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Ecologists, material scientists pursue genetics of diatom's elegant, etched casing
01-23-2008 · EurekAlert!Scientists have discovered of whole subsets of genes and proteins that govern how one species of diatom builds its shell. For oceanographers, the work might one day help them understand how thousands of different kinds of diatoms -- and their ability to remove carbon dioxide from the atmosphere -- might be affected by something like global climate change.
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Keywords: ecologists, material, scientists, pursue, genetics, diatom, elegant, etched, casing, ecologist, scientist, genetic
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- Conquest of land began in shark genome
08-14-2007 · EurekAlert!
University of Florida Genetics Institute scientists identify genetic activity in sharks required for the development of hands, feet, fingers and toes in limbed animals. The finding shows what was thought to be a relatively recent evolutionary innovation existed eons earlier than previously believed, potentially providing insight for scientists seeking ways to cure human birth defects.
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10-29-2007 · EurekAlert!
When the genetic material inside a cell’s nucleus starts to fall apart, a protein called ATM takes charge and orchestrates the rescue mission. Surprisingly, for ATM to kick into full gear, the stretches of DNA flanking a chromosomal break are just as important as the damaged site itself, report scientists at the Salk Institute for Biological Studies.
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- Nanotechnology meets biology and DNA finds its groove
02-08-2007 · EurekAlert!
The object of fascination for most is the DNA molecule. But in solution, DNA, the genetic material that hold the detailed instructions for virtually all life, is a twisted knot, looking more like a battered ball of yarn than the famous double helix. To study it, scientists generally are forced to work with collections of molecules floating in solution, and there is no easy way to precisely single out individual molecules for study.
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- Molecular detectors may refine cancer treatment
07-19-2007 · EurekAlert!
University of Florida scientists used short, single strands of genetic material called aptamers to bind to cells and molecules associated with leukemia, finding evidence that slight molecular differences can exist in patient samples.
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- Researchers move 2 steps closer to understanding genetic underpinnings of autism
01-10-2008 · EurekAlert!
Today's issue of the American Journal of Human Genetics, describes what might be a corner piece of the autism puzzle -- the identification and subsequent validation of a gene linked to the development of autism by three separate groups of scientists. An accompanying commentary by Dr. Dietrich Stephan, Director of the Neurogenomics Division at the Translational Genomics Research Institute, further explains the findings.
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- UC Davis scientists' groundbreaking research: Mate-attracting chemicals
10-27-2006 · EurekAlert!
It's all about "the birds and the bees." And now, "the silkworm moths and the fruit flies."A chemical ecologist and a genetics researcher at the University of California, Davis, have joined forces to trick fruit flies into thinking that silkworm moths are potential mates.Groundbreaking research in the labs of chemical ecologist Walter Leal and genetics researcher Deborah Kimbrell shows that genetically engineered fruit flies responded to the silkworm moth scent of a female.
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- Gene mutation linked to increased athletic performance in whippets
05-04-2007 · EurekAlert!
Whippets are bred for speed and have been clocked at speeds approaching 40 miles per hour. Scientists at the National Human Genome Research Institute have now discovered a genetic mutation that helps to explain why some whippets run even faster than others. Published in the open-access journal PLoS Genetics, their findings will make for a fascinating experiment in applied genetics.
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- Human genetic 'deserts' are teeming with significant life
06-18-2007 · EurekAlert!
Many of the areas of the human genome previously thought to be deserts are in fact teeming with life, a scientist will tell the annual conference of the European Society of Human Genetics. Most known human genes in the genome map are still incompletely annotated, says Professor Alexandre Reymond, from the Center for Integrative Genomics, University of Lausanne, Switzerland, and the Department of Genetic Medicine, University of Geneva, Geneva, Switzerland.
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- Scientists find new genetic clue to cause of Alzheimer's disease
01-14-2007 · EurekAlert!
Variations in a gene known as SORL1 may be a factor in the development of late onset Alzheimer's disease, an international team of researchers has discovered. The genetic clue, which could lead to a better understanding of one cause of Alzheimer's, is reported in Nature Genetics online, Jan. 14, 2007, and was supported in part by the National Institutes of Health.
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- Changes in chromosomal constitution of preimplantation embryos suggest caution in genetic screening
06-18-2007 · EurekAlert!
Embryos that are selected out as abnormal can undergo chromosomal modifications, a scientist will tell the annual conference of the European Society of Human Genetics today, Tuesday, June 19. Tsvia Frumkin, from the Racine IVF unit, LIS Maternity Hospital, Tel Aviv Sourasky Medical Center, Tel Aviv, Israel, will tell the conference that her team's findings meant that the results of preimplantation genetic screening for chromosomal abnormalities were not always reliable, and should be interpreted with caution.
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