Tag: "uncovering" at biology news

Renowned yeast and human geneticist at UCSF receives major research honor

...s enter the blood stream. The research is not only uncovering the range and pattern of transporter variation in humans, but also revealing evolutionary and functional constraints on that variation. In other research relevant to pharmaceutical sciences, Herskowitz's team recently reported the way in which yeast...

Arsenic in drinking water may be linked to cancer Dartmouth study finds

...person's blood. "We were primarily interested in uncovering the mechanism to explain how arsenic causes cancer," said Andrew, noting that arsenic is a well established carcinogen. "This study supports the hypothesis that arsenic may act as a co-carcinogen --not directly causing cancer, but allowing other sub...

Texas chemist wins national award for vitamin, other natural products research

...h 25 by the world's largest scientific society for uncovering and recreating the processes nature uses to build vitamins, enzymes and other compounds potentially useful in medicine. He will receive the 2003 Nakanishi Prize from the American Chemical Society at its national meeting in New Orleans. With more than...

American Physical Society March Meeting 2003

...d noncoding (junk) DNA in parallel, with a view to uncovering the statistical properties of the two kinds of DNA. He will also present arguments for the possible roles of noncoding DNA in the genome. Background and details regarding these arguments are available on the website http://polymer.bu.edu/hes . SOL...

Radiation-resistant organism reveals its defense strategies

...if they can barely budge? This question led to the uncovering of another of the microbe's survival strategies: out of the four copies of DNA, there are always two or three tightly packed in a ring while the other copies are free to move about. Thus at any given moment there are copies of DNA that drive the prod...

Science's top ten: Discovery of genes' 'control switches' named top advance of 2002

...r understanding of the cell and its evolution, and uncovering new leads for treating diseases, such as cancer, caused by errors in the genome. An array of recent studies has revealed how small RNAs can switch various genes on and off, and even trim away unwanted sections of DNA. One of the field's most electri...

Clock cues: Cellular sensing, metabolism research wins Amersham Biosciences and Science Prize

...asn't enough: Rutter also took on the challenge of uncovering the biological role for an enzyme called PAS kinas...uses encode proteins that fight against silencing, uncovering an arms race between viral and host DNA. EUROPE/Sisters Stick Together: The critical process of cell...

Model for common type of cancer developed by UCLA scientists

...B-cell lymphomas, a discovery that may lead to the uncovering of the genetic mutations that cause these types of cancer. Mature B-cell type lymphomas account for about 85 percent of all lymphomas. The basic science discovery is outlined in the Oct. 29 issue of the peer-reviewed journal Proceedings of the Nation...

International consortium launches genetic variation mapping project

...ers face a much tougher challenge when it comes to uncovering the genetic contributors to more common diseases, such as Alzheimer's disease, arthritis, cancer, diabetes, schizophrenia and stroke. These disorders are caused by many genetic variants that individually have a relatively weak contribution to the dis...

Salk Institute professor Sydney Brenner receives 2002 Nobel Prize for medicine

...te for Biological Studies. "He was responsible for uncovering the basic principles of how DNA instructs cells to make proteins and he was the first to sequence the genome of an entire organism (the worm C. Elegans), work that set the stage for understanding the field of cell death, which is crucial to our under...

Researchers discover genes that control regulatory functions in malaria mosquitoes

...maps" in species such as the fruit fly. While uncovering genes and their locations on the chromosome, along with speculating on function, is important, more in-depth knowledge will be necessary before the researchers can find a way to make the mosquitoes less likely to deliver parasites that cause malaria....

Flawed sampling, not just pollution, may be responsible for beach closings

...tal Science and Technology, they published a paper uncovering evidence that bird droppings in a nearby wetland contributed fecal matter to Huntington Beach, raising the levels of hazardous bacteria in the water. Those findings contradict a longstanding belief that wetlands filter out pollutants. The researchers...

First primate archaeological dig uncovers new tool development links

... have proved archaeology to be a feasiblemethod of uncovering past chimpanzee sites and activity areas in rainforest environments. This introduces the possibility of tracing the development of at least one aspect of ape culture through time, said Mercader, a visiting assistant professor at GWU. Melissa Panger...

Studying the strength of protein bonds one molecule at a time

...is the same for each individual pair. The trick to uncovering the strength of a single bond between proteins was the use of the laser tweezers. Laser tweezers cannot manipulate individual molecules, as such, but Penn scientists developed a new model system using tiny pedestals and beads that can be trapped and ...

Mitokor publishes human mitochondrial genome sequencing study - American Journal of Human Genetics

... form the basis of ongoing investigations aimed at uncovering the association of variations in mitochondrial DNA with diseases of aging such as Alzheimers and type 2 diabetes mellitus. The data may be accessed at http://www.mitokor.com/science/560mtdnas.php . The paper entitled: Reduced-median-network analysis...

Studies of genes in mice and common worm may accelerate research on blood diseases, cancers

...patterns from egg to mature adult provide clues to uncovering the counterpart but more complex genetic patterns in mice, and mice patterns are closely akin to the still more complex human genetic mechanisms, he said. Camerons later mouse study revealed that when the Gfi-1b gene is muted in mice, their blood-ste...

Scientists reveal role for nitric oxide during brain development

...ric oxide. Thus, Enikolopov and his colleagues are uncovering universal principles concerning the antiproliferative power of nitric oxide and how this power is harnessed to create everything from diverse blood cell types, to correctly proportioned organs, to the complex anatomy of the brain. ...

New small gene class found by Dartmouth geneticists may exert far reaching influence on cell behavior

...os estimates conservatively. "The nice thing about uncovering this many microRNAs is that it places before us a buffet of questions and research projects larger than any one group could possibly pursue." The excitement lies in these unanswered questions and new opportunities. The convergence of researchers i...

Researchers discover secrets of Anthrax's killer toxin

...igators took X-rays of LF as it attached to MAPKK, uncovering key details of the toxin's surface and how it binds in a specific way to its target protein. "LF grabs on by means of a long groove in the toxin molecule," says Dr. Liddington. "By understanding how LF attaches to MAPKK, we now have the information...

Weight more closely linked to early puberty in preteen white girls than black girls

...t girls are entering puberty earlier, and they are uncovering differences between blacks and whites, she said. The latest NHANES growth data, which comes from a large national sample, shows that both boys and girls are getting their growth spurts earlier now than they were 30 or 40 years ago. Growth spurts tend...

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