News tagged with human dna
Related topics: genome
New technique reveals unseen information in DNA code
Imagine reading an entire book, but then realizing that your glasses did not allow you to distinguish "g" from "q." What details did you miss? Geneticists faced a similar problem with the recent discovery ...
May 17, 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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Biomolecular computer can autonomously sense multiple signs of disease
(PhysOrg.com) -- In the future, nano-sized computers implanted in the human body could autonomously scan for disease indicators, diagnose diseases, and control the release of the appropriate drugs. Although ...
Nanotechnology / Bio & Medicine
Jul 06, 2011 |
3.6 / 5 (8) |
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Scientists create first 3-D map of human genome
(PhysOrg.com) -- For the first time, scientists have developed a method for generating accurate three-dimensional models of the entire DNA strand of a cell, known as a genome.
Jan 04, 2012 |
4.6 / 5 (21) |
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New type of extra-chromosomal DNA discovered
(PhysOrg.com) -- A team of scientists from the University of Virginia and University of North Carolina in the US have discovered a previously unidentified type of small circular DNA molecule occurring outside ...
Mar 09, 2012 |
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Protein analysis investigates marine worm community
(Phys.org) -- Techniques used by researchers from the Department of Energy's Oak Ridge National Laboratory to analyze a simple marine worm and its resident bacteria could accelerate efforts to understand more ...
May 09, 2012 |
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A new glimpse into ancient human history
Analyzing DNA from four ancient skeletons and comparing it with thousands of genetic samples from living humans, a group of Scandinavian scientists reported that agriculture initially spread through Europe because farmers ...
Apr 30, 2012 |
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Control of gene expression: Histone occupancy in your genome
When stretched out, the genome of a single human cell can reach six feet. To package it all into a tiny nucleus, the DNA strand is tightly wrapped around a core of histone proteins in repeating units—each ...
Apr 30, 2012 |
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Study of lice DNA shows humans first wore clothes 170,000 years ago
(PhysOrg.com) -- A new University of Florida study following the evolution of lice shows modern humans started wearing clothes about 170,000 years ago, a technology which enabled them to successfully migrate ...
Jan 06, 2011 |
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New level of genetic diversity in human RNA sequences uncovered
A detailed comparison of DNA and RNA in human cells has uncovered a surprising number of cases where the corresponding sequences are not, as has long been assumed, identical. The RNA-DNA differences generate proteins that ...
May 19, 2011 |
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lobSTR algorithm rolls DNA fingerprinting into 21st century
As any crime show buff can tell you, DNA evidence identifies a victim's remains, fingers the guilty, and sets the innocent free. But in reality, the processing of forensic DNA evidence takes much longer than a 60-minute primetime ...
Apr 27, 2012 |
4.7 / 5 (7) |
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DNA tug of war
A mathematical model created by Aalto University (Finland) researcher Timo Ikonen explains for the first time how the DNA chains in our genome are translocated through nanopores that are only a couple of nanometres thick.
May 11, 2012 |
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Dormant ancient chimp virus revived
(PhysOrg.com) -- Researchers in New York have identified the receptor of an ancient chimpanzee retrovirus that has been dormant for at least a million years. Now the scientists have resurrected a key part of the virus to ...
Medicine & Health / Medical research
Oct 26, 2010 |
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Complete Neanderthal genome yields insights into human evolution and evidence of interbreeding
After extracting ancient DNA from the 40,000-year-old bones of Neanderthals, scientists have obtained a draft sequence of the Neanderthal genome, yielding important new insights into the evolution of modern ...
May 06, 2010 |
4.7 / 5 (27) |
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Scientists find the structure of a key 'gene silencer' protein
Scientists at The Scripps Research Institute have determined the three-dimensional atomic structure of a human protein that is centrally involved in regulating the activities of cells. Knowing the precise ...
Apr 26, 2012 |
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