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New step in DNA damage response in neurons discovered
Researchers have identified a biochemical switch required for nerve cells to respond to DNA damage. view more (2009-01-20)
Ring-like formations in drying DNA drops could affect hybridization studies
Coffee drinkers are familiar with the ring-shaped stains that result from spilled drops that have dried, in which the brown stain is not evenly distributed, but instead concentrated at the edge. view more (2006-05-12)
Mayo Clinic study explores link between nanoparticles and kidney stones
Researchers at Mayo Clinic have successfully isolated nanoparticles from human kidney stones in cell cultures and have isolated proteins, RNA and DNA that appear to be associated with nanoparticles. view more (2006-12-20)
Photonic crystal biosensors detect protein-DNA interactions
Scientists at the University of Illinois have developed a new class of disposable, microplate-based optical biosensors capable of detecting protein-DNA interactions. Based on the properties of photonic crystals, the biosensors are suitable for the rapid identification of inhibitors of protein-nucleic acid and protein-protein interactions. view more (2008-09-24)
DNA template could explain evolutionary shifts
Rearrangements of all sizes in genomes, genes and exons can result from a glitch in DNA copying that occurs when the process stalls at a critical point and then shifts to a different genetic template, duplicating and even triplicating genes or just shuffling or deleting part of the code within them, said researchers from Baylor College of Medicine... view more... (2009-06-22)
Penn researchers find potential in yeast for selecting Lou Gehrig's disease drugs
Researchers from the University of Pennsylvania School of Medicine are developing a novel approach to screen for drugs to combat neurodegenerative diseases such as amyotrophic lateral sclerosis (ALS), or Lou Gehrig's disease, using yeast cells. view more (2008-04-18)
Genetic variation: We're more different than we thought
New research shows that at least 10 percent of genes in the human population can vary in the number of copies of DNA sequences they contain-a finding that alters current thinking that the DNA of any two humans is 99.9 percent similar in content and identity. view more (2006-11-27)
The world's oldest bacteria
A research team has for the first time ever discovered DNA from living bacteria that are more than half a million years old. Never before has traces of still living organisms that old been found. view more (2007-08-28)
Researchers solve piece of large-scale gene silencing mystery
A team led by Craig Pikaard, Ph.D., Washington University in St. Louis professor of biology in Arts & Sciences, has made a breakthrough in understanding the phenomenon of nucleolar dominance, the silencing of an entire parental set of ribosomal RNA genes in a hybrid plant or animal. view more (2008-12-05)
NYU School of Medicine pathology researchers solve another mystery in B lymphocyte development
A new study published online in Nature Immunology ahead of the June 2009 print issue has found that homologous immunoglobulin (lg) alleles pair up in the nucleus at stages that coincide with V(D)J recombination of the heavy and light chain (Igh and Igk) loci. view more (2009-05-22)
Upside-down world: DNA protecting protein helps cancer drug to kill cells
Some DNA repair enzymes can become double-edged swords - If they work too slowly, they can block necessary cell maintenance and contribute to cell death. view more (2009-04-28)
Scientists reveal DNA-enzyme interaction with first ever real time footage
For the first time scientists have been able to film, in real-time, the nanoscale interaction of an enzyme and a DNA strand from an attacking virus. view more (2007-09-18)
New technique for cancer screening
Current research suggests that a new technique to determine tumor methylation status can be used in archived tissue samples. view more (2009-02-24)
New approaches to the construction of genetically modified plants may avoid Syngenta and Monsanto patents
An article in the journal Nature published on 10th Feb (Gene transfer to plants by diverse species of bacteria) reports that a group of researchers in Canberra Australia have demonstrated that the ability to perform transfers of DNA from microbial cells to plant cells is not, as was previously assumed, restricted to Agrobacterium tumefaciens. When... view more... (2005-02-08)
DNA test shows promise for identifying patients with colorectal cancer (p 1283)
Testing for DNA changes in stools might provide a new, accurate, and less invasive way to screen patients for colorectal cancer, conclude the authors of a research letter in this week's issue of THE LANCET. Colorectal cancer is one of the most common cancers in the industrialised world, and early detection might help to reduce the risk of death... view more... (2004-04-14)
Foxes get frisky in the far north
Bees do it, chimps do it- Now it seems Arctic foxes do it, too. New research looking at the DNA fingerprints of canids in the Far North has revealed that foxes once thought to be monogamous are in fact quite frisky. view more (2007-07-18)
DNA size a crucial factor in genetic mutations, study finds
Researchers at Stanford University have created a larger-than-normal DNA molecule that is copied almost as efficiently as natural DNA. view more (2005-10-27)
A potential approach to treatment of hepatitis B virus infection
Eukaryotic cells employ multiple strategies of checkpoint signaling and DNA repair mechanisms to monitor and repair damaged DNA. view more (2008-09-10)
Hippo ancestry disputed
Hippos spend lots of time in the water and now it turns out (or researchers argue), they are the closest living relative to whales. It also turns out, the two are swimming in a bit of controversy. view more (2009-03-19)
Crime scene or nature reserve?
A method used by forensic experts to collect evidence from crime scenes could soon be taken up by biologists studying animals in the wild. An article in BMC Ecology this week describes how DNA from animal blood and tissue samples can be stored on record cards made from specialist filter paper and used in experiments at a later date.... view more... (2004-04-06)
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