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Tag: "spread" at biology news

Leprosy genome tells story of human migrations, French researchers report in Science

...ises about how the pathogen evolved and how it was spread across the continents by human migrations. The res...re all caused by a single bacterial clone that has spread yet barely mutated for centuries. They also show that the disease may have begun in East Africa, as ...

Aircraft Cabin Ventilation Influences The Transmission Of Diseases In-flight

... ventilation within aircraft cabins can reduce the spread of infectious diseases in-flight, suggests a revie...ercial airlines are a suitable environment for the spread of pathogens carried by passengers or crew, the environmental control systems used in commercial air...

Community MRSA is re-emergence of 1950s pandemic, study suggests

...s ago could mean that community acquired MRSA will spread faster and be more widespread than previously expected, warns an international team of researchers who have been studying the bacteria. First isolated in Australia and Canada in 1953, type 80/81 penicillin-resistant Staphylococcus aureus bacteria ca...

Hopkins AIDS experts issue warning about global efforts to provide drug therapies

...nical studies to determine how best to prevent the spread of sexually transmitted diseases in the Americas, ... first. "If current global efforts to prevent the spread of HIV/AIDS are to work in the long term, they must avoid public suspicions of being unfair, and the...

Massey Cancer Center researcher helps to identify a piece of the cancer puzzle

...-opt nearby healthy cells into helping to feed and spread growing tumors. The structure of the protein, Ang2, will be published this week in "Structure" a peer-reviewed scientific journal. "By examining structures of proteins and learning how they interact with each other, we can better explore how to tur...

Cancer drug slows poxvirus in mice

... and processes to enter a cell, replicate and then spread to uninfected cells. Using lab-grown cells, Dr. Ka...evec could prevent or lessen vaccinia's ability to spread in a living organism, the researchers treated mice with either saline solution or with Gleevec at a ...

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

... the bubonic plague, caused by Yersinia pestis and spread by the bites of infected fleas, which acquire the germ from 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 death count about once a generation...

New study: Sexually transmitted disease treatment can be effectively administered by sex partners

...he most common method of attempting to control STD spread and recurrence. Health care providers ask STD-infe...Dr. Kissinger said. And if it helps to prevent the spread and recurrence of STDs, patient-delivered partner treatment could be a valuable tool to add to the p...

Measurement Challenges In Detecting Cancer Biomarkers

...he most common method of attempting to control STD spread and recurrence. Health care providers ask STD-infe...Dr. Kissinger said. And if it helps to prevent the spread and recurrence of STDs, patient-delivered partner treatment could be a valuable tool to add to the p...

New Finding May Aid Adult Stem Cell Collection

...he most common method of attempting to control STD spread and recurrence. Health care providers ask STD-infe...Dr. Kissinger said. And if it helps to prevent the spread and recurrence of STDs, patient-delivered partner treatment could be a valuable tool to add to the p...

Revueltosaurus skeleton unearthed at Petrified Forest upsets dinosaur tale

...ll established worldwide before the ornithischians spread out into North America, Europe and Africa at the very end of the Triassic, perhaps from possible origins in South America. "We have pretty much erased the record of Triassic ornithischian dinosaurs from North America, Europe and worldwide, except fo...

Two studies document rise of superbugs in the environment

...act infections--were involved in the upswing. The spread of multidrug resistance in bacteria appears to hav...tance under antibiotic pressure. The second is the spread of MDR bacteria from patient to patient, often in hospitals or long-term care facilities like nursin...

Agilent Technologies introduces high-capacity human protein removal system for proteomics research

...ll established worldwide before the ornithischians spread out into North America, Europe and Africa at the very end of the Triassic, perhaps from possible origins in South America. "We have pretty much erased the record of Triassic ornithischian dinosaurs from North America, Europe and worldwide, except fo...

Fungus-farming termites descend from an African rain forest Eve

... homelands of domestication, agriculture has later spread to other regions, including to much more unfavourable areas. This occurred either by the adoption of an agricultural lifestyle by local hunter-gatherers, or, and probably more often, through replacement of local hunter-gatherers by farmers. The agric...

Poaching, logging, and outbreaks of Ebola threaten central African gorillas and chimpanzees

...es and tropical forests from logging, and slow the spread of the Ebola virus in the region. Called the Regi...cts many other species as well." The continuing spread of the Ebola virus through the region is a particular threat, with devastating effects on ape popula...

New Vaccine To Be Used For First Time In Polio Outbreak Response

...untry's capital Sanaa and suggesting the virus had spread across the country. Ongoing field investigations h...on rates among Yemen's children may facilitate the spread of the virus. Experts are now planning an outbreak response, using the recently-developed monovalen...

Understanding biases in epidemic models important when making public health predictions

... The impact of such differences on predicting the spread of new, highly transmissible diseases could be important to public health workers, said Wearing. Underestimating the transmissibility of an infection could lead to predicting inadequate levels of disease management, such as contact tracing and quaran...

Biologists determine genetic blueprint of social amoeba

... to the sites of infections and play a role in the spread of cancer. (see: http://ucsdnews.ucsd.edu/newsrel/science/mcchemo.htm ) Dictyostelium usually exists as a single cell organism that inhabits forest soil, consuming bacteria and yeast. When starved, however, the single cells come together, differenti...

International Team Determines Geographic Origin of Leprosy

Leprosy likely originated in East Africa and spread to Asia and Europe before being imported into West...n and contradict a commonly held view that leprosy spread to West Africa directly from East Africa, say the researchers. The international team of investigat...

Scalpel-free surgery could reduce risk of HIV and hepatitis exposure for health care workers

...s have been in effect for some time to prevent the spread of disease to health care workers in the operating room," said Martin A. Makary, M.D., assistant professor of surgery and public health at Johns Hopkins and lead author of a report in the May 2005 issue of the Annals of Surgery. "Given the high inci...

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