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Tag: "plague" at biology news

Molecular machine may lead to new drugs to combat human diseases

... forms of cancer and opportunistic infections that plague HIV patients. Purdue University researchers froze one of these molecular machines, which are chemical complexes known as a Group I intron, at mid-point in its work cycle. When frozen, crystallized introns reveal their structure and the sites at whic...

Research Gives Hope For Liver Damage

...dramaticgains, liver damage - described as the new plague of the 21st century -has yet to be understood and in turn, to become treatable. More womenin the UK now die of liver failure than do of cancer of the cervix."There has been a fourfold increase in the number of men aged 45-54dying of cirrhosis since 1...

Antibodies from plants protect against anthrax

...ie and his collaborators. Plantibodies against the plague bacterium and botulism are also in development. ...

Biologists discover why 10% of Europeans are safe from HIV

...s disease could have been smallpox or even bubonic plague but bubonic plague is a bacterial disease rather than a virus and is not blocked by the CCR5-delta32 mutation. Profess...

First North American Encapsulated Islet Transplant without Long-term Immune Suppression into a Patient with Type 1 Diabetes

...s disease could have been smallpox or even bubonic plague but bubonic plague is a bacterial disease rather than a virus and is not blocked by the CCR5-delta32 mutation. Profess...

Wake Forest scientists find new combination vaccine effective against plague

...a Honko, found that injecting a protein taken from plague bacteria into a mouse ?one method of vaccination ?... added to the vaccine, antibody levels against the plague bacteria are 500,000 times higher. "Flagellin can function as an effective adjuvant, making a vacci...

Researchers discover key gene involved in bark beetle pheromone production

...National Academy of Sciences (PNAS). Bark beetles plague pine forests, especially when the trees are stressed. The Lake Tahoe basin lost 30 percent of its pines to bark beetle infestation during the 1986-1994 drought, according to Blomquist. There are several hundred species of bark beetles, which are in ...

Studies reveal how plague disables immune system, and how to exploit the process to make a vaccine

...ty of Chicago show how the bacteria that cause the plague manage to outsmart the immune system and how, by s...rom infected rodents. In the mid-14th century, the plague swept through Europe killing nearly one-third of the population. It returned with a slightly reduced...

Research on antibiotics receives historical recognition

... effective against typhoid fever, cholera, bubonic plague and other diseases. Among the other antibiotics isolated in Waksman's laboratory was neomycin, still used as a topical antibacterial agent. William F. Carroll, Ph.D., president of the Society, will present a commemorative bronze plaque to Tim Casey,...

Novel plague virulence factor identified

...actors that make the bacterium responsible for the plague especially efficient at killing its host. In the ...the blood of mammals. There are different forms of plague in humans -- bubonic, pneumonic and septicemic -- depending on site of infection; and infections in ...

New Look at DNA Hints at Origin of UV Damage

...actors that make the bacterium responsible for the plague especially efficient at killing its host. In the ...the blood of mammals. There are different forms of plague in humans -- bubonic, pneumonic and septicemic -- depending on site of infection; and infections in ...

One bacteria stops another on contact

...enes may be present in other pathogens such as the plague bacillus, Yersinia pestis." Low said that one possible interpretation is that bacteria use this system to eliminate competition in the environments they grow in. "Another possibility is that the bacteria use the CDI system to shut themselves off in...

Tiny avalanche photodiodes target bioterrorism agents

...adly bioterrorism attack -- perhaps from smallpox, plague or tularemia -- became very real. But the ability to detect such biological agents and rapidly contain an attack is still being developed. In a significant finding, researchers at Northwestern University's Center for Quantum Devices have demonstrate...

New molecule may aid in production of biofuels and fungi-resistant plants

...importantly, because it occurs in several types of plague organisms and parasites, chitin degradation is of ...erfere with chitin metabolism in insects and other plague organisms. CBP21 also has the potential to aid in the production of biofuel. "In principle, large q...

Report focuses on challenges to unlocking future promise of vaccines

...s are available for some diseases that continue to plague humans, but not for others. Even when a licensed vaccine is available for a given disease, numerous barriers can block its use, including technical, economic, cultural, and legal obstacles," says Rino Rappuoli of Chiron SpA in Siena, Italy, another ...

Typhoid fever led to the fall of Athens

...nternational Society for Infectious Diseases. The plague that began in Ethiopia and passed through Egypt an...ian Thucydides, who himself was taken ill with the plague but recovered. Despite Thucydides' detailed description, researchers have not managed to agree on th...

U-M scientists identify major psoriasis susceptibility gene

...erybody were the same, we'd be like hybrid corn. A plague could come along and wipe us all out." Scientists have been searching for genes associated with psoriasis for more than 30 years, but until now studies have been inconclusive, according to Rajan P. Nair, Ph.D., the study's first author and a U-M ass...

Plant-derived vaccines safeguard against deadly plague

...ntibiotics and that poses a concern, especially if plague would be used as a bioweapon," said Luca Santi, a ...er the initial exposure. Current vaccines against plague are severely limited from widespread adoption by having problems with high adverse reaction rates an...

First human trial of antibacterial contact lens

...likely to create the drug-resistance problems that plague current anti-microbial treatments. The US Centers for Disease Control estimate that biofilms account for at least two-thirds of all chronic bacterial infections. Biosignal and the Institute for Eye Research have tested antibiofilm compounds and ge...

Bacteria have their own immune system protecting against outside DNA

...acteria that cause typhoid, dysentery, cholera and plague have evolved from harmless organisms into feared pathogens," explained Dr. William Navarre, a senior fellow at the UW and primary author of the study. "This research gives us an explanation of how pathogenic bacteria have evolved over millions of yea...

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