Daily non-political popular news in brief.
Today's white rice is mutation spread by early farmers
08-16-2007 · EurekAlert!Researchers at Cornell and elsewhere have determined that 97.9 percent of all white rice comes from a mutation in a single gene and that early farmers favored, bred and spread white rice around the world.
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- Plants, plasmids and possibilities -- Methods permit functional gene studies in plants
12-01-2006 · EurekAlert!
Decaffeinated coffee plants, pest-resistant cotton, and Vitamin A-producing rice varieties have all been developed by introducing genes into plants. Scientists also create modified plants to identify and characterize the functions of specific genes. The current issue of Cold Spring Harbor Protocols -- released online today -- includes a set of techniques for the creation of transgenic plants.
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- HIV is spread most by people with medium levels of HIV in blood, says study
10-22-2007 · EurekAlert!
People with medium levels of HIV in their blood are likely to contribute most to the spread of the virus, according to new research published today in the journal Proceedings of the National Academy of Sciences. The study found that those with a high viral load are the most infectious group, but have only limited time to infect others, because they generally progress to AIDS quite quickly.
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- 'Fetal' neurons play role in adult brain
09-11-2007 · EurekAlert!
Subplate neurons -- once thought to die after directing the wiring of the cerebral cortex or gray matter -- remain in the white matter of the adult brain in small numbers and maintain activity, communicating with other neurons in the brain said researchers from Baylor College of Medicine and the University of Alabama at Birmingham in a report that appears in today's issue of the Journal of Neuroscience.
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- Hunting martian fossils best bet for locating Mars life, says ASU researcher
02-16-2007 · EurekAlert!
Hunting for traces of life on Mars calls for two radically different strategies, says Arizona State University professor Jack Farmer. Of the two, he says, with today's exploration technology we can most easily look for evidence for past life, preserved as fossil "biosignatures" in old rocks.Farmer is reporting on his work today (February 16) at the annual meeting of the American Association for the Advancement of Science in San Francisco.
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- Genesearch Breast Lymph Node assay detects breast cancer metastases with greater sensitivity
12-16-2006 · EurekAlert!
Results from a prospective clinical study show that the GeneSearch™ Breast Lymph Node (BLN) Assay, a gene-based diagnostic test has greater sensitivity than traditional intra-operative methods of detecting the spread of breast cancer to the lymph nodes. In the study sponsored by Veridex, LLC, the GeneSearch™ BLN Assay demonstrated overall sensitivity at least 10 percentage points higher than traditional intra-operative tests. The data were presented today at the 29th annual San Antonio Breast Cancer Symposium.
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- Risk of birth complications varies between racial groups
03-01-2007 · EurekAlert!
Babies born to South Asian women are at a higher risk of perinatal mortality (death before, during or shortly after birth) than babies born to black or white women, concludes a study published online by the BMJ today.
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- Bangladesh to dramatically expand technology that doubles efficiency of urea fertilizer use
12-18-2007 · EurekAlert!
Using current broadcast technology, most nitrogen is lost to the air and water, and rice plants actually use only one bag of urea in three. UDP puts nitrogen near rice roots so it is not lost. Farmers who use UDP can increase yields by 25 percent with less than half as much urea. The Bangladesh Government is expanding UDP to almost 1 million hectares of riceland, reaching 1.6 million farm families, in the coming dry season.
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- Researchers identify genetic mutation that may alter tumor cell proliferation
07-04-2007 · EurekAlert!
Researchers from Eli Lilly & Company and the Phoenix-based Translational Genomics Research Institute today announced finding a novel recurring mutation of the gene AKT1 in breast, colorectal and ovarian cancers. The altered form of AKT1 appears to cause tumor cell proliferation and may play a role in making cells resistant to certain types of therapies. The findings are reported in an advance online publication of the journal Nature.
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- Blue-eyed humans have a single, common ancestor
01-30-2008 · EurekAlert!
New research shows that people with blue eyes have a single, common ancestor. A team at the University of Copenhagen have tracked down a genetic mutation which took place 6,000-10,000 years ago and is the cause of the eye color of all blue-eyed humans alive on the planet today.
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- Origins, spread of honeybees determined
10-25-2006 · EurekAlert!
The honeybee, a species that contributes billions of dollars to the world's agricultural economy each year through pollination, originated in Africa and is evolving in surprising ways in the Americas today, according to a UC Irvine researcher. The findings could have significant implications for honeybee breeding and the crucial role these creatures play in farming worldwide.
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