Tag: "spread" at biology news
Firewood unintentionally transports emerald ash borer
...ghborhood of unsuspecting ash trees. The natural spread
of an infestation is probably no more than a half ...ether or not we will be successful in limiting the spread
of this very destructive ash insect."...
Salmonella survives better in stomach due to altered DNA
...athogens with the best genetic characteristics can spread
and survive better and are therefore more infectious: the evolution of a pathogen. Examining which genetic characteristics are present in an infectious Salmonella (in this case the DT104 type) can reveal how this pathogen has become stronger and caus...
Low-pathogenic forms of bird flu do cause illness among birds
...s. Moreover, these patterns can affect the rate of spread
of avian influenza. Wild birds were thought not ...ng by them on migration. In this way the virus can spread
itself more rapidly than previously thought." Acquiring more knowledge about mild but illness-caus...
Human preference for other species could determine whether they survive
...t the attractive vine in their yards, where it can spread
to the wild. "We do have these big differences in how we feel about living things," Stokes said. "These feelings are going to play a big role in what we choose to conserve."...
Fungal factories may save hemlock forests
... cold winter. With global warming, their northward spread
seems inevitable. Though not officially recorded yet, "it's probably in southern Vermont now at population levels too low to easily detect," say Costa, who anticipates that the adelgid will be into Vermont's Champlain Valley in not too many years. ...
Disabling key protein may give physicians time to treat pneumonic plague
...and organs (septicemic plague). Bubonic plague was spread
by bites from infected fleas; pneumonic plague can spread
through droplets of moisture expelled by coughing and sneezing. With pilot project funding from the ...
Brown team finds crucial protein role in deadly prion spread
...ay, because they might reveal a way to control the spread
of prions through drug intervention. If a drug cou...mentation process, it could substantially slow the spread
of prions, which cause mad cow disease and scrapie in animals and, in rare cases, Creutzfeldt-Jacob ...
UCLA and NYU microbiologists crack genome of a parasite that causes a common STD
...s thought to have significantly contributed to the spread
of HIV," Johnson said. To survive, T. vaginalis must adapt to multiple microenvironments and changes in the reproductive tract. A critical property of infection is the parasite's ability to adhere to human cells and to kill neighboring cells. "Th...
Study uncovers a lethal secret of 1918 influenza virus
...50 human lives but has not yet shown a capacity to spread
easily among people. "What we see with the 1918 virus in infected monkeys is also what we see with H5N1 viruses," Kawaoka says, suggesting that the ability to modulate immune response may be a shared feature of the most virulent influenza viruses. ...
Dangerous wheat disease jumps Red Sea
...Yemen. There is also evidence that the disease has spread
into Sudan but more tests are needed to confirm th...rn Africa to the Arabian Peninsula it could easily spread
to the vast wheat-growing areas of North Africa, the Middle East, Pakistan and India. There is pr...
Other highlights in the Jan. 17 JNCI
...mong patients with cancer, the more the cancer had spread
throughout the body, the lower the antibody levels were. This suggested to the researchers that allergic responses might be dampened by having non-Hodgkin lymphoma. "Our finding of a lower prevalence of allergic rhinitis among case patients with no...
40,000-year-old skull shows both modern human and Neandertal traits
...xture with Neandertal populations as modern humans spread
through western Eurasia. This mixture would have ...ng the Neandertals) they met along the way as they spread
from Africa into Eurasia." It is apparent that the Oase 2 cranium indicates there was significant m...
Putting a face on the earliest modern Europeans
...rged within eastern Africa some 150,000 years ago, spread
temporarily into extreme southwest Asia and into southern Africa, and then through northern Africa into Europe around 40,000 years ago. This skull is from the first 5,000 years of the apparent occupation of Europe by modern humans. The cranium has ...
New antibacterials being developed to tackle MRSA superbug
...cal procedures conducted in hospitals. It may then spread
further into the body and cause serious infections... generation of antibacterial medicines to stop its spread
through hospitals, nursing homes and the wider community." The compounds being developed by Prolysi...
Canada's new government invests $200M in the fight against the mountain pine beetle
...m measures focus on the following: slowing the spread
of the beetle; recovering economic value from tre...ties will include measures to control the eastward spread
of the beetle in British Columbia and along the British ColumbiaAlberta border. The program will als...
A new target for the treatment of breast cancer
...g with Bissell's contention that cancer growth and spread
is not solely a tumor cell-autonomous process brought on by a genetic mutation. Bissell is one of the leading proponents of the idea that a cell's genetic information is supplemented by contextual information encoded within the microenvironment that ...
Stealth technology maintains fitness after sex
...protein that increases the chances of survival and spread
of the antibiotic-resistant strain. Low-cost plasmids, described for the first time in the study are a threat to use of antibiotics. Plasmids are naturally occurring 'DNA parasites' of many bacterial species and have been known about for over 30 ye...
UCR researchers examine how some invasive plants gain a foothold
...wn as the Allee effect could be used to battle the spread
of invasive plants. The Allee effect, named after ... could minimize the likelihood that the plant will spread
by seed propagation, according to the article. The California wild radish, Raphanus sativus, is a...
Scientists discover how body fights to control spread of cancer
...ow two molecules fight in the blood to control the spread
of cancer cells. Researchers discovered that a la...otective shield is broken down, allowing cancer to spread
throughout the body. Dr Lu-Gang Yu, from the University's School of Clinical Sciences, explains: "M...
Avian flu virus unlikely to spread through water systems
... case of the pathways by which the influenza could spread
to human populations. Cornell researchers studied ...g through the plant could infect plant workers and spread
elsewhere through drinking water. "You have some 50,000 treatment plants in the U.S., and all these ...
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