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Tag: "humans" at biology news

Scientists analyze chromosomes 2 and 4

...me 2 that possibly may produce a protein unique to humans and chimps. Scientists have tentative evidence that the gene may be used to make a protein in the brain and the testes. The team also identified "hypervariable" regions in which genes contain variations that may lead to the production of altered prot...

Embryonic Stem Cells Treated With Growth Factor Reverse Hemophilia In Mice: UNC Researchers

...ce lack the clotting substance factor IX, which in humans results in the hereditary bleeding disorder known as hemophilia B. This disease, much less common than hemophilia A, affects roughly one of every 35,000 people, primarily males. Although embryonic stem, or ES, cells can differentiate into most cell ...

Ebola virus: from wildlife to dogs

...ics in Central Africa. Research now indicates that humans do not become directly contaminated from the anima...f transmission to humans. Ebola virus infection in humans provokes a violent haemorrhagic fever. It usually flares up as intense epidemics. These kill 80 % of...

Scientists use manufacturing methods to reconstruct mastodon

...are even more common with fossil mastodons because humans sometimes butchered the massive, elephant-like animals and hauled off whole hunks of meat, often with the bones, says U-M mastodon authority Daniel Fisher, a professor with joint appointments in the Museum of Paleontology and the departments of Geolo...

Active Vaccine Prevents Mice From Developing Prion Disease

...niewski. The version of prion disease that affects humans usually occurs spontaneously, and only rarely as a...d meat. "The potential use for a prion vaccine in humans is still theoretical," says Dr. Wisniewski. "But if, for example, there is ever a more significant o...

Experiment station researchers to explore genome of disease-fighting fungus

...lly discover novel antibiotics used in therapy for humans or animals. "We know some of the genes responsible for known antibiotics, however, there are additional genes in Trichoderma responsible for producing uncharacterized compounds that might be novel antibiotics." By sequencing the fungus, researchers...

Researchers Identify Cause of Early Bird Sleep Disorder

...he mice early risers -- mimicking what was seen in humans with FASPS. So, studies of all three organisms -- flies, mice and humans -- "will help us understand the similarities and differences" in how the gene works in different set...

Unlike other mammals, newborn dolphins and orcas stay active 24/7 during first months of development

...or development and raising the question of whether humans and other mammals have untapped physiological potential for coping without sleep." Researchers observed two adult female killer whales and their calves at Shamu Stadium at SeaWorld San Diego and four dolphins and their calves housed at the Gelendgic...

Research Reveals Functions Of Harmful Shellfish Pathogens

...ficus in oysters suggests that strains virulent to humans may be more invasive to--and persistent in--oysters. The Dover center, a field location of the ARS Eastern Regional Research Center in Wyndmoor, Pa., also studies methods to detect norovirus and the hepatitis A virus in shellfish. It also develops h...

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

...ow it in culture. In fact, M. leprae only lives in humans and in armadillos (which might have acquired the bacterium by eating infected human cadavers), and it can also grow in the footpads of mice. Cole and his international research team compared the genomes of seven strains of M. leprae taken from patie...

Mice brains shrink during winter, impairing some learning and memory

...s gain insight into seasonal brain dysfunctions in humans such as seasonal affective disorder, Nelson said. Nelson conducted the study with Leah Pyter, a graduate student in neuroscience at Ohio State , and Brenda Reader, an undergraduate psychology major at Ohio State . The findings were published in the ...

Research may provide new link between soft drinks and weight gain

...in a few weeks." Results from an earlier study in humans led by Peter Havel, DVM, PhD, an endocrinology res...avel. The researchers say that further studies in humans are needed to determine if high-fructose corn syrup in soft drinks is directly responsible for the c...

Unique library of plant genes germinates, takes root at UNC

...ill undoubtedly contribute to improving crops that humans around the planet depend on every day, its develop...enetic makeup of only a handful of plants although humans are economically dependent on dozens of different ones, he said. It would be far too expensive and t...

Cancer drug slows poxvirus in mice

...with Gleevec at a dose equivalent to that given to humans being treated for CML. Next, they exposed the mice to ordinarily lethal amounts of vaccinia. All of the Gleevec-treated mice survived, while 70 percent of the untreated mice died. This finding, if confirmed in additional animal model studies, sugges...

Map of life on Earth could be used on Mars

...peculiar" ancestors. It seems that, on some level, humans and bacteria can relate. "If we see these major patterns of divergence on Earth, we should expect to see similar patterns on life on Mars, that is, if life ever existed there," Blank said. "Not the same patterns, because Mars has had a different his...

Discovery could be key to bioterrorism defense

...ry and neurologic disease emerged among horses and humans in Hendra, Australia, killing two people. Hendra r...elopment and blood vessel growth in the embryos of humans and other mammals. Broder and his team are among only a handful of scientists focusing on the virus...

Stem cell treatment improves mobility after spinal cord injury

...d therapies for treatment of spinal cord damage in humans during the very early stages of the injury. The st... It is anticipated that the stem cell treatment in humans will occur during spinal stabilization at the acute phase, when rods and ties are placed in the spin...

Program finds lost genes in nematode genome

.... "But look at the world of chess. Fundamentally, humans are better than machines at chess, but if you get a team of ten people with enough expertise, money, and equipment, and the willingness to work for ten years and burn a lot of computer power, they'll come up with a machine that can beat the world cha...

UI researcher studies deafness in fruit flies, humans

... Previous evidence suggested that fruit flies and humans rely on the same genes to develop their auditory organs, which in the fruit fly is in the antenna. Eberl's research shows that at least one molecular component specialized for hearing function, myosin VIIA, is conserved in these ears. In looking for...

Fungus-farming termites descend from an African rain forest Eve

...rmers. The agricultural lifestyle has allowed both humans and their domesticated organisms to exploit unfavo...ural proficiency, fungus-farming termites resemble humans in another respect: just like the human female ancestor was African, so was the 'Eve' of fungus-grow...

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