Tag: "root" at biology news

Getting at the roots of terrorism

...with its oil profligacy as a clear single-resource root of policies have served as triggers in the Middle ...or disparities while trying to unravel the complex root causes of terrorism. After all, we would reap many other benefits from improving conditions in devel...

JGI to decode DNA of destructive plant pathogen

...responsible for sudden oak death syndrome, soybean root rot, and a wide variety of other destructive plant...dden oak death, and P. sojae, which causes soybean root rot, resemble fungi but are actually Stramenopiles, a group of oomycetes or "water molds." Phytoph...

Cystic fibrosis gene mutations missing from some cases

... of its gene (so-called "epigenetics"), are at the root of these patients' conditions. To cause disease, any changes must reduce or alter how the CFTR protein works. In classic CF, there's no working CFTR protein, and a thick mucous forms that traps bacteria in the airways, causing infections. In the no...

Southern 'stroke belt' study initiates nationwide study

...willhelp us get closer to identifying not only the root causes for stroke, butfor other related diseases as well." Each of the 30,000 REGARDS participants will have blood samplestaken in their homes, which will then be shipped to the UVM lab. Whenreceived, samples will be "spun" in a high-speed centr...

Researchers create new strategy for removing arsenic from soil

...he genes into cottonwood trees, which have a large root system and could be useful in the phytoremediation of arsenic." Most arsenic in surface soil and water exists primarily in its oxidized form, arsenate. Plants actively take up arsenate, mistaking it for phosphate and transfer it to their leaves. The ...

NSF awards $75.6M for plant genome research

...ant resistance to pathogens, and genes involved in root and fruit development. All the Young Investigator Award recipients have earned doctorates since January 1997 and are at the beginning of their independent research careers. Plant genomic research provides the nation with scientific understanding of...

Rogue trees get criminal treatment from scientists.

...'s easy to tell the difference between an oak tree root and chestnut tree root, for example. It's when you...k by taking samples from the suspect trees and the root causing the subsidence. The team then employs three methods of genetic analysis in the laboratory t...

Fungus-enhanced plants popular with grasshoppers

...Tucson, Ariz. Fungi called mycorrhizae live in the root systems of nearly all land-based plants. The fungus is not dangerous. In fact, it gives nutrients like phosphorus and nitrogen to the plant, while the plant feeds the fungus with life-giving carbon. The mutually beneficial relationship is called symb...

CWRU scientists demystify protein at root of arthritis

...ecan, a widely studied protein at the submolecular root of arthritis, a finding that brings scientists closer toward new drugs and other interventions to prevent or alleviate the disease. "Aggrecan acts to organize and densely pack sugar molecules that give cartilage its resilience," said Steven Eppell, a...

Researchers discover molecular 'switch' that tells body to store or burn fat

...tory at Rockefeller. Leptin, named after the Greek root "leptos" meaning thin, was subsequently identified by Friedman's group in 1995. Friedman and his colleagues showed that leptin is a fat cell hormone that functions as a nutritional signal to regulate body weight, metabolism and other physiologic proc...

Gene linked to type 1 diabetes

... creation of the defective T cells that are at the root of diabetes," MacMurray says. Lernmark and colleagues identified a genotype, HLA DQ2/8, which may be responsible for 60 percent of the genetic contribution to type 1 diabetes. Researchers know that it's only responsible for some type 1 diabetes. For ...

Fungi help some trees weather acid rain, not all

...ortunate enough to be associated with the types of root fungi that supply calcium," he says, pointing to s...ial "weathering" of apatite by the ectomycorrhizal root fungi, some trees in acid rain-drenched soils probably would not be getting enough calcium, the rese...

UC Riverside scientists report molecular switch assists plant survival in floods

...eed and detected a molecular switch in many of the root cells. This switch, called 'Rop,' needs to be turned up and then down to initiate the proper physiological response to this stress of low oxygen." "This is breakthrough research," said Airica Baxter-Burrell, graduate student in plant genetics at UC ...

Stanford researcher advocates aggressive, preventive anal cancer treatment

...Not all doctors, however, agree that HPV is at the root of the cancer. Most doctors instead simply treat anal cancer once it develops rather than take a preventive approach. "There's no other organ where we wait until cancer develops," Welton said. He pointed to the cervix, breast, colon and skin ...

Site of US Open at Bethpage is reducing pesticide use

...nch. The longer grass should reduce the stress on root systems, rendering healthier plants. "Letting the bentgrass grow that high is a huge change in the world of golf," says Grant....

Collaboration advances potential therapy for autoimmune diseases

...cks itself rather than protects itself. While the root causes of these attacks largely are unknown to scientists, results can be organ-specific disorders, such as insulin-dependent diabetes that affects the pancreas, or disorders that impact the entire body, such as rheumatoid arthritis, in which joints ...

Tips from the Journals of the American Society for Microbiology: May 2002

...imicrobial Agents and Chemotherapy. Licorice, the root and rhizome of the Glycyrrhiza species, has been used for centuries as a medicine because of its wide-ranging therapeutic properties and recent chemical analyses have found a wide variety of bioactive compounds in licorice. The researchers tested th...

CF Foundation seizes proteomics for drug discovery

...ssibility of discovering drugs to intervene at the root of the disease. Recently, automation of established methods to analyze proteins has made the technology more rapid and comprehensive. Recognizing this evolution in proteomics technology, the CF Foundation decided the time was right to make use of th...

UPCI presents study on estrogenic activity of medicinal botanicals

...otherwort leaf, saw palmetto berry, rhodiola rosea root and red clover blossom were the most potent in ter... and extracts of maca root, cramp bark and tumeric root were the least potent....

Megavitamins may help treat many genetic diseases, could tune up everyone's metabolism

...ected that enzyme/coenzyme binding might be at the root of many diseases while teaching an undergraduate laboratory course in biochemistry 30 years ago. As students isolated mutant microbes and characterized the defective genes, they found that many coded for enzymes with a problem binding to a cofactor. ...

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