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New DNA study helps explain unique diversity among melanesians
Small populations of Melanesians — among the most genetically diverse people on the planet — have significant differences in their mitochondrial DNA that can be linked to where they live, the size of their home island and the language they speak. view more (2007-02-28)
Chromatin remodeling complex connected to DNA damage control
When molecular disaster strikes, causing structural damage to DNA, players in two important pathways talk to each other to help contain the wreckage, scientists at The University of Texas M. D. Anderson Cancer Center report in the August edition of Cell. view more (2007-08-10)
'Pinball protons' created by ultraviolet rays and other causes can lead to DNA damage
Researchers have known for years that damaged DNA can lead to human diseases such as cancer, but how damage occurs-and what causes it-has remained less clear. view more (2006-05-18)
Scaled-down genome may power up E. coli's ability in lab, industry
By stripping the E. coli genome of vast tracts of its genetic material-hundreds of apparently inconsequential genes-a team of Wisconsin researchers has created a leaner and meaner version of the bacterium that is a workhorse of modern biology and industry. view more (2006-04-28)
Chromosome glue repairs damaged DNA
When a strand of DNA breaks in the body's cells, it normally does not take long until it has been repaired. Now researchers at the Swedish medical university Karolinska Institutet have discovered a new mechanism that helps to explain how the cell performs these repairs. The results are presented in Science. view more (2007-07-16)
Changes to DNA linked to diabetes
Genes that regulate the energy consumption of cells have a different structure and expression in type II diabetics than they do in healthy people, according to a new study from the Swedish medical university Karolinska Institutet published in Cell Metabolism. view more (2009-09-02)
Precision biochemistry tracks DNA damage in fish
Like coal-mine canaries, fish DNA can serve as a measure of the biological impact of water and sediment pollution-or pollution clean-up. view more (2006-05-15)
Finding the ZIP-code for gene therapy: Scientists imitate viruses to deliver therapeutic genes
A research report featured on the cover of the September 2009 print issue of The FASEB Journal describes how Australian scientists developed a new gene therapy vector that uses the same machinery that viruses use to transport their cargo into our cells. view more (2009-08-31)
Sequencing method yields fuller picture
University of Southern California biologists have developed a method for sequencing both chromosomes of an organism. view more (2007-07-18)
Molecular Biologists Reveal Historical Secrets
By analysing DNA from ancient human remains researchers can determine the sex and ethnicity of our ancestors and help historians to compose a complete picture of their life and customs. In the region of Altai Mountains archaeologists discovered remains of an ancient civilisation. During excavations, they found many bones of newborns and wondered... view more... (2002-07-05)
New test to stop illegally logged timber
SMUGGLERS and burglars could now be trapped by something as innocuous as a wood shaving. Forensic scientists have found a way to DNA fingerprint wood, and their discovery could help track illegally logged timber or place a suspect at a crime scene. Forensic botany is increasingly helping to solve... view more... (2002-05-08)
New technique could dramatically lower costs of DNA sequencing
Using computer simulations, researchers at the University of Illinois have demonstrated a strategy for sequencing DNA by driving the molecule back and forth through a nanopore capacitor in a semiconductor chip. The technique could lead to a device that would read human genomes quickly and affordably. view more (2007-12-13)
Viruses hitch a ride in the cell
Viruses can travel around cells they infect by hitching a ride on a microscopic transport system, according to new research. Cells are exposed to foreign DNA and RNA and it is understood that some of this genetic material can be integrated into the host genome. Using modern microscopic techniques, scientists have been able to see how virus DNA is... view more... (2008-06-24)
USC researchers explore genetic causes for male infertility
Researchers at the University of Southern California (USC) suggest epigenetics, or the way DNA is processed and expressed, may be the underlying cause for male infertility. The study will be published in the Dec. 12 issue of Public Library of Science One. view more (2007-12-12)
New tool helps researchers identify DNA patterns of cancer, genetic disorders
A new tool will help researchers identify the minute changes in DNA patterns that lead to cancer, Huntington's disease and a host of other genetic disorders. view more (2009-05-19)
Jefferson scientists discover a key protein regulator of inflammation and cell death
Reporting in the journal Nature, researchers led by Emad Alnemri, Ph.D., professor of Biochemistry and Molecular Biology in the Kimmel Cancer Center at Jefferson, discovered a key protein component involved in inflammation. view more (2009-01-23)
In a crisis, creating DNA vaccine could help save lives, slow spread of 'bird flu'
Researchers scrambling to combat a virulent form of bird flu that could mutate into a form easily spread among humans should consider developing vaccines based on DNA, according to British biochemical engineers. view more (2005-10-20)
Inconsistencies with Neanderthal genomic DNA sequences
Were Neanderthals direct ancestors of contemporary humans or an evolutionary side branch that eventually died out? view more (2007-10-15)
Dartmouth study finds that arsenic inhibits DNA repair
Dartmouth researchers, working with scientists at the University of Arizona and at the Department of Natural Resources in Sonora, Mexico, have published a study on the impact of arsenic exposure on DNA damage. view more (2006-05-30)
UC Davis researchers discover genetic switch involved in cells' response to radiation therapy
UC Davis Cancer Center researchers have discovered a genetic switch that causes cancer cells to become more sensitive to a drug administered to enhance radiation therapy effectiveness. view more (2005-11-17)
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