(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 be crammed into ...
Cell & Microbiology
Jan 17, 2012
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(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.
Biotechnology
Jan 4, 2012
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Genetic analysis of an outbreak of drug-resistant infections in one institution shows an unprecedented level of transference of resistance among strains and even species of bacteria. Researchers from the University of Virginia ...
Cell & Microbiology
Jan 4, 2012
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A team headed by scientists from the IRB Barcelona reports how the protein Ler, which is found in pathogenic bacteria, interacts with certain DNA sequences, thereby activating numerous genes responsible for virulence, which ...
Cell & Microbiology
Dec 9, 2011
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Reproductive and somatic aging use different molecular mechanisms that show little overlap between the types of genes required to keep oocytes healthy and the genes that generally extend life span, according to Coleen Murphy, ...
Cell & Microbiology
Dec 6, 2011
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Excessive exposure to ultraviolet (UV) radiation of sunlight can result in skin damage and may even induce skin cancers. Irradiation with UV light causes mutations in the DNA, which can interfere with or even inhibit the ...
Biochemistry
Nov 28, 2011
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Gene therapy can only be effective if delivered by a stable complex molecule. Now, scientists have determined the conditions that would stabilise complex molecular structures that are subject to inherent attractions and repulsions ...
Condensed Matter
Nov 28, 2011
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Researchers at the University of Illinois at Chicago College of Medicine describe for the first time a key target of DNA damage checkpoint enzymes that must be chemically modified to enable stable maintenance of chromosome ...
Cell & Microbiology
Nov 23, 2011
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(PhysOrg.com) -- Researchers at the Swedish medical university Karolinska Institutet have developed a new method for counting molecules. Quantifying the amounts of different kinds of RNA and DNA molecules is a fundamental ...
Cell & Microbiology
Nov 21, 2011
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(PhysOrg.com) -- Researchers from UQ's Institute for Molecular Bioscience (IMB), Harvard University and RocheNimblegen Inc. have developed a new method for examining genetic information that reveals clues to understanding ...
Biotechnology
Nov 14, 2011
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