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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 ...

Biology / Cell & Microbiology

created May 17, 2012 | popularity 4.8 / 5 (13) | comments 2 | with audio podcast

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.

Physics / General Physics

created May 11, 2012 | popularity not rated yet | comments 1

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.

Biology / Cell & Microbiology

created May 10, 2012 | popularity 4.9 / 5 (16) | comments 1 | with audio podcast

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 ...

Biology / Cell & Microbiology

created May 09, 2012 | popularity not rated yet | comments 0 | with audio podcast

A needle in a haystack: How does a broken DNA molecule get repaired?

Scientists from the Kavli Institute of Nanoscience at Delft University of Technology have discovered a key element in the mechanism of DNA repair. When the DNA double helix breaks, the broken end goes searching for the similar ...

Biology / Cell & Microbiology

created May 03, 2012 | popularity 5 / 5 (3) | comments 0

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 ...

Biology / Cell & Microbiology

created Apr 30, 2012 | popularity 5 / 5 (2) | comments 1 | with audio podcast

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 ...

Biology / Evolution

created Apr 30, 2012 | popularity 5 / 5 (10) | comments 1

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 ...

Biology / Biotechnology

created Apr 27, 2012 | popularity 4.7 / 5 (7) | comments 0 | with audio podcast

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 ...

Chemistry / Biochemistry

created Apr 26, 2012 | popularity 5 / 5 (1) | comments 0 | with audio podcast

8 species of wild fish have been detected in aquaculture feed

Researchers from the University of Oviedo have for the first time analysed a DNA fragment from commercial feed for aquarium cichlids, aquaculture salmon and marine fish in aquariums. The results show that ...

Biology / Plants & Animals

created Apr 25, 2012 | popularity 5 / 5 (2) | comments 1

Researchers take steps toward fast, low-cost DNA sequencing device

Researchers at Oak Ridge National Laboratory and Yale University have developed a new concept for use in a high-speed genomic sequencing device that may have the potential to substantially drive down costs.

Nanotechnology / Bio & Medicine

created Apr 24, 2012 | popularity not rated yet | comments 0 | with audio podcast

Predicting the microbial 'weather'

New computer models are letting scientists forecast changes in the population of microbes in the English Channel up to a week in advance.

Biology / Cell & Microbiology

created Apr 17, 2012 | popularity 5 / 5 (2) | comments 0 | with audio podcast

Scientists use nanotechnology to hunt for hidden pathogens

Researchers at the University of Central Florida have developed a novel technique that may give doctors a faster and more sensitive tool to detect pathogens associated with inflammatory bowel disease, including ...

Nanotechnology / Bio & Medicine

created Apr 09, 2012 | popularity 5 / 5 (1) | comments 0 | with audio podcast

New research suggests European Neandertals were almost extinct long before humans showed up

Western Europe has long been held to be the "cradle" of Neandertal evolution since many of the earliest discoveries were from sites in this region. But when Neandertals started disappearing around 30,000 years ...

Other Sciences / Archaeology & Fossils

created Mar 26, 2012 | popularity 4.4 / 5 (8) | comments 6 | with audio podcast

Genetic variation in human gut viruses could be raw material for inner evolution

(PhysOrg.com) -- A growing body of evidence underscores the importance of human gut bacteria in modulating human health, metabolism, and disease. Yet bacteria are only part of the story. Viruses that infect ...

Biology / Cell & Microbiology

created Mar 19, 2012 | popularity 5 / 5 (2) | comments 1 | with audio podcast