Tag: "identification" at biology news

Araucariaceae of New-Caledonia: endemic species in danger

... this family. Many questions remain concerning the identification of certain species of the genus Araucaria, owing to polymorphism of vegetative characters. Furthermore, although it is recognized that the Araucariaceae family has diversified since the emplacement of ultramafic igneous rocks (2) 39 million years B...

Endurance of plants under quartz rocks possible model for life on early Earth, Mars

...properly called cyanobacteria. Wallenstein's DNA identification of the algae species in plant colony samples revealed 26 different kinds of cyanobacteria. Of those, the Ecology paper suggested that five species may be previously unknown to science. Cyanobacteria are suspected of being "one of the first colonizer...

Solving the Ebola enigma: satellites will provide clues

...he results of the serological study, a preliminary identification and description of these sites is necessary. Remote sensing can help identify such sites and focus the efforts there." By mapping the areas where infected animals are found within a GIS, areas with similar environmental features can be highlighted a...

Researchers identify molecular cause of drug-resistant prostate cancer

...drogen receptor itself." According to Sawyers, the identification of a single difference between hormone-sensitive and hormone-refractory cancers was entirely unexpected. "We never really required that there even be one consistent change," said Sawyers. "We were fully prepared to find a signature of expression diff...

Third set of awards are announced under interagency biodiversity program

...nmental and community groups. Projects include the identification and characterization of chemical compounds derived from biological diversity that have potential as therapeutic agents for diseases such as cancer, AIDS, parasitic diseases, drug addiction, mental conditions and heart disease, all of which are of con...

Vanderbilt researchers receive fellowships to support early identification, genetic causes of autism

...seven recipients selected internationally. "Early identification of autism is the first step toward providing children with tailored services, which have been associated with significant gains in all areas of development," Stone said. "This fellowship will support research to extend our autism screening measure, t...

Scientists discover way to streamline analysis of maize genome

...le both of these methods increase the rate of gene identification from maize genomic sequence, our analysis implies that they have biases; this suggests that both methods are required to ensure comprehensive coverage of the maize gene space," says W. Brad Barbazuk, Ph.D., senior bioinformatics specialist at the Dan...

Study finds evidence for global methane release about 600 million years ago

...ia, Riverside, and the article's lead author. "The identification of a methane-derived isotope signal and widespread seep-like deposits indicate the massive passage of methane through the sediments," he added. "We now have an important record of the role methane plays in climate change and the global carbon cycle."...

Discovery of brain disorder gene paves way for genetic test

...genetic counselor Tracey Leedom also of Duke. "The identification of this gene will allow more people with a familial history of the disease to be tested early. If they are found to have the gene, physicians can then conduct an MRI and begin monitoring them carefully for any symptoms." Lesions can be surgically re...

Experimental Biology 2004 meets in Washington, D.C. April 17-21

...register as press, a journalist must present media identification or a business card issued by a news organization. Media must register at the "Registration Information" Desk at the Washington, D.C. Convention Center. Media can register during the following hours: Friday, April 16 1:00 AM - 5:00PM Saturday, Apr...

Call for Entries: The 2004 Wistar Institute Science Journalism Award

...amental science underlying a major news story, the identification of an emerging trend in scientific thinking, or a thoughtful investigation of the research process. Journalism that expresses the same kind of skepticism encouraged by science itself will be given particular attention, as will coverage with the presc...

Map of genes in plant root yields new tool for exploring tissue development

... Benfey, the root has a radial symmetry that makes identification of specific cells easy, and the number of cell types in the developing root is relatively small. In creating the mosaic of cells in the developing root, myriads of genes switch on and off to regulate the production of proteins that are the workhorse ...

Tips from the Journals of the American Society for Microbiology

...bling the bacterium to thrive. "We report here the identification of yafD as a gene essential for the resistance of S. enterica serovar Enteritidis to egg albumen," say the researchers. "We provide evidence that YafD may play a role in the repair of DNA damage caused by egg albumen and hence may facilitate the sur...

Satellites spy deaths in rain forests (Clark et al.)

... satellites are of high enough resolution to allow identification of individual canopy trees and detection of individual tree deaths. The ability to locate and follow individual canopy trees from space, they suggest, will usher in a new age of global monitoring of the ecological health of tropical forests world-wid...

Novel approaches to current cellular therapies continue progress toward disease prevention

... genetic marker, a genetic "tag" which aids in the identification of successfully engrafted cells after transplantation. They then removed the nucleus from these neor positive fibroblast cells and transplanted it into an oocyte (immature egg) that was devoid of all genetic material and came from another unrelated...

Newly identified genes may help predict outcome in childhood leukemia

...ey become resistant to the therapy. Hopefully the identification of new genes will help hematologists more accurately treat patients." Leukemia is a cancer of the white blood cells that starts in the bone marrow and spreads to the blood, lymph nodes, and other organs. Both children and adults can ...

A new hope for heavy metal contaminated soils

... the genome of A. thaliana. The results led to the identification of the messages encoding proteins of key components of metal homeostasis, some more abundant in shoots and others more abundant in roots. The functions of these proteins, which could be demonstrated by the scientists or were derived from existing dat...

Cytokine signal shuts down hyperactive T cells

...mune system. According to the researchers, the identification of the role of IL-27 and its receptor has obvious clinical implications for autoimmune disorders involving T- cell mediated inflammatory responses. Autoimmune diseases, while varying in severity, result as immune cells primed and activated begin d...

Gliomas' 'molecular fingerprint' predicts how aggressive tumor will be

...k in lung cancer. Earlier this year, they reported identification of a specific pattern of 15 proteins that could be used to predict whether a group of patients would die within a year of diagnosis. That work was published in the journal Lancet. ...

Newborn screening for certain genetic disorders has benefits and some drawbacks

... Hospital, Boston, and colleagues compared newborn identification by expanded screening with clinical identification of biochemical genetic disorders. The researchers also assessed the impact on families of a false-p...

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