Tag: "piece" at biology news

Research reveals role of gene in infertility

...ich the RAD51 gene is unable to function because a piece of foreign DNA is inserted in the middle of the ge...ructure known as the synaptonemal complex--a thick piece of the chromosome sitting next to another thick piece with a thin central element joining the two. ...

NRH1 and Wnt signaling come together in convergent extension

...al Biology (CDB; Kobe, Japan) have now added a new piece to the puzzle. In a report published in the advanced online edition of Nature Cell Biology, Noriaki Sasai and colleagues in the Laboratory for Organogenesis and Neurogenesis (Group Director, Yoshiaki Sasai) show that the product of the gene NRH1 is e...

Reading hexametric rhyme supports cardiac synchronization, especially after a heart attack

...spontaneous breathing (S). The researchers used a piece from Homers Odyssey in a German translation, which did not alter the rhythmic scheme of the verse. During each session an electrocardiogram and the nasal/oral airflow were recorded simultaneously. The overall duration of each session was 50-6...

Cell study leap forward for tissue engineering, diseases

...s. "Identifying this common mechanism is the first piece of the puzzle," he says. "We must now identify the molecules that allow this process to take place."...

European researchers tackle mitosis

... Europe, each of whom is contributing an essential piece towards a common goal - understanding mitosis."...

Study reveals evolution on the (butterfly) wing

...iologists Robert Reed and Michael Serfas add a new piece to the evolutionary puzzle of the butterfly wing. By comparing among species the molecular machinery that controls wing development, the researchers are revealing how the regulation of two key genes has evolved in association with specific color patt...

Access to DNA secrets yields better understanding of genes, possible tool for disease diagnosis

...o examine the compactness of DNA, but only a small piece of DNA at a time, said Ryan Weil, a UT Southwestern biophysics graduate student and the study's lead author. "One of the advantages of our array is that it sorts through lots of pieces of DNA and gives us information about each segment all at once." ...

Structure solved at Scripps shows how one human protein reduces potency of chemotherapy

...sting is one of twist and grab. AGT recognizes a piece of DNA that is damaged and binds to that DNA. Then it twists out the phosphate backbone of the DNA, exposing the damaged base, repairs the base by grabbing the offending alkyl group and transferring it onto itself, and releases the now repaired secti...

Wistar-discovered antibody will help diagnose appendicitis

...detect the infection with a gamma camera, a common piece of equipment in hospital nuclear medicine departments. The FDA approved NeutroSpec for use in patients five years of age or older with equivocal symptoms of appendicitis. It is estimated that about half of the 700,000 patients in the United States wi...

Digital evolution reveals the many ways to get to diversity

... seeks to answer questions of evolution that are a piece of the puzzle of understanding ecology. "The better we understand how our world came about, we can begin to understand how to deal with it," Ofria said. "Diversity is important to understand."...

Gerontology researchers urge scrutiny of anti-aging treatments

... the National Human Genome Research Institute. The piece also continues The Gerontological Society of America's series of summer events designed to confront the hope and hype of anti-aging medicine. The subject is addressed in special sections of the June and July issues of The Journal of Gerontology: Biol...

Ecosystem bounces back from hurricanes

...and made them more vulnerable to fishing." Another piece of the puzzle involved the areas where the blue crabs colonize, Eggleston says. Floodwaters from the rivers impeded the movement of post-larval stages of the blue crab from seawater inlets to their nursery habitats along the western shore of Pamlico ...

Continents played key role in collapse and regeneration of Earth's early greenhouse, geologists say

...ntinents.'' The record in the rocks To piece together geologic clues about what the early atmosphere was like and how it evolved, Lowe, a field geologist, has spent virtually every summer since 1977 in South Africa or Western Australia collecting rocks that are, literally, older than the hills....

Junk DNA yields new kind of gene

...ription of SRG1 prevents the binding of a critical piece of SER3's transcriptional machinery. The discovery raises tantalizing questions. How does this gene-blocking occur? Do other regulatory genes work in this fashion? Does the same mechanism occur in mammals, including humans? At the same time, SRG1 pro...

When blood can't get to brain, special CT scan helps

...pply to part of the brain, often because a clot or piece of plaque has lodged itself in a small blood vessel. This kind of stroke, called ischemic, is the most common form, accounting for 80 percent of the 730,000 strokes that occur nationally each year. Regular CT scans are a standard exam for patients wh...

Are bacteria turning our own weapons against us?

...t from multi-cellular organisms," Budd adds. "So a piece of the animal immune system a weapon usually aimed against them now seems to be helping bacteria invade our bodies." On top of that, invading bacteria with the α2m gene belong to many different groups that are not at all closely related. "We ...

Are nanobacteria alive?

...," Maniloff says. "This is not proof." One crucial piece of evidence would be finding DNA unique to these particles. "Just because other groups have not been able to identify a unique DNA sequence does not mean it does not exist," Miller says. "It just means the tools weren't right at the time." She says t...

Crop rotation may help wait out soil pathogen deadly to pumpkins

...gating that. We are trying to work out the problem piece by piece, then develop effective strategies to manage this disease. Definitely, the study that [Donglan] Tian completed provided us with very valuable information in dealing with this destructive pathogen." Soybean, corn, and wheat, the major crops ...

Domesticated tree crops may be the 'future of forestry'

.... These methods rely on the insertion of a foreign piece of DNA, called a "trap vector," at random throughout the genome. This trap vector has a unique DNA sequence and carries a gene called GUS, which results in a blue color when activated. When the trap vector lands near or next to a plant gene, GUS is e...

Closing in on treatment for Charcot-Marie-Tooth disease?

...ity Institute for Biotechnology) have discovered a piece of the molecular puzzle of this disease. Two small 'heat shock' proteins turn out to be crucial - faults in the coding genes lead to the disease. Additional research has shown that these proteins play an important role in many other neurodegenerative...

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