News tagged with molecular dna
Researchers develop nanodevice manufacturing strategy using DNA 'building blocks'
Researchers at the Wyss Institute for Biologically Inspired Engineering at Harvard University have developed a method for building complex nanostructures out of short synthetic strands of DNA. Called single-stranded ...
Nanotechnology / Bio & Medicine
May 30, 2012 |
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Enzyme corrects more than one million faults in DNA replication
Scientists from the Medical Research Council (MRC) Institute of Genetics and Molecular Medicine (IGMM) at the University of Edinburgh have discovered an enzyme that corrects the most common mistake in mammalian DNA.
May 10, 2012 |
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Orangutans harbor ancient primate Alu
Alu elements infiltrated the ancestral primate genome about 65 million years ago. Once gained an Alu element is rarely lost so comparison of Alu between species can be used to map primate evolution and diversity. New research ...
Apr 30, 2012 |
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A new approach to molecular plant breeding
(Phys.org) -- A U.S. Department of Agriculture (USDA) scientist has shown researchers and plant breeders a better way to handle the massive amounts of data being generated by plant molecular studies, using ...
Apr 18, 2012 |
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Evolution in action: Genetic study may answer why we have plenty of fish in the sea
(PhysOrg.com) -- Three-spine sticklebacks aren't as pretty as many aquarium fish, and anglers don't fantasize about hooking one. But biologists treasure these small fish for what they are revealing about the ...
Apr 04, 2012 |
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DNA traces cattle back to a small herd domesticated around 10,500 years ago
All cattle are descended from as few as 80 animals that were domesticated from wild ox in the Near East some 10,500 years ago, according to a new genetic study.
Mar 27, 2012 |
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To drive infections, a hijacking virus mimics a cell's signaling system
New biological research reveals how an invading virus hijacks a cell's workings by imitating a signaling marker to defeat the body's defenses. By manipulating cell signals, the virus destroys a defensive protein designed ...
Mar 26, 2012 |
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To get the full story you need to know the motifs
Genome sequencing alone provides researchers with only limited information on the organism works because it neither reveals how the system is regulated nor does it indicate the role of each specific DNA sequence or RNA transcript. ...
Mar 26, 2012 |
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Indonesian 'Eves' colonised Madagascar 1,200 years ago
Several dozen Indonesian women founded the colonisation of Madagascar 1,200 years ago, scientists said on Wednesday in a probe into one of the strangest episodes in the human odyssey.
Mar 21, 2012 |
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Genetic mechanics: First-ever 3-D images of DNA damage sensor create
Everything — from noxious chemicals found in cigarette smoke or car exhaust, to ultraviolet radiation from the sun, to even something as benign as oxygen — is working overtime to damage DNA. Fortunately, ...
Feb 27, 2012 |
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European neanderthals were on the verge of extinction even before the arrival of modern humans: study
New findings from an international team of researchers show that most neanderthals in Europe died off around 50,000 years ago.
Other Sciences / Archaeology & Fossils
Feb 26, 2012 |
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Pioneering molecular biologist Roy J. Britten dies
(AP) -- Roy J. Britten, a pioneering molecular biologist who discovered the crucial fact that humans and animals have multiple copies of some DNA segments, has died. He was 92.
Feb 22, 2012 |
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The proteins ensuring genome protection
Researchers from the University of Geneva (UNIGE), Switzerland, have discovered the crucial role of two proteins in developing a cell 'anti-enzyme shield'. This protection system, which operates at the level of molecular ...
Feb 12, 2012 |
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Study shows how DNA finds its match
It's been more than 50 years since James Watson and Francis Crick showed that DNA is a double helix of two strands that complement each other. But how does a short piece of DNA find its match, out of the millions ...
Feb 08, 2012 |
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Study uncovers how DNA unfolds for transcription
(PhysOrg.com) -- The human genome contains some 3 billion base pairs that are tightly compacted into the nucleus of each cell. If a DNA strand were the thickness of a human hair, the entire human genome would ...
Jan 17, 2012 |
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