Tag: "some" at biology news

No role for simian virus 40 in human pleural mesotheliomas

...osed that simian virus 40 (SV40), a contaminant in some polio vaccines administered in the 1950's and 1960...in human tumors (including mesotheliomas, and also some lymphomas, brain cancers, and bone cancers) have not consistently yielded the same results when repe...

Researchers ID chlorophyll-regulating gene

... investigator of the study. "The young plant needs some protochlorophyll to get the ball rolling in photos...nts. Primitive plants, such as mosses and some species of fern, thrive in moist, humid environments where their spores can stay safely above the so...

Keep genome data freely accessible

...ess to these data is a boon to science, it carries some risk: among the genome sequences freely available on the internet are those for more than 100 pathogens, including the organisms that cause anthrax, botulism, smallpox, Ebola haemorrhagic fever, and plague. It is possible that a government, a terrori...

Females may be more susceptible to overindulge 'sweet tooth' cravings than males

...rol and exercise to keep obesity at bay. But with some studies indicating that the rate of obesity is greater in women than in men, could it be that women are at a disadvantage when it comes to these obesity avoidance tactics? Is it possible that females are predisposed to succumb to the temptation to o...

New fossil sheds light on old mystery

... the function of the extremely long neck for which some protorosaurs are known a feature that has puzzled...tion of the extremely long neck that characterizes some species of this group, including Tanystropheus longobardicus, which was discovered in the 1850s. Abo...

University of Alberta researcher looks for clues to mysterious disease

...pear normal at birth but at around the age of two, some of the first signs--walking and balance is wobbly ...to treating the disease, said Campbell. "There are some serious efforts being made for treatment of A-T and what we learn may also make it easier to screen ...

A fishy change in diet

...River. According to McGill University researchers, some freshwater fish are opting out of their usual diet of insects and crustaceans and dining instead on invasive European quagga mussels: the River's junk food. This change may have negative effects on fish growth and may also affect other freshwater ani...

Wolverine takes a road trip

...g male embarked on a six-week journey that covered some 550 miles within three western states. The result...tneuf Range in Idaho and then back again, covering some 256 miles in just 19 days. It then trekked to Mount Washburn in Yellowstone National Park, and back...

Bullish chemical could repel yellow fever mosquitoes

...at carries and transmits the yellow fever virus in some parts of the world. Evans and his group used a rhodium catalyst to aid the tricky synthesis of gaur acid, also known as bovinic acid. In doing so, the chemists also determined the exact chemical structure of the compound. Their approach is described ...

$7.5 Million grant to Yale researchers for role of viruses in cancer

...cer. Collaborating with DiMaio, she has found that some cancers may be due to inaccurate DNA synthesis by error-prone DNA polymerases. "Working collaboratively on these related projects has enabled us to make much more rapid progress in understanding the molecular basis of cancer," said DiMaio. ...

Study explores gene transfer to modify underlying course of Alzheimer's disease

...xperienced in stereotactic injection and performed some of the surgeries for an earlier study at the University of California, San Diego. While neurosurgery is used to deliver NGF in both studies, the precise method of drug delivery in the Rush study has been modified in order to decrease risk and increas...

AAAS expert panel calls for voter-system research and reform

...miscounts and allegations that African Americansin some areas had been systematically blocked fromvoting. The worries have expanded since, asauditors in several states have identifiedvulnerabilities in new voting alternatives. While pointing out that problems can arise withany form of casting votes, pa...

The book opens on the first tree genome

...ause of its relatively compact genetic complement, some 40 times smaller than the genome of pine, making the poplar an ideal model system for trees. The poplar genome, divided into 19 chromosomes, is four times larger than the genome of the first plant sequenced four years ago, Arabidopsis thaliana, the ...

DuPont scientist named one of the world's top young innovators by MIT's 'Technology Review' Magazine

...otonics to the same level that electronics reached some years ago -- the ability to monolithically integrate devices on a single chip. "Every year bandwidth increases, and it shot up tremendously with the advent of the Internet," she said. "It's caused us to take a 90-degree change in perspective in how...

Termites could hold the key to self-sufficient buildings

...es have evolved in such a way that they out source some biological functions, for example, digestive functions to a fungus that they farm inside the mound. They supply the fungus with chewed wood fibre which the fungus breaks down into nutritious food. The structure of the mound ensures a constant and opt...

Experimental drug shown to block mutant protein causing blood disease

...ng PKC412 in patients with Acute Myeloid Leukemia, some cases of which are caused by a mutant on-off switch called FLT3. The drug specifically blocks abnormal FLT3 kinases. MPD is caused by a different mutated kinase, FGFR1, which is inhibited by PKC412. The mutation occurs when two broken pieces of the c...

Health of world's sea lions the focus of Wakefield Symposium

...ge. Interspecies comparisons can shed light on why some populations might decline while others increase. Insights can also be gained on whether trends in the abundance of sea lions are related to fishing activities through food dependencies or more directly through control or conservation measures. A bet...

UAF scientists discover new marine habitat in Alaska

...he world's oceans since at least the Eocene epoch, some 55 million years ago. Because rhodoliths probably grow very slowly in Alaska's cold waters, Riosmena-Rodriguez said they probably have been in Alaska a very long time, perhaps long enough to have evolved into an entirely new species. While...

Key cell-death step found

...sed. The researchers also were able to investigate some of the biochemical requirements for the process. The work is published in the Sept. 17 issue of Science ....

Study reveals why eyes in some paintings seem to follow viewers

... have described the effect as creepy or eerie, and some have thought it supernatural. But now researchers have demonstrated the very natural cause for this visual effect. All it takes for the effect to work is to have the person in the painting, or photograph, look straight ahead, said James Todd, co-auth...

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