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Biochemistry: Unspooling DNA from Nucleosomal Disks
May 23, 2013 The tight wrapping of genomic DNA around nucleosomes in the cell nucleus makes it unavailable for gene expression. This study describes a mechanism that allows chromosomal DNA to be locally displaced ... > full story -
What the Smallest Infectious Agents Reveal About Evolution
May 23, 2013 Radically different viruses share genes and are likely to share ancestry, according to new research. The comprehensive phylogenomic analysis compares giant viruses that infect amoeba with tiny ... > full story -
Depression Linked to Telomere Enzyme, Aging, Chronic Disease
May 23, 2013 The first symptoms of major depression may be behavioral, but the common mental illness is based in biology — and not limited to the brain, new research ... > full story -
Fetch, Boy! Study Shows Homes With Dogs Have More Types of Bacteria
May 22, 2013 New research shows that households with dogs are home to more types of bacteria -- including bacteria that are rarely found in households that do not have dogs. The finding is part of a larger study ... > full story -
Overcoming Resistance to Anti-Cancer Drugs by Targeting Cell 'Powerhouses'
May 22, 2013 Re-routing anti-cancer drugs to the "power plants" that make energy to keep cells alive is a promising but long-neglected approach to preventing emergence of the drug-resistant forms of cancer -- ... > full story -
Biotechnology and Bioengineering
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Genetics
Fast New, One-Step Genetic Engineering Technology
May 22, 2013 A new, streamlined approach to genetic engineering drastically reduces the time and effort needed to insert new genes into bacteria, the workhorses of biotechnology, scientists are reporting. The ... > full story -
Largest Genetic Sequencing Study of Human Disease
May 22, 2013 Researchers have completed the largest sequencing study of human disease to date, investigating the genetic basis of six autoimmune ... > full story -
First Genomic Survey of Human Skin Fungal Diversity
May 22, 2013 In the first study of human fungal skin diversity, researchers sequenced the DNA of fungi at skin sites of healthy adults to define the normal populations across the skin and to provide a framework ... > full story -
Norway Spruce Genome Sequenced: Largest Ever to Be Mapped
May 22, 2013 Scientists have mapped the gene sequence of Norway spruce (the Christmas tree) -- a species with huge economic and ecological importance -- and that is the largest genome to have ever been mapped. ... > full story -
Study Details Genes That Control Whether Tumors Adapt or Die When Faced With P53 Activating Drugs
May 22, 2013 When turned on, the gene p53 turns off cancer. However, when existing drugs boost p53, only a few tumors die -- the rest resist the challenge. A new study shows how: tumors that live even in the face ... > full story
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