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Tag: "along" at biology news

Bacteria control how infectious they become, study finds

...usG would regulate 2,900 of them.? But somewhere along the evolutionary path, NusG was copied and physically changed. The result was a specialized transcription factor called RfaH. Unlike NusG, RfaH controls only a small portion of gene expression. But it happens to turn on those genes that give bacteria...

Reading hidden intentions in the human brain

...ntention until numbers were presented on a screen, along with a choice of outcomes (one of which was correct for the addition choice, one correct for the subtraction choice). Subjects then selected the correct answer according to their planned task, revealing their intended action. The researchers found...

New species of snapper discovered in Brazil

...ying all Lutjanus species in the western Atlantic, along with evidence that the new species completes its life cycle in different but interdependent marine habitats such as coral reefs and mangroves. "This discovery that a large, popular fish is a species new to science shows how little we know about th...

Saving endangered whales at no cost

...nsom Myers of Dalhousie University in Nova Scotia, along with colleagues there and at the University of Rhode Island, the Woods Hole Oceanographic Institution, and the University of New Hampshire. Though it has been protected for more than 70 years, the North Atlantic right whale has been slow to recover ...

Biologists develop large gene dataset for rice plant

...SF)'s Division of Biological Infrastructure, which along with the U.S. Department of Agriculture, funded the research. "This work will contribute to an understanding of the role of small RNAs in gene expression not only in rice, but in all plants." ...

Iowa State University botanists identify new species of North American bamboo

...ane (Arundinaria gigantea) occurs in low woods and along riverbanks. Switch cane (Arundinaria tecta) is fou...ial swamps, moist pine barrens, live oak woods and along sandy margins of streams. "Most people have no idea that we have native bamboo in the U.S.," Clar...

Novel antigen-cloning technique may boost efforts to develop a melanoma vaccine

...ass II HLA and transfer them into recipient cells, along with the cDNA library. With her new technique, Herlyn expresses the cDNA library in bacteriophages that are incubated with B cells from the same patient from whom the T cells were derived. Because B cells are antigen-presenting cells, once they ha...

Researchers discover gene crucial for nerve cell insulation

...pating, allowing them to travel farther and faster along the length of the nerve cell. The researchers discovered how a defect in just one copy of the gene, known as early growth response gene 2 (EGR2) affects the normal copy of the gene as well as the functioning of other genes, resulting in peripheral...

Stability of mRNA/DNA and DNA/DNA duplexes modulates mRNA transcription

The distribution of the four nucleotides along the DNA sequence encodes the genetic information in living systems. However, do nucleic acids possess other attributes that contribute to their biological functions? Recent work of a team led by Stoyno Stoynov, working at the Bulgarian Academy of Sci...

Smoking ban dramatically reduces air pollution in Irish pubs

...udies that what smoke-free advocates have said all along is true: Comprehensive smoking bans in bars dramatically reduce the levels of fine-particulate matter, chemicals and gases in the air and improve bar workers' health." If all European countries were to adopt a similar policy, she estimates that be...

New study may show how to forestall a fatal, virus-caused immune-system meltdown

...lu,?Herzog said. “But if you have biomarkers to go along with viral diagnostic techniques you can tell which virus it is and where you are on the continuum of infection. And if you understand the signaling pathways well enough, you can stimulate or suppress the immune response in the right way at the right...

Scientists unveil piece of HIV protein that may be key to AIDS vaccine development

...s. This is certainly one of the best leads to come along in recent years." ...

Genes and biomarkers that allow doctors to choose the right therapy for the right patient

...tized for testing in the subtypes of breast cancer along with other cancers and their subtypes. When therapies are ineffective, they may produce harmful side effects and decrease a patient’s quality of life. KRAS mutation in colorectal cancer is a predictive factor of response and progression free sur...

Canada's new government invests $200M in the fight against the mountain pine beetle

...tward spread of the beetle in British Columbia and along the British Columbia–Alberta border. The program will also assist affected communities in identifying new forest products, markets, industries and services to help ensure their long-term economic well-being. The Government of Canada recognizes tha...

Illuminating the dark side of plants

...plant, and provides the latest medical information along with scientific references. An easy-to-use glossary of botanical terms helps guide the non-specialist through this fascinating and multidisciplinary field. The authors of this completely revised edition (first published by the American Medical As...

Proteins important in Alzheimer's, Parkinson's disease travel in the slow lane

...tant in Alzheimer’s and Parkinson’s disease moving along axons, extensions of nerve cells that carry proteins away from the cell body. Understanding this process of axonal transport is important for studying many neurodegenerative diseases. The study appeared in the Journal of Neuroscience. Axonal trans...

Bats prey on nocturnally migrating songbirds

...dietary specializations and trophic level position along food chains. The researchers concentrated on carbo...w species of falcons which capture migratory birds along the Mediterranean and African coasts are exclusively diurnal. Finally, owls, as typical night-active...

Twin studies reveal genetic components leading to cardiac and kidney disease

... CRP, multiple, common genetic variants were found along a pathway associated with the adrenergic system. ...are caused by genetic variation at multiple points along the adrenergic pathway. Links between adrenergic activity and renal injury could lead to novel appr...

Researchers first to map gene that regulates adult stem cell growth

...it has been identified, researchers hope the gene, along with its protein product Latexin, can be used clinically, such as for ramping up the stem cell count in cancer patients undergoing chemotherapy and bone marrow transplantation. The researchers agreed that this very process is not only intere...

40,000-year-old skull shows both modern human and Neandertal traits

...c populations (including the Neandertals) they met along the way as they spread from Africa into Eurasia." It is apparent that the Oase 2 cranium indicates there was significant modern human morphological evolution since the early Upper Paleolithic, the researchers conclude. Oase 2 is 'modern' in its ab...

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