when the letter containing the anthrax spores was opened; 20 who were outside the building and presumed to be unexposed; and, for compariso...

Cheaper, better disease treatments expected from faster approach to developing antibodies

...t is in late-stage, clinical trials to treat human anthrax infections. Iverson is a co-author and a collabora... chemical engineering, engineered antibodies to an anthrax toxin called PA. He and Thomas Van Blarcom, a graduate student in chemical engineering, used a metho...

Technology exists to keep E. coli out of food

... bacteria and viruses. It even kills avian flu and anthrax spores," Feirtag said. ...

New finding points way to foiling anthrax's tricks

...a, Berkeley, chemists have discovered a trick that anthrax bacteria use to make an end run around the body's ...job has been an enigma. The new study shows why anthrax bacteria require two siderophores working by two different mechanisms. Siderocalin, the human immune...

Vaccine combined with short-term postexposure antibiotics protects monkeys from inhalational anthrax

...rtant implications for public health management of anthrax bioterrorism events. Anthrax is caused by the sp...y, has a high fatality rate. In addition, because anthrax spores can remain in the body for extended periods, antibiotic treatment is typically recommended fo...

Defense peptide found in primates may block some human HIV transmissions

...aniell has developed a similar approach to growing anthrax vaccine in tobacco plants. An inexpensive way to produce the drug with only a small amount of tobacco would help to make it accessible in areas such as Southeast Asia, Africa and the Caribbean where the disease spreads most quickly. "If we could ...

Basic work on E. coli identifies two new keys to regulation of bacterial gene expression

...tion, such as bacteria that cause cholera, produce anthrax toxin or lead to ulcers and stomach cancer." Scientists use model organisms because they are relatively easy to work with and because there is a vast amount of previous knowledge about them. They can then test whether their findings in model organis...

Encoded metallic nanowires reveal bioweapons

...selected harmless model substances to stand in for anthrax spores, smallpox virus, and protein toxins such as...simultaneous test for all of these is desired, the anthrax antibody would be attached to stripe pattern 1, the smallpox antibodies to stripe pattern 2, and the...

Combating anthrax: Results of study published this month as researchers look for a better vaccine

...could be an alternative to the presently available anthrax vaccine. This new type of anthrax vaccine produced the immune response doctors were looking for, according to peer-reviewed research p...

Newly discovered protein kills anthrax bacteria by exploding their cell walls

... a newly discovered protein could be used to fight anthrax infections and even decontaminate areas in which anthrax spores have been released. "Anthrax is the most efficient biowarfare agent. Its spores are stable a...

Potential vaccine developed for deadly leishmaniasis disease

...eclinical trials. Other candidate vaccines against anthrax and tuberculosis are at an earlier stage of development. One major drawback with carbohydrate vaccines is the difficulty in getting them to produce a strong immune response. Vaccine manufacturers achieve this by adding a booster substance ?an adjuva...

Anthrax inhibitor counteracts toxin, may lead to new therapeutics

...lecules that successfully counteracts and inhibits anthrax toxin in animal and laboratory experiments. The novel approach used to neutralize anthrax toxin could be applied in designing potent therapeutics for a variety of pathogens and toxins, accor...

Anthrax spores may survive water treatment

...on methods in the unlikely event of the release of anthrax in the water supply. Researchers report their fin...purpose of this study was to determine the fate of anthrax spores in a drinking water system that uses chlorine as a disinfectant. Though researchers have som...

Scientists design potent anthrax toxin inhibitor

...lth (NIH), have engineered a powerful inhibitor of anthrax toxin that worked well in small-scale animal tests. "This novel approach to the design of anthrax antitoxin is an important advance, not only for the value it may have in anthrax treatment, but also...

Driver of anthrax toxicity could lead to late-stage therapy

...4 Cell reports the discovery of a gene that drives anthrax bacteria's toxic effects. The gene could offer a p...rapies might have the potential to protect against anthrax during the late stages of the disease, after antibiotics have lost their therapeutic value, they add...

Typhoid fever led to the fall of Athens

...eral diseases, including bubonic plague, smallpox, anthrax and measles have been implicated in the emergence and spread of this epidemic. A mass burial pit unearthed in the Kerameikos ancient cemetery of Athens and dated back to the time of the historical outbreak, provided the required skeletal material f...

Pair of studies offer new clues to combat antibiotic resistance

...pathway, she says. Gram-positive bacteria include anthrax and other strains that cause upper respiratory infections and sepsis. In comparison to gram-negative bacteria, they are generally considered easier to control with antibiotics. "Antibiotic resistance is a huge problem that is only going to get worse...

UCSD study finds anthrax toxins also harmful to fruit flies

Deadly and damaging toxins that allow anthrax to cause disease and death in mammals have similar...iochemical activities and physiological effects of anthrax toxins. Learning how these toxins attack developing and adult tissues is important because it can h...

Poison + water = hydrogen. New microbial genome shows how

...bacterium that causes anthrax. Sporulation allows anthrax to be used as a bioweopon because the spores are r...those of other spore-making species, including the anthrax pathogen, Eisen and colleagues identified what may be the minimal biochemical machinery necessary fo...

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