Tag: "been" at biology news
Diatom genome reveals key role in biosphere's carbon cycle
...aste pathway found in animals and has never before been
seen in a photosynthetic eukaryote like a diatom, she says. Nitrogen is crucial for diatom growth and is often in short supply in seawater, depending on ocean conditions. The genome work revealed that the diatom Thalassiosira pseudonana has the genes...
Time running out for South Asian vultures, ecologists warn
... is also declining rapidly. All three species have been
listed as Critically Endangered, the highest level...onment until drugs that are safe for vultures have been
identified, so we urgently need captive breeding of vultures as a precaution until that has been
NIH awards new $14.5 million, five-year grant to the Scripps Research Institute
...pps Research Institute announced today that it has been
awarded a $14.5 million, five-year grant from The ... the genomes of dozens of different organisms have been
solved, scientists all over the world are busy analyzing this genetic information. An important part...
New therapy for specific form of leukemia
...s some 700 Belgians each year. Medical science has been
at a total loss regarding the origin or cause of s... suppresses the action of ABL1. Glivec has already been
successfully administered to patients with other forms of leukemia in which ABL1 plays a role. The n...
Penn receives grant for initiative to help understand genes' effects on medications
... University of Pennsylvania School of Medicine has been
awarded a major grant from the National Institutes...ractions is complex, and progress in the field has been
hampered by the lack of a genuine interdisciplinary approach. "Biomedical research has been
US researchers show cottonseed drug is cancer treatment booster
...nd Cancer Therapeutics in Geneva that gossypol has been
shown by many groups to have anti-tumour activitie...o," said Dr. Xu. "The natural form of gossypol has been
extensively tested in humans and is well tolerated for long-term use. If we use the more active form...
Yearling horse auction to benefit equine research
...ector of the Middleburg center. The yearlings have been
bred and cared for as part of the research program at the Center. Yearlings sold at previous sales have matured to show, hunt, race, and jump. This year's sale includes a granddaughter of Secretariat whose half siblings have won close to $450,000. Ma...
Commandeering cellular machinery: recognition mechanism to detect small molecules
...response to these small molecules, scientists have been
attempting to understand them and solve their mole...oid x receptor (RXR) whose molecular structure has been
well documented by other researchers. Using a technique known as structure-based codon randomizatio...
National Science Foundation awards $2 million grant to UC Riverside
... is used by plants as fertilizer. "California has been
subject to weed invasions since the arrival of the...ern California coastal sage scrub and deserts have been
experiencing weed invasions primarily in the last 40 years, since the level of nitrogen deposition h...
Of lice and men
...umans is surprising because "Homo erectus has long been
thought to have gone extinct hundreds of thousands of years ago," although recent studies suggested Homo sapiens might have had contact with Homo erectus in Asia 50,000 years ago. Reed says: "Not only did modern humans live contemporaneousl...
An embryonic stem cell model for Parkinson's disease
...son's neuropathology. Oxidative stress has long been
associated with neuronal cell death and neurodegenerative diseases like Parkinson's. Proving a causal relationship between oxidative stress and neurodegeneration, however, requires establishing a molecular mechanism. These results support a link betw...
Endangered frogs coexist with fungus once thought fatal
...ogs between 1994 and 1998 - before the disease had been
identified. The marked frogs were released back into the wild at the time the samples were collected. The authors found fungal infections in the samples of two species, including T. eungellensis . An analysis of tissue from recaptured frogs during t...
Columbia University scientist wins 2004 Nobel Prize
...geons, Columbia University Medical Center. He has been
at Columbia University Medical Center his entire c...in a group of 70 notable Columbians whose work has been
recognized by the Nobel Foundation, including 19 in the category of physiology or medicine. "Colu...
A treatment, not a cure: Calcium silicate neutralizes an acidic stream
...vered acid rain at Hubbard Brook in the 1960s, has been
investigating human-accelerated environmental change there for over four decades. A network of researchers and agencies, including over 70 scientists, has made the 3,160-hectare forest one of the most intensively studied watersheds in the world. "Ye...
Fungus knocks a frog down but not out, raising questions about amphibian declines
...drobatidis appears to be especially lethal, having been
implicated in massive declines and waves of extinc...s," said Retallick. "The presumption until now has been
that when a population is hit by this pathogen it is wiped out. It doesn't appear to be that simple...
HHMI researchers Richard Axel and Linda Buck win 2004 Nobel Prize
...k recalls that "I had tried so many things and had been
working so hard for years, with nothing to show fo...1991, I couldn't believe it! None of them had ever been
seen before. They were all different but all related to each other. That was very satisfying." The d...
How roots control plant shoots
... stems, leaves, flowers and fruits. But little has been
known about how genes active in roots control these chemical signals, Sieburth says. The new study reveals part of the answer, and indicates a previously unknown plant hormone a chemical probably made from carotenoids is involved. Carotenoids inc...
Talented sniffer: A receptor known for guiding sperm to egg plays a role in the nose
...nally in the context of conventional olfaction has been
a longstanding question. In their current study, a team of researchers including Marc Spehr of the University of Maryland and Katlen Schwane of Ruhr-University Bochum, Germany, addressed this question by using a number of experimental approaches. ...
Research team develops nonhuman primate model of smallpox infection
...e variola research was conducted. "This report has been
the basis for the national smallpox research agenda, and these papers are the first significant publications to come from those efforts." In addition to Jahrling and LeDuc, the research team included Lisa E. Hensley, John W. Huggins, and Mark J. Mart...
Stanford researchers establish center for physics-based simulations of biological structures
...ries from the benchtop to the bedside. "There has been
over the last couple of decades a lot of progress in simulating biological structures in order to understand how they work and how they function," said Altman, a practicing physician and bioinformatics expert who holds departmental appointments in Ge...
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