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Tag: "reveals" at biology news

Genome study of beneficial microbe may help boost plant health

...n fighting plant diseases. "This genomic sequence reveals previously unknown traits of P. fluorescens that increase its potential for biological control," says Loper. She is a plant pathologist with USDA's Agricultural Research Service (ARS) and is based at Oregon State University, Corvallis. The P. fluores...

Scientists discover global pattern of big fish diversity in open oceans

...Express http://www.sciencexpress.org) on July 28th reveals a striking downward trend in the diversity of fish...distribution of big fish though space and time. It reveals that some areas recognized today as good fishing are perhaps even more important than we realize ?wh...

Researchers make headway in mystery of migraines

...roceedings of National Academy of Sciences (PNAS), reveals how gene mutations known to cause a form of inherited migraine--the kind that cause debilitating headaches and light flashes known as auras--target a cellular process involved in brain cell communication. "A number of mutations have been shown to re...

Deep thinking: Scientists sequence a cold-loving marine microbe

...f Sciences (PNAS) Online Early Edition July 25-29, reveals key biochemical tools that cold-adapted, or psychrophilic, bacteria can use to survive in subzero temperatures. In particular, some of C. psychrerythraea's estimated 4,937 genes apparently code for adaptive traits such as cell membranes packed with p...

Brown-Harvard team solves mobile DNA's surgical sleight-of-hand

...a Brown University and Harvard Medical School team reveals the crystal structure of λ-integrase (λ-INT), the protein responsible for this DNA doctoring in the lambda virus, which infects and lives off Escherichia coli (E. coli) bacteria. The findings are important because lambda is a model virus used to und...

Enlisting genomics to understand flu evolution

...) Whole-genome analysis of human influenza A virus reveals multiple persistent lineages and reassortment among recent H3N2 viruses. PLoS Biol 3(9): e300. ...

Scripps research scientists solve structure of a critical innate immune system protein

... of 23 leucine-rich repeats (LRRs). The structure reveals details of TLR3 that have never been seen before, ...sts solved lies on the outside of the membrane and reveals the potential binding site for its ligand, double-stranded RNA. TLR3 forms a large horseshoe shape ...

New insights into how Huntington's disease attacks the brain

...r. Now a new UCLA Neuropsychiatric Institute study reveals the first strong evidence that the mutant protein also elicits toxic interactions from neighboring cells to provoke the fatal brain disorder. The May 5 edition of Neuron reports the findings. "This is really important because most current disease mo...

The genetic origins of corn on the cob

...we don't yet know if this is the case." The study reveals that plants with more ramosa1 activity (e.g. typical corn) tend to have fewer branches, shorter branches, and fewer flowers whereas plants with less ramosa1 activity (e.g. sorghum, rice, and the ramosa corn variety described above) tend to have more ...

$6.5 Million Grant for Microarray Center at Yale School of Medicine

...we don't yet know if this is the case." The study reveals that plants with more ramosa1 activity (e.g. typical corn) tend to have fewer branches, shorter branches, and fewer flowers whereas plants with less ramosa1 activity (e.g. sorghum, rice, and the ramosa corn variety described above) tend to have more ...

Exercise training in ordinary people affects the activity of 500 genes

...ctivated in regular cycle training. The study also reveals that great differences in training response may be due to the ability in some people to activate their genes much more forcefully. The study is published May 2 in FASEB Journal. It is common knowledge that it is very dangerous to be inactive and tha...

Men Estimate Men's Risks Of Common Disorders Higher Than Women Do, And Vice Versa

...lay perceptions about gender differences in health reveals that both men and women believe health risks are h...dical treatment). The University of Glasgow study reveals that when a respondent considered one sex more at risk than the other, men were thought more likely ...

Spiders help scientists discover how muscles relax

...truction," the researchers wrote. "The structure reveals how the helices of the myosin heads are formed and maintained and how the filaments are switched off due to interactions between the myosin heads Padron explained. "It also opens the way to understanding how the thick filaments are activated." The ...

Thinking the pain away? Study shows the brain's painkillers may cause 'placebo effect'

...can images, which were made using a technique that reveals the activity of the brain's natural painkilling endorphin chemicals, also called endogenous opioids. Endogenous opioids bind to brain cell receptors called mu-opioid receptors, and stop the transmission of pain signals from one nerve cell to the ne...

Spider blood found in 20 million year old fossil

... that the shape and position of the blood droplets reveals which direction the spider was travelling in. It also reveals which of the spider's legs broke first. David discovered the fossil in 2003 during a visit to the M...

Fundamental discovery -- Bone fracture

...suring bone mineral density is valuable because it reveals how much bone a person has left. The amount of an individual's bone mineral density peaks around age 30, then decreases for the rest of his or her life. By the time the person becomes elderly, very serious bone loss may have occurred. "As if this we...

Survival of heart patients on beta-blockers varies greatly with genetic variation

... survival, on average." Recent research, however, reveals that variations in the beta-adrenergic receptor genes affect the benefit of beta-blockers in heart patients. Data indicate that variations of the genes influence such parameters as blood pressure response in hypertensive patients and heart function i...

Past droughts geographically widespread in the West, according to tree-ring data

...erienced in the 1950s; The tree-ring record reveals that between 1200 and 1903, the Salt/Verde river basin had at least eight droughts as severe as the 1950s drought. Ester said the findings will help devise an assessment tool for implementing the project's results into operational water supply dec...

Ants, not evil spirits, create devil's gardens in the Amazon rainforest, study finds

...spread the herbicide phenomenon is. "Megan's work reveals a system that is amazing because the ants exert so much control over their environment, creating single-species stands in one of the most diverse places on Earth," Gordon says. ...

Sugar helps control cell division

...lator of cells' natural life cycle. The discovery reveals that, when disturbed, this process could contribute to cancer or other diseases by failing to properly control the steps and timing of cell division, the researchers say. The findings are described in the Sept. 23 issue of the Journal of Biological C...

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