Tag: "regions" at biology news
UCLA/Toronto researchers unlock key to memory storage in brain
...to healthy cells and away from sick cells in dying regions
of the brain." Our memories define who we are, so learning how the brain stores memory is fundamental to understanding what it is to be human, Silva observed. "A memory is not a static snapshot," he said. "Memories serve a purpose. They are a...
Map predicting spread of avian flu
...rious control strategies, concluding that in these regions
an epidemic can only be brought to an end by massive culling of susceptible farms. For avian influenza, the analyses show that there are two poultry-dense areas in The Netherlands where epidemic spread is possible, one in the central region and one...
New findings in smell and taste
...time that each modality is represented by specific regions
in the gustatory cortex. These regions
can be used by the brain to discriminate among taste stimuli. Different People, Differen...
Scientists find major susceptibility genes for Crohn's disease
... disease. In addition, their study identified two regions
of the genome where genetic risk factors are located but no known genes were implicated further work will be necessary to identify the causal genes in these regions. More than 1 million Americans and some 170,000 Canadians have Crohn's or colitis,...
AGU Journal Highlights -- April 16, 2007
...spheric anomalies between the subtropics and polar regions
of the Northern Hemisphere. Ren and Cai investigated temperature anomalies associated with this pattern, focusing on the coupling between conditions at low and high latitudes and between conditions in the stratosphere and troposphere as revealed thro...
Scientists find major susceptibility gene for Crohn's disease
... disease. In addition, their study identified two regions
of the genome where genetic risk factors are located but no known genes were implicated further work will be necessary to identify the causal genes in these regions. More than 150,000 Canadians suffer from Crohn's disease and ulcerative colitis, k...
New diagnostic technologies offer non-invasive means
...n patterns of six tumor suppressor gene promotors, regions
of DNA that serve as regulators of gene transcription. When those promoter regions
become methylated, the cell can no longer activate its tumor suppressor genes. It is not necessar...
Rhesus macaque genome may hold clues for human health and evolution
...m that of the human genome, and that many of these regions
contained genes related to immune system response. The findings could have significant implications in microbiology and virology research, as the rhesus macaque is widely used as a model organism for studying immune response to viral infections, like...
Researchers associate calories from newspaper dessert recipes with community obesity rates
...consin Medical Journal (Volume 106, No. 2). The regions
studied were in the West (Los Angeles, Denver, Portland), Midwest (Milwaukee, Detroit, Kansas City), South (Washington D.C., Dallas, Jacksonville) and the Northeast (New York, Philadelphia, Boston). "The average total caloric content of dessert re...
Major genetic study identifies clearest link yet to obesity risk
...ol, Dundee and Exeter as well as a number of other regions
in the UK and Finland. The study found that people carrying one copy of the FTO allele have a 30% increased risk of being obese compared to a person with no copies. However, a person carrying two copies of the allele has a 70% increased risk of b...
Macaque genome analysis will help find human disease genes
...from China and eight from India, and targeted five regions
of the genome for deeper analysis, sequencing those regions
in fine detail in 47 individuals. Macaques show less variation on the X chromosome (one of the two s...
New way to catch cancer's spread, rapid 3-D retinal imaging, more at CLEO/QELS 2007
...livers light in one of the few terahertz-frequency regions
(specifically, around 4.9 THz) that does not absorb significant amounts of water. The researchers shine this light through a thin target with low water content (for example, a dried seed pod), and a detector on the other side of the sample records an...
News tips from the Journal of Biological Chemistry
...d. They show the molecular details of the various regions
of the protein, and how their functions change upon sensing RNAs. Article: " Molecular Framework for the Activation of RNA-Dependent Protein Kinase " by Sean A. McKenna, Darrin A. Lindhout, Insil Kim, Corey W. Liu, Vladimir M. Gelev, Gerhard Wagner,...
FSU leads botanical research into 21st century: Deep South Plant Specimen Imaging Project
..., one of North Americas premier and most imperiled regions
for botanical biodiversity, Florida State University is leading an ambitious project that will create high-resolution digital images of 100,000 plant specimens, then make them available to scientists and students everywhere via the World Wide Web. ...
'Combination' Lyme disease vaccine proteins patented
...mmunogenic portions of OspA and OspC that is, the regions
of the two proteins that are most likely to trigger an immune response. The researchers have demonstrated that the new combination proteins retain the ability to trigger an immune response to at least one or both of the antigens, and can trigger th...
Marine scientists monitor longest mammal migration
...re data collection that cover even the most remote regions
of the globe," said Palacios....
Fascinating spider silk
...e interactions between the hydrophobic, lipophilic regions
of the proteins, which are necessary for oligomerization. "Our insights form a foundation for the establishment of an effective spinning process for the production genetically engineered spider silk," hopes Scheibel....
Researchers identify gene that plays key role in size of dogs
...l size -- Portuguese water dogs -- and identifying regions
of the genome that differ between small and large individuals. One of these regions
included a gene that codes for a protein hormone called insulin-like growth factor 1 (IGF1), which i...
Need oxygen? Cells know how to spend and save
...the COX-swapping. By examining the gene control regions
of COX4, they found that the HIF-1 sensor switched on COX4-2 activity when oxygen is low. And they learned that because COX4-1 already is in the mitochondria, the swap for COX4-2 occurs when the sensor turns on yet another gene that produces an enzym...
News tips from the Journal of Neuroscience
...et al. this week mapped a connection between brain regions
that control cognitive "stop" signals. The authors...STN and IFC in the right hemisphere; each of these regions
also projected to the presupplementary motor area (preSMA). Next, subjects were instructed to stop a...
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