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Geneticists discover genes that make fruit fly hybrids sterile
12-08-2006 · EurekAlert!Cornell researchers have made the first identification of a pair of genes in any species that are responsible for what causes problems in hybrids, such as sterility or the inability to survive.
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Keywords: geneticists, discover, genes, make, fruit, fly, hybrids, sterile, geneticist, gene, hybrid
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- New study uncovers secrets behind butterfly wing patterns
10-25-2007 · EurekAlert!
The genes that make a fruit fly's eyes red also produce red wing patterns in the Heliconius butterfly found in South and Central America, finds a new study by a UC-Irvine entomologist.
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- Fruit fly gene research may shed light on human disease processes
03-27-2007 · EurekAlert!
Those small fruit flies buzzing around your bananas are more than pests -- they may be allies in a fruitful search for clues to human diseases caused when genes malfunction.
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- Fruit fly gene from 'out of nowhere' is discovered
07-23-2007 · EurekAlert!
Scientists thought that most new genes were formed from existing genes, but Cornell researchers have discovered a gene in some fruit flies that appears to be unrelated to other genes in any known genome.
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- Fighting Styles: Gene gives flies his, her conflict moves
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Switching forms of one gene can make a male fruit fly fight like a girl, and vice versa.
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- One gene 90 percent responsible for making common parasite dangerous
12-14-2006 · EurekAlert!
More than a decade of searching for factors that make the common parasite Toxoplasma gondii dangerous to humans has pinned 90 percent of the blame on just one of the parasite's approximately 6,000 genes. The finding, presented in this week's issue of Science, should make it easier to identify the parasite's most virulent strains and treat them.
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- Simulated populations used to probe gene mapping
03-23-2007 · EurekAlert!
Statisticians and genetic epidemiologists from Rice University and The University of Texas M. D. Anderson Cancer Center have used computer simulations to trace genetic changes over thousands of generations in a simulated population to find out whether the tools that statistical geneticists use to pinpoint disease genes are up to the task of identifying multiple genes that cause complex diseases like cancer. The study is published this week in PLoS Genetics.
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- Scientists discover a new player in innate immune response
01-16-2008 · EurekAlert!
All multicellular animals have an innate immune system: When bacteria, parasites or fungi invade the organism, small protein molecules are released that eliminate the attackers. Scientists of the German Cancer Research Center have now discovered a new molecule that plays an important role in triggering the innate immune response of the fruit fly Drosophila, mice and even humans. Their work has just been published in the journal Nature Immunology.
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- A fly lamin gene is both like and unlike human genes
06-12-2007 · EurekAlert!
Mitch Dushay and colleagues at Uppsala University in Sweden report the publication of their paper, "Characterization of lamin Mutation Phenotypes in Drosophila and Comparison to Human Laminopathies," in the June 13 issue of the online, open-access journal PLoS ONE.
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- Genes and genius: Researchers confirm association between gene and intelligence
02-26-2007 · EurekAlert!
A team of scientists, led by psychiatric geneticists at Washington University School of Medicine in St. Louis, has gathered the most extensive evidence to date that a gene that activates signaling pathways in the brain influences one kind of intelligence. They have confirmed a link between the gene, CHRM2, and performance IQ.
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- Exploring the dark matter of the genome
06-14-2007 · EurekAlert!
"Junk DNA" is what biologists used to call heterochromatin, the highly repetitive, gene-poor DNA concentrated near the centromeres and telomeres of chromosomes. With the publication of version 5.1 of the genome of the fruit fly, Drosophila melanogaster, led by scientists at Lawrence Berkeley National Laboratory and their colleagues, the term "junk" will be heard less often. Heterochromatin, it appears, is crucial to genome maintenance and cell biology.
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