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Tag: "many" at biology news

Genomic Analysis Uncovers New Targets for HIV Vaccine

...nalysis represent just the first of what should be many advances. The technology used and collaborative ef...vestigators wanted to study those patients who had many sequential blood samples taken during this plateau in viral load. Before their analyses began collab...

One species, many genomes

... strain of this small mustard plant, a favorite of many plant biologists. Which detailed differences disti...ants from different geographical origins differ in many traits (the background shows schematically sequence variation in the DNA of these plants). To trac...

Research identifies protein that signals flowering in squash plants

...termining factor for the induction of flowering in many plant species. Short day (SD) plants require a short day length (or more precisely, a long night) in order to flower. These are plants that flower as the days grow shorter, such as in the fall in temperate regions. Long day (LD) plants will flower wh...

Cellular message movement captured on video

...cer researchers are eager to understand paxillin’s many interactions because their malfunctions have been ...pplying the fluorescence-labeling technique to the many other signaling and structural proteins found predominantly at focal adhesions. “When we piece al...

Researchers discover inherited mutation for leukemia

...ust lowers its expression somewhat. "Recently, many cancer geneticists have come to believe that such subtle changes are common causes of cancer, and this is one of the first, strong examples of that principle." The study succeeded because it combined the field of gene mutation research and the ne...

Agent slows aging in mice

...g. The study, now in its fourth year, will test as many as two dozen possible anti-aging agents in animals in the next five years. The other centers are the University of Texas Health Science Center in San Antonio, Texas, and the Jackson Laboratory in Bar Harbor, Maine. The scientists were surprised to...

Brain inflammation may be friend, not foe, for Alzheimer's patients

...aques that are a hallmark of the disease. While many scientists have assumed that inflammation as a res...IL-1beta stuck in overdrive had only about half as many plaques as mice without the over-active IL-1beta. Through extensive experiments, the team showed ...

Blood test may help signal tumor's remission, return in throat cancer patients

...life by damaging voice, speech, and swallowing, in many cases physicians and their patients are now opting for a combination of chemotherapy and radiation as a first line of treatment. However, there is no way to predict which patients will respond well to this treatment or whether a tumor will return lat...

Soils offer new hope as carbon sink

...rbon in agrichar remains locked up in the soil for many years longer than, for example, carbon applied as compost, mulch or crop residue. "We broadly categorise carbon in the soil as being labile (liable to change quickly) or stable – depending on how quickly they break down and convert into carbon dio...

Math that powers spam filters used to understand how brain learns to move our muscles

...ke memories. “How we learn to think operates under many of the same principles as how we learn to move,” Shadmehr says. ...

Old memory traces in brain may trigger chronic pain

Why do so many people continue to suffer from life-altering, chro...ained. “I can predict with 90 percent accuracy how many years they have been living in that pain without even asking them the question.”...

Discovery in orange cauliflower may lead to more nutritious crops

...ssential nutrient vitamin A. While cauliflower and many staple crops have the ability to synthesize beta-c...e. But this technique has proved less effective in many plants. Li's research, which increases a plant's ability to store beta-carotene, may offer an altern...

Simulations unravel outer membrane transport mechanism

...s actually works alone. Each works in concert with many other things.” Tajkhorshid is also a professor of pharmacology in the College of Medicine and an affiliate of the Beckman Institute and the Center for Biophysics and Computational Biology in the College of Liberal Arts and Sciences. ...

Hormone helps mice 'hibernate,' survive starvation

... may lead to a new class of drugs that will impact many human conditions,” he said. ...

Envisat captures first image of Sargassum from space

...wer said. "The MCI index has allowed us to find so many interesting things, including Sargassum and Antarctic super blooms. It really gives us a new and unique view of the Earth." Gower and King are now combining data from MERIS with a sophisticated processing algorithm and powerful Grid computing to ...

Dirty snow may warm Arctic as much as greenhouse gases

...ar to year, with higher temperatures in years with many forest fires. Greenhouse gases, which trap outgoing energy, are primarily responsible for the remaining temperature increase and are considered the Earth’s most important overall climate changing mechanism. Other human influences on Arctic climate ch...

Largest synthetic gene ever built offers insights into anti-malarial drug resistance

...esistance is important, but much smaller than what many researchers thought it would be," said Roepe. "Before the discovery of PfCRT, many thought PfMDR1 would be the primary culprit." Roepe, and his two other co-authors, Georgetown res...

Loss of stem cells correlates with premature aging in animal study

...ncology fields since premature aging syndromes and many cancers involve the loss of DNA repair genes.” When the researchers deleted ATR in the tissues of adult mice, they noticed that the mice showed signs of premature aging, such as hair graying, hair loss, and osteoporosis, within three to four month...

Pesticides choke pathway for nature to produce nitrogen for crops

...fellow at the University of Oregon, has shown that many pesticides interfere with the ability of legumes to recruit soil bacteria needed to provide a natural fertilizer to crops. Credit: University of Oregon Many farmers applying pesticides to boost crop yields may instead be contributing to growth probl...

Caribbean frogs started with a single, ancient voyage on a raft from South America

...una of any one continent is usually a composite of many types of animals." Yellow and black spotted fro... required nearly three decades to complete because many of the species are restricted to remote and isolated mountain tops or other inaccessible areas. Som...

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