News tagged with dna structures
Sea lampreys jettison one-fifth of their genome
(PhysOrg.com) -- Researchers have discovered that the sea lamprey, which emerged from jawless fish first appearing 500 million years ago, dramatically remodels its genome. Shortly after a fertilized lamprey ...
Jul 20, 2009 |
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New map of genomic variations will enable disease research
Genetics researchers have unveiled a powerful new resource for scientists and health providers studying human illnesses--a reference standard of deletions and duplications of DNA found in the human genome. Drawn from over ...
Jul 15, 2009 |
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Handle with care: Telomeres resemble DNA fragile sites
(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 ...
Jul 10, 2009 |
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Researchers uncover process involved in DNA repair
(PhysOrg.com) -- Every day people are exposed to chemical and physical agents that damage DNA. If it isn't repaired properly, this damage can lead to mutations that in some circumstances can lead to the development ...
Jun 29, 2009 |
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Researchers gain fine-scale, genome-wide insights into patterns of human population structures around the world
(PhysOrg.com) -- Through sophisticated statistical analyses and advanced computer simulations, researchers are learning more about the genomic patterns of human population structure around the world.
May 14, 2009 |
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Geneticists publish largest-ever study on African genetics revealing origins, migration
African, American, and European researchers working in collaboration over a 10-year period have released the largest-ever study of African genetic data--more than four million genotypes--providing a library of new information ...
Apr 30, 2009 |
4.6 / 5 (10) |
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DNA-based gel produces proteins without live cells
(PhysOrg.com) -- A new method developed by Cornell biological engineers offers an efficient way to make proteins for use in medicine or industry without the use of live cells. The proteins made in this way ...
Apr 01, 2009 |
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Covering the bases: Quantum effect may hold promise for low-cost DNA sequencing, sensor applications
A ghostly property of matter, called quantum tunneling, may aid the quest for accurate, low-cost genomic sequencing, according to a new paper in Nature Nanotechnology Letters by Stuart Lindsay and his collab ...
Nanotechnology / Bio & Medicine
Mar 22, 2009 |
4.7 / 5 (9) |
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Chemists create two-armed nanorobotic device to maneuver world's tiniest particles
Chemists at New York University and China's Nanjing University have developed a two-armed nanorobotic device that can manipulate molecules within a device built from DNA. The device is described in the latest issue of the ...
Feb 15, 2009 |
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Scientists create first crystal structure of an intermediate particle in virus assembly
The structure, described February 8 in an advance online publication of the journal Nature, provides fresh insights into the elegant dance that viral proteins perform to create the infectious structure that causes all ma ...
Biology /
Feb 08, 2009 |
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Researchers 'unzip' molecules to measure interactions keeping DNA packed in cells
(PhysOrg.com) -- Anyone who has ever battled a stuck zipper knows it's a good idea to see what's stuck, where and how badly -- and then to pull hard. A Cornell research team's experiments involve the "unzipping" ...
Biology /
Jan 28, 2009 |
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Scientists publish complete genetic blueprint of key biofuels crop
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 ...
Biology /
Jan 28, 2009 |
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Hair of Tasmanian Tiger Yields Genes of Extinct Species
All the genes that the exotic Tasmanian Tiger inherited only from its mother will be revealed by an international team of scientists in a research paper to be published on 13 January 2009 in the online edition ...
Biology /
Jan 12, 2009 |
4.8 / 5 (4) |
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Biologists discover link between CGG repeats in DNA and neurological disorders
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 ...
Biology /
Jan 11, 2009 |
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