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Tag: "but" at biology news

Scientists seek answers on what activates deadly anthrax spores

...le to provide new details on how anthrax develops, but also pick out structural vulnerabilities that are ...he mail that resulted in 18 cases and five deaths, but also after the recent scare at two military mailroom facilities when anthrax alarms went off. The g...

Found: Missing sequence of the human Y chromosome

... portion of the genome with an accuracy of99.999%, but despite this accomplishment, substantial sections ...sequence was present in all100 individuals tested, but not in any female controls, confirming thatthis sequence was a fundamental part of the Y chromosome....

U of M researcher examines newly emerging deadly disease

...y against Neisseria meningitidis and streptococci, but also against methicillin-resistant S. aureus (MRSA), with the consideration that the staphylococcal disease may be more common than the two prior illnesses. Patients should also be given early administration of activated protein C (i.e., drotrecogin)...

The secret lives of whales

...ys Clark. “The Navy had heard the whales for years but hadn’t focused on the significance of their low voices. To me it was like —ohmygawd!?/p> Access to the U.S. Navy’s underwater listening systems took researchers from fixed-point observations such as ships, to synoptic views of the ocean. Clark ca...

Dinosaur DNA? New Patent Covers Degraded DNA recovery

...ing nucleic acid molecules that have been degraded but still contain useful information scientists at MatrixDesign are able to create a template from which to multiply the genetic material. That process is repeated until the genetic material is substantially representative -- at microscopic levels -- of ...

Mitochondrial DNA mutations play significant role in prostate cancer

...sue samplesfrom patients who had prostate biopsies but were found to be cancerfree. Twelve percent of all...ng mtDNA mutation and, as acontrol, the same mtDNA but without the disease mutation. They theninjected these modified prostate cancer cells into mice to as...

Gene therapy converts dead bone graft to new, living tissue

... the small bone transplants used in spinal fusion, but not for larger grafts, because the proteins' effec...e. Stem cells have also seen success in this area, but Schwarz says their appeal has waned because their handling ?keeping them alive and ready to use ?is ...

Researchers reveal the infectious impact of salmon farms on wild salmon

...ng thin fjord. Here the wild salmon have no choice but to pass by the farm on their seaward migration. T...almon carried almost no sea lice prior to the farm but became heavily infected as they approached it. Unlike other species, pink and chum salmon leave the...

Molecular machine may lead to new drugs to combat human diseases

...id-point, which Golden crystallized, is unreactive but reveals many of the interactions between the RNA and the molecules that it activates, she said. "Knowing the structure can help us engineer molecules to behave better," Golden said. "It's very hard to find targets in cells because cells are organize...

Jefferson Virologists Coax HIV Out of Hiding

...urprise, it was IL-7,?he says. “We don’t know why, but it isthe best agent in terms of its ability to stimulate HIV out of latencythat we’ve seen in the last 15 years.?They found that the virus wasstimulated to higher levels and was activated in more patients thanwith other compounds. Dr. Pomerantz’s gro...

Novel Therapy Tested in Mice Could Chase Away Cat Allergies

...to a new therapy not only for human cat allergies, but also possibly for severe food allergies such as those to peanuts. The National Institute of Allergy and Infectious Diseases (NIAID), part of the National Institutes of Health, funded the research. “This novel approach to treating cat allergies is en...

Clam embryo study shows pollutant mixture adversely affects nerve cell development

...s in PKA may influence not only neuronalmaturation but also how neuronal networks are constructed duringdevelopment," she says. Alterations of this enzyme may affect neuraldevelopment and neural connections by activating or inactivating otherproteins.Demonstrating that clam embryos are affected by BCE pa...

Female sex hormones play a vital role in defense against sexually transmitted diseases

...mones, estradiol and progesterone, were protected, but only if the virus doses were weakened. In the second study, just like in the first study, mice were treated with hormones but, before being exposed to the real herpes virus, they received a vaccine Surprisingly, unlike in the first study, the proge...

Study identifies predictors of HIV drug resistance in patients beginning triple therapy

...s in PKA may influence not only neuronalmaturation but also how neuronal networks are constructed duringdevelopment," she says. Alterations of this enzyme may affect neuraldevelopment and neural connections by activating or inactivating otherproteins.Demonstrating that clam embryos are affected by BCE pa...

New Clues Add 40,000 Years to Age of Human Species

... only helps us resolve an anthropological mystery, but it provides a whole new perspective on the histor...our ancestors originated on the African continent, but they differed on when modern humans first evolved, how humans dispersed to populate the globe, and w...

A bacterial genome reveals new targets to combat infectious disease

...lay host to bacteria that live within their cells, but in this case, the relationship is classic mutualism, with each benefiting from the other. Indeed, the Wolbachia bacterium is so crucial to its host nematode that apparently eradicating it with antibiotics severely compromises the nematode's ability t...

Spider Venom Could Yield Eco-Friendly Insecticides

...cal compounds, most of which are toxic to insects, but not vertebrates. King is studying the molecular structures of the toxins that selectively target the nervous systems of insects to understand the toxins' mechanism of action at the cellular level. Because these toxins do not affect the mammalian nerv...

Solution to Pollution: New Bacteria Eats Toxic Waste

...man-made chemicals to clean up contaminated sites, but these microbes will provide a natural solution, sa...ration between the sciences and engineering fields but also extends to social scientists and economists. Utah State undergraduates and graduate students fr...

Scientists collaborate to assess health of global environment

...ent] examines the state of the global environment, but it's more than that," said Harold A. Mooney, the Paul S. Achilles Professor of Environmental Biology at Stanford University and co-chair of the assessment's science oversight panel. "It relates goods and services that ecosystems provide to human well...

Muscle-targeted gene therapy reverses rare muscular dystrophy in mice

...mptoms first appear late in childhood live longer, but life expectancy remains greatly decreased. Althoug... Pompe disease is a relatively rare disease, it is but one of a group of related "lysosomal storage diseases," which in total occur in about one in 5,000 b...

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