In the cell nucleus, DNA wraps around what are called histone proteins, forming regularly spaced spherical bodies called nucleosomes. Thus, large portions of the genetic material are inaccessible to the gene reading machinery. ...
Biochemistry
Mar 7, 2012
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If you wanted to draw your family tree, you could start by searching for people who share your surname. Cells, of course, don't have surnames, but scientists at the European Molecular Biology Laboratory (EMBL) in Heidelberg, ...
Cell & Microbiology
Feb 3, 2012
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In the classical model of gene expression, the genetic script encoded in our genomes is expressed in each cell in the form of RNA molecules, each consisting of a linear string of chemical "bases". It may be time to revise ...
Cell & Microbiology
Feb 1, 2012
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Using a liquid laser, University of Michigan researchers have developed a better way to detect the slight genetic mutations that might predispose a person to a particular type of cancer or other diseases.
Analytical Chemistry
Jan 31, 2012
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The discovery by researchers from the Walter and Eliza Hall Institute of a molecule that is key to malaria's 'invisibility cloak' will help to better understand how the parasite causes disease and escapes from the defenses ...
Cell & Microbiology
Jan 18, 2012
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Scientists from the Florida campus of The Scripps Research Institute have identified a compound that can help repair a specific type of defect in RNA, a type of genetic material. The methods in the new study could accelerate ...
Biochemistry
Jan 18, 2012
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(PhysOrg.com) -- In the chemistry of the living world, a pair of nucleic acids—DNA and RNA—reign supreme. As carrier molecules of the genetic code, they provide all organisms with a mechanism for faithfully reproducing ...
Biochemistry
Jan 9, 2012
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Two related studies from Northwestern University offer new strategies for tackling the challenges of preventing and treating diseases of protein folding, such as Alzheimer's, Parkinson's and Huntington's diseases, amyotrophic ...
Biotechnology
Jan 6, 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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The computer assisted design (CAD) tools that made it possible to fabricate integrated circuits with millions of transistors may soon be coming to the biological sciences. Researchers at the Joint BioEnergy Institute (JBEI) ...
Biotechnology
Dec 22, 2011
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