Whitefly spreads emerging plant viruses
...ry 18, 2007) -- A tiny whitefly is responsible for spreading a group of plant viruses that cause devastating disease on food, fiber, and ornamental crops, say plant pathologists with The American Phytopathological Society (APS). According to Judith Brown, professor of plant sciences at the University of Ari...The floral network -- what determines who pollinates whom
...lowers, abuzz with busy insects seeking nectar and spreading pollen, may look like a perfect model of random interaction. But ecologists have discovered order within this anarchy. For instance, as the number of species grows, the number of interactions does too, while the connectivity (the fraction of possible...Brown team finds crucial protein role in deadly prion spread
...4 acts like the wind, blowing apart the flower and spreading the seeds." Serio said that prions still multiply without fragmentation. However, she said, they do so at a much slower rate. So a drug that blocked the activity of Hsp104 could seriously slow progression of prion-related diseases....Porous Media and its Applications in Science, Engineering and Industry
... in geothermal reservoirs, heat pipes, underground spreading of chemical waste, nuclear waste repository, geothermal engineering, grain storage and enhanced recovery of petroleum reservoirs. Radiative heat transfer and multiphase transport processes in porous media, both with and without phase change, have gai...Disabling key protein may give physicians time to treat pneumonic plague
...o begin showing up in the spleen and other organs, spreading there via the bloodstream. Previous research had suggested that pneumonic plague might be spreading in the body in part through use of a protein known as plasminogen activator (PLA). The protein is a ...Fungal factories may save hemlock forests
...patent for a new method of cheaply and effectively spreading the fungus, and other similar "biological controls," that might beat back the adelgid without having to use expensive, toxic pesticides. They call their approach a "whey-based fungal micro-factory." Instead of growing fungi in a conventional factor...New approach could lower antibiotic requirements by 50 times
...tant Staphylococcus aureus) for example is rapidly spreading through hospitals, affecting more than 8,000 people in the UK every year. MRSA infection can lead to septic shock and death....Kansas State study finds new vaccine effective against deadly viral disease affecting swine
...itial occurrence is followed by the ripple effect, spreading out from a source point." While the results of this clinically significant project are encouraging, there are many questions about this emerging disease still facing K-State scientists. A special fund has been established for donations to further i...Out of Africa -- bacteria, as well
...eup continually increases." However, while man was spreading throughout the world, human populations had to repeatedly pass through what scientists call genetic bottlenecks: when a population shrinks, the gene pool also becomes smaller. These losses in genetic diversity linger, even when the population starts ...Researchers discover new details about HIV-1 entry and infection
...le LC may harbor viable virus for some time before spreading it to other cells. These results reveal that it is necessary to consider mechanisms of viral entry into both CD4+ T and LC when searching for an effective way to interfere with infection through the vaginal epithelium. "Our findings provide excitin...IDIBAPS participates in European Network on antibiotic resistances and hospital infections
...roximations to avoid the appearance and to contain spreading of these resistant bacteria in European hospitals, especially in the units more exposed to this problem (intensive care units, surgery and rehabilitation units). 3. To achieve a better understanding on why some resistant bacteria are easily propaga...New UD technology removes viruses from drinking water
...technology could help prevent plant pathogens from spreading to other plants," she said. This UD research underscores the importance of interdisciplinary study in solving problems. "There are lots of exciting things you can discover working together," Jin said, smiling. "In this project, we all need each o...Universities in 1.5M drive to cut cost of solar power
...two PhD students across the two universities. By spreading the work across chemistry, electrical engineering, physics and materials departments, the consortium will investigate areas such as materials synthesis and characterisation, device fabrication and system integration. Research at the University of M...NIST 'micro-rack' measures cell mechanical properties
...cal properties of a single, whole cell while it is spreading out and sticking to a substrate as it would in the body, says the designer, NIST bioengineer David Serrell. Other biomechanical test methods focus on individual cell components or entire tissues. The heart of the NIST device is a circular cell pla...Carnegie Mellon researchers urge regulators to rethink strategies for soot emission
...has to do with how the chemical process leads to a spreading of pollution over a larger geographic region. "Were seeing that urban pollution doesnt stay contained in the cities, but impacts rural and other downwind areas, creating even more complicated issues for regulators," Robinson said. Fine particles su...Study identifies risk factors for spread of respiratory infections in hospitals
... can spread from one patient to adjacent patients, spreading infection. Health care staff working while sick...ways of ventilating hospitals and clinics to avoid spreading of droplets," said Dr. Sung. "These findings are relevant not only for SARS," he concluded, "but a...Volcanic plumbing dictates development of deep-sea hydrothermal vents
... above volcanoes where upwelling of the mantle and spreading of the plates are aligned. Surprisingly, Toomey...rm faults, large long- and short-lived overlapping spreading systems and smaller morphological, petrologic and seismic rock boundaries. The researchers perform...Genetic studies endow mice with new color vision
...d eat the ripe fruit would have assisted plants by spreading their seeds. Nathans, a Howard Hughes Medical Institute researcher at Johns Hopkins, worked out the structure of the human S, M, and L pigments and the genetic basis of human color vision variation beginning in the 1980s. At the same time, Jacobs, a...EDITOR'S PICK: Tumors stopped from spreading to new sites For several types of cancer, persistently high levels of the soluble factor TGF-beta in the blood after surgery, chemotherapy, or radiation therapy correlate with increased risk of early metastasis and a poor prognosis. Using a mouse ......occur on the torso or neck. It often metastasizes, spreading to the lungs, lymph nodes and bone marrow. Even though it most often strikes young adults and adolescents, the most famous synovial sarcoma patient probably was actor Robert Ulrich star of such TV shows as Spenser for Hire, Vega$ and Soap who di...