Tag: "biology" at biology news

Gene-Altered Mouse May Provide New Insights To Parkinson's Disease, Substance Abuse And Schizophrenia

...Caron, a Hughes investigator and professor of cell biology at Duke,said initial studies with the mice already... deletion would have sucha profound effect on both biology and behavior," Caron said. "Webelieve this mouse will provide an ideal model to study addictive beha...

Humble Pocket Gophers Shed Light On The Genetic Fortitude Of Cheetahs

...isbelieved the cheetah results," says conservation biology pioneer Michael Soule, research professor of environmental studies at UCSC and adviser to Sanjayan and Crooks. "We showed it could happen in a natural population." The team studied 44 animals from two populations of the pocket gopher, Thomomys bottae...

Study Shows Songbirds Switch From Bugs To Berries To Fuel Fall Migration

...suggests important aspects of the birds' migration biology mayhave been overlooked. "Many of these migrant birds behave very differently during migrationcompared to the summer breeding season in our forests and backyards where theiractions and needs are more familiar to us," said Parrish. "Their diet andhab...

Harvard, Duke Researchers Discover 'Off-switch' Inside Human Cells

...rick Casey, associate professor of molecularcancer biology at the Duke cancer center, and an author of the Na...o-author. He isprofessor of molecular and cellular biology at Harvard University. Otherco-authors of the paper are Duke graduate and medical student Timothy Fi...

Duke Ecologist Says Logging Is Creating 'Mahogany Deserts'

...ssistant professor of the practice of conservation biology atDuke's Nicholas School of the Environment, details her findings in an articlepublished in this month's Botanical Journal of the Linnean Society. Shewill also discuss her research at the International Conference on Big LeavedMahogany: Ecology, Genet...

Major Plant Genome Research Project Underway

...l to our existence, increased understanding of the biology of plants will impact every facet of our lives, from agriculture, to energy, to the environment, to health," says Clutter. In 1990, the Multinational Coordinated Arabidopsis thaliana Genome Research Project was launched by an international ...

How Birds Sing

...oliash, Ph.D. , associate professor of organismal biology and anatomy , and Albert Yu, M.D., a graduate student in neurobiology , have provided the most detailed look yet at how the brain controls singing in the zebra finch, which Margoliash calls the "white rat" of songbirds. Neurobiologists have used the...

Researchers Identify A New Cellular Structure: The "Dumposome"

...id Allis, theUniversity of Rochester professor of biology who led the group ofresearchers. "It's basically a little garbage disposal for eating extra DNA." Dumposomes appear only briefly during the life cycle of Tetrahymena. Over a five-hour period during reproduction,molecules of a structural protein...

Cholesterol Anchor Helps Signaling Proteins Direct Development

...Beachy, Ph.D., an associate professor of molecular biology and genetics and a Howard Hughes Medical Institute investigator. "I'd be very interested in the effects of cholesterol levels and the presence of substances that affect cholesterol formation." He cautions that many of the patterning events directed b...

Antarctic Science Season Gears Up With Searches for Meteorites, Neutrinos, and New Life Forms

...glaciology, oceanography, atmospheric science, and biology -- is supported out of NSF's McMurdo Station, loca...e region this season, illuminating the ecology and biology of these mysterious organisms. Hot and Ultraviolet The greater amount of ultraviolet light...

Recruiting Mole-Rats

...rgraduate at the time of the experiments and now a biology doctoral student in Colorado, wondered. And how do other mole rats, in colonies that average 75-80 closely-related kin, find their way through pitch-black tunnels to the newest food source? As soon as a mole-rat scout located the biologists' stash o...

Researchers Develop Model Using Birds As Indicator Of Wetlands Health

...nuing that work as a doctoral student in thelab of biology professor Michael Miller. Birds turned out to be a good indicator for several reasons.Different species of birds prefer different environments. So ifyou find many water-loving birds and few birds adapted to drierhabitats, that's an indication that th...

Scientists Identify Gene For Sexual Behavior In Male Flies

... Steven Wasserman, associate professor ofmolecular biology and oncology at UT Southwestern, an expert on them... genetics of fertility; Jeffrey Hall, professor of biology atBrandeis University and an expert on genetics and fly sexual behavior;and Barbara Taylor, assistan...

Researchers Find How Disease-resistant Plants Recognize Bacteria

...laboratory of Brian Staskawicz, professor of plant biology at the University of California, Berkeley. The papers represent major breakthroughs in the understanding of the molecular basis of how plants resist diseases. "The field of plant disease resistance has just crystallized in the past two to three years...

New Finding Suggests "HATs" Are Key To Gene Activation Puzzle

...ts for years," says C. David Allis, a professor of biology who madethe finding with post-doctoral fellows Craig Mizzen and JamesBrownell at Rochester. "Gene activation at the right time and place is critical for cell survival and properdevelopment. Scientists have proposed many different mechanisms for how g...

New Nonviral Gene Therapy System Could Help Fight Cancer

...omas E. Wagner, professorof molecular and cellular biology at Ohio University and aninventor of the T7 system. "We have expressed more than 30 different types of genesusing the T7 system, including genes that promote anti-canceractivity," Wagner said. The T7 vector gene therapy system is unique bec...

Bigger Biology Tackled Through Keyboards

...a certain point it goes very fast." Computational biology is at that point, the authors agree. Dazzling newh... a research training grant in nonlineardynamics in biology from the National Science Foundation. UC Davis is consideredamong the world's leading campuses in qu...

Scientists Determine 3-D Crystal Structure Of Cancer-Causing Protein

... launching of the scientific field of modern cell biology . The university has ties to 19 Nobel laureates, includingthe university president, Torsten Wiesel, M.D., who received the prize in 1981.Recently, the universitycreated four centers to foster collaborations among scientists fromcomplementary fields ...

'BirdSource' Website For Citizen-Science Data

...urs and professionals in the ecology, evolutionary biology and conservation of birds....

New Study Shows Steps Leading To Colon Cancer

...ves," said Dr. Mark Peifer, assistant professor of biology at the University of North Carolina at Chapel Hill..." he said. Fruit flies are far more important in biology and medicine than most people realize, Peifer said. "Two years ago, the Nobel Prize in medicine an...

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