Tag: "that" at biology news
Newly Discovered Gene Halts Cell Division and May Have Cancer Link
...ttering Cancer Center have identified a human gene that
arrests cell division in the laboratory and, when ...ue of the journal Science . The study suggests that
if the gene's activity is blocked, cell division continues haphazardly and can lead to the formation...
Cholesterol Anchor Helps Signaling Proteins Direct Development
...e on scientists, and its newest stunt has revealed that
cholesterol, often villified for its role in heart... Howard Hughes Medical Institute scientists report that
hedgehog proteins, an unusual group of proteins that
help shape many features of a developing embryo...
Researchers Find Genetic Clues To Intestinal Disease
...shed studies, Johns Hopkins researchers have shown that
an intestinal disease affecting 400,000 people in ... States is actually a variety of related disorders that
can be inherited and cause similar symptoms in close relatives. The findings will help physicians pr...
Gene Discovery Could Overcome Aluminum Barrier To Higher Wheat Yields Worldwide
... in three other countries have found a gene in rye that
could help wheat, a major food staple, grow on millions of acres worldwide that
are now hostile to the crop. Plant geneticist J. Perry Gustafson of USDA's <A HREF="http://www....
Six-Year Drilling Project to Uncover One Million Years of Earth History
...ll study formation of volcanoes and the mechanisms that
operate within Earth's mantle," says Leonard Johns...s thought to have produced the string of volcanoes that
make up the Hawaiian Islands chain." Adds Don DePaolo, a geologist at UC Berkeley, "This pro...
'Juliet' Evades Primate Center Expedition
...s observations supported the accuracy of estimates that
thediademed sifaka will be extinct in about 20 yea... de la Gare areain late November. "Since we found that
the lemurs grew more wary the longer we were there,Charlie will spend only two or three days at a ti...
Behemoth Animals May Follow Same Extinction Patterns
...ciety of America in Denver. "Most people believe that
we understand the extinction of the dinosaursnow that
we have proof of a large meteor event at the time of their finaldemise," says Cuffey. "The KT meteor...
Changing Continental Runoff Patterns Could Change Ocean Circulation
...ve the capacity to alter the amounts of freshwater that
run off into the oceans and that
could alter ocean circulation patterns." Bice, Dr. Eric J. Barron, professor of geosciences and...
NCAR Scientist Models Earth's Climate and Vegetation Patterns At Last Glacial Peak
..., it translates into regional average temperatures that
were colder than today's temperatures by 2 to 20 d... the climate model Felzer added a vegetation model that
included 110 different plant types divided into 12 categories, including needle-leaf evergreen and b...
NCAR Scientists Trek To Africa For Biosphere-Atmosphere Chemistry Study
...ution day in a major city. Satellite pictures show that
the plumes of ozone stretch, at times, as far as S...here. "There's never been a program in this region that
has combined all the elements of photochemistry, biochemistry, and meteorology," says NCAR's Pat Zim...
North America Hit Hard By Asteroid Strike In Yucatan 65 Million Years Ago
...small are notalike. A new study says the asteroid that
struck Earth 65 million years ago andwiped out the...s contact with Earth coupled its impactenergy with that
of the atmosphere and planetary surface to send waves ofground-hugging, vaporous fireballs onward, t...
An Equal Opportunity Extinction? Cincinnati Geologists Find Global Impact from Permian Die
...annual meeting of the Geological Society ofAmerica that
the Late Permian mass extinction was global in its...he same effect. Traditionally, geologists believed that
tropical areas andhigh-diversity marine environments such as reefs were hit hardestduring mass extin...
UC Berkeley, U.S.G.S. Scientists Discover Microscopic Invader Of San Francisco Bay, The First Known Marine Microbe Invader Of U.S. Waters
...bly hitching a ride in the ballast tanks of a ship that
took on water in a Japanese port and emptied its t...ing sites. The introduction of an exotic organism that
spreads as rapidly as T. hadai is a matter of considerable concern, Sloan says. In particular this i...
Northwestern Scientists Discover How Herpes Simplex Virus Infects Cells
...sityMedical School have discovered a human protein that
provides a pathway forherpes simplex virus to infe...ssociate in Spear's laboratory, cloned ahuman gene that
induces production of a protein that
allows herpes simplexvirus to penetrate into lymphocytes. Morgy...
Antarctic Science Season Gears Up With Searches for Meteorites, Neutrinos, and New Life Forms
...ion to search for more meteorites on the continent that
yielded ALH84001, the now-famous meteorite from Mars that
may contain fossil life. The National Science Foundation (NSF) is supporting approximately 1...
Scientists Identify Retrovirus-Like Components In Corn Genome
WEST LAFAYETTE, Ind. -- Scientists have long known that
genes make up only a tiny percent of the genetic m...have larger genomes than others, and they indicate that
some plants may be able to thwart certain viruses that
are devastating to humans. Every living organ...
Study Examines How Mechanisms Evolve To Regulate Bee Development
...findings shed evolutionary light on the mechanisms that
regulate behavioraldevelopment in the drones' sist...kers again grew up fast, suggesting,Robinson said, that
drones and workers have similar control mechanisms intheir brains, even though their functions in be...
Scientists Trek to Africa for Biosphere-Atmosphere Chemistry Study
...Africa region is one of several areas in the world that
play an influential role in global chemistry cycle...tion day in a major city. Satellite pictures show that
the plumes of ozone stretch, at times, as far as South America. EXPRESSO may shed light on a global...
Genetic Makeup May Explain Why Some Women Smokers Develop Breast Cancer While Others Don't, UB Study in JAMA Reports
...rican Medical Association. The results showed that
postmenopausal women born with the slow-acting gen...king has been implicated." Earlier studies showed that
smokers with the slow-acetylation genotype for NAT2 had higher levels of tobacco's carcinogenic comp...
Animal Studies Indicate Aging Brain Responsive To Estrogen
WASHINGTON -- Duke researchers have found that
aging female rats treatedwith estrogen show more c...he scientists believe theirfinding offers evidence that
minor memory losses sometimes associated withaging might be alleviated by replacing estrogens. The ...
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