News tagged with repetitive dna
Researchers unlock genetic secrets of date palm
Sep 15, 2009 |
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Researchers at Weill Cornell Medical College in Qatar have mapped a draft version of the date palm genome, unlocking many of its genetic secrets.
New Hope for Deadly Childhood Bone Cancer
Aug 31, 2009 |
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(PhysOrg.com) -- Researchers at Huntsman Cancer Institute (HCI) at the University of Utah have shed new light on Ewing’s sarcoma, an often deadly bone cancer that typically afflicts children and young adults. Their research ...
The tiny difference in the genes of bacteria
Jun 30, 2009 |
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Every year, diarrhea causes around five million fatalities worldwide. Most people die due to pathogenic microorganisms, such as bacteria or viruses, which were ingested into the gastro-intestinal tract through contaminated ...
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Centromeres cross over, a lot
Biology /
Jun 12, 2008 |
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Recombination at centromeres is higher than anywhere else on the chromosome, even though methyltransferases do their best to prevent it, say Jaco et al., as published in the June 16 issue of the Journal of Cell Biology.
Mobile DNA elements in woolly mammoth genome give new clues to mammalian evolution
Jun 08, 2009 |
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The woolly mammoth died out several thousand years ago, but the genetic material they left behind is yielding new clues about the evolution of mammals. In a study published online in Genome Research, scientists have analyz ...
Models begin to unravel how single DNA strands combine
Nanotechnology / Bio & Medicine
Oct 05, 2009 |
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(PhysOrg.com) -- Using computer simulations, a team of University of Wisconsin-Madison researchers has identified some of the pathways through which single complementary strands of DNA interact and combine to form the double ...
Handle with care: Telomeres resemble DNA fragile sites
Jul 10, 2009 |
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(PhysOrg.com) -- Telomeres, the repetitive sequences of DNA at the ends of linear chromosomes, have an important function: They protect vulnerable chromosome ends from molecular attack. Researchers at Rockefeller ...
Study finds value in 'junk' DNA
Biology /
Oct 17, 2008 |
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For about 15 years, scientists have known that certain "junk" DNA -- repetitive DNA segments previously thought to have no function -- could evolve into exons, which are the building blocks for protein-coding genes in higher ...
Biologists discover link between CGG repeats in DNA and neurological disorders
Biology /
Jan 11, 2009 |
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Researchers have long known that some repetitive DNA sequences can make human chromosomes "fragile," i.e. appearing constricted or even broken during cell divisions. Scientists at Tufts University have found that one such ...
Scientists publish complete genetic blueprint of key biofuels crop
Biology /
Jan 28, 2009 |
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Scientists at the U.S. Department of Energy (DOE) Joint Genome Institute (JGI) and several partner institutions have published the sequence and analysis of the complete genome of sorghum, a major food and ...
Mapping a clan of mobile selfish genes
Biology /
Oct 22, 2008 |
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Much of human DNA is the genetic equivalent of e-mail spam: short repeated sequences that have no obvious function other than making more of themselves.
Antifreeze fish make sense out of junk DNA
Apr 04, 2006 |
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Scientists at the University of Illinois have discovered an antifreeze-protein gene in cod that has evolved from non-coding or 'junk' DNA. Since the creation of these antifreeze proteins is directly driven by polar glaciation, ...
Researchers discover mechanism that prevents two species from reproducing
Oct 26, 2009 |
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Cornell researchers have discovered a genetic mechanism in fruit flies that prevents two closely related species from reproducing, a finding that offers clues to how species evolve.
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