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Researchers find better prostate cancer indicators
Researchers at Mayo Clinic have narrowed the search for effective prostate cancer biomarkers (genetic variations that point to a specific disease or condition), identifying changes in the expression of genes of the whole genome closely correlated to prostate cancer development and progression. view more (2006-03-28)
Novel connection found between biological clock and cancer
Dartmouth Medical School geneticists have discovered that DNA damage resets the cellular circadian clock, suggesting links among circadian timing, the cycle of cell division, and the propensity for cancer. view more (2006-06-30)
Scientists crack 40-year-old DNA puzzle and point to 'hot soup' at the origin of life
A new theory that explains why the language of our genes is more complex than it needs to be also suggests that the primordial soup where life began on earth was hot and not cold, as many scientists believe. view more (2005-08-03)
Genes and genius: Researchers confirm association between gene and intelligence
A team of scientists, led by psychiatric geneticists at Washington University School of Medicine in St. Louis, has gathered the most extensive evidence to date that a gene that activates signaling pathways in the brain influences one kind of intelligence. view more (2007-02-28)
Costly plant tumors are found by Cornell microbiologist to be result of soil bacterium 'smelling' and entering wound
How does a wound in certain plants like roses and grapevines develop into a tumor? The answer appears to lie in a common soil bacterium that is able to "smell" the wound and speed up the infection process. view more (2005-10-24)
Life's origins were easier than was thought
In the primordial soup that produced life on earth, there were organic molecules that combined to produce the first nucleic acid chains, which were the first elements able to self-replicate. view more (2005-09-16)
DNA repair teams' motto: 'To protect and serve'
When you dial 911 you expect rescuers to pull up at your front door, unload and get busy-not park the truck down the street and eat donuts. view more (2006-11-17)
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)
DNA barcodes put to the test
With species around the world disappearing faster than biologists can identify them, many scientists pinned their hopes on DNA barcoding, a recently proposed strategy that treats a short fragment of DNA as a sort of universal product code to identify species. view more (2005-11-29)
A tiny protein plays a big role in DNA repair
Two of DNA's worst enemies, ultraviolet light and chemical carcinogens, can wreak havoc on the molecule by mutating individual nucleotides or changing its physical structure. view more (2006-05-09)
New methods offer insight into regulatory DNA
Through the Human Genome Project, the HapMap Project and other efforts, we are beginning to identify genes that are modified in some diseases. More difficult to measure and identify are the regulatory regions in DNA - the 'managers' of genes - that control gene activity and might be important in causing disease. view more (2005-12-16)
Engineers build DNA 'nanotowers' with enzyme tools
Duke engineers have added a new construction tool to their bio-nanofabrication toolbox. Using an enzyme called TdTase, engineers can vertically extend short DNA chains attached to nanometer-sized gold plates. This advance adds new capability to the field of bio-nanomanufacturing. view more (2005-10-13)
Learning the language of DNA
An international consortium of scientists, including a team from The University of Queensland's Institute for Molecular Bioscience (IMB), is a step closer to the next generation of treatments to combat disease, after publishing a comprehensive analysis of the human and mouse transcriptomes. view more (2006-05-03)
Yale study explains complex infection fighting mechanism
Yale School of Medicine researchers report in Nature Immunology how infection fighting mechanisms in the body can distinguish between a virus and the healthy body, shedding new light on auto immune disorders. view more (2006-01-11)
Weizmann Institute scientists discover a molecular security mechanism for keeping mutations in check
Everyone knows mutations - genetic mistakes in DNA, the material of heredity - are bad: The more mutations in the cell's DNA, the higher the risk of cancer developing. view more (2006-05-05)
Whole genome promoter mapping - Human Genome Project v2.0?
nvestigators from the University California, San Diego (UCSD) Branch of the Ludwig Institute for Cancer Research (LICR) and NimbleGen Systems have developed an efficient method to identify thousands of regulatory sequences in the human genome, according to a study published today in Nature. view more (2005-06-30)
UCLA researchers unravel a mystery about DNA
UCLA researchers in collaboration with researchers at Rutgers University have solved longstanding mysteries surrounding DNA transcription, the first step in carrying out instructions contained in our genes. view more (2006-11-17)
Stressed cells spark DNA repair missteps and speed evolution
When Dr. Susan Rosenberg, professor of molecular and human genetics at Baylor College of Medicine, first published her finding that the mutation rate increased in bacteria stressed by starvation, sometimes resulting in a rare change that benefited the bacteria, it was controversial. view more (2005-09-16)
Utah researchers confirm chromosome may harbor autism gene
Using technology that allows DNA from thousands of genes to be collected and surveyed on a 3 x 1¬Ω-inch chip, University of Utah medical researchers have confirmed that a region on a single chromosome probably harbors a gene that causes autism. view more (2006-01-18)
Emory scientists develop new map of genetic variation in human genome
Emory University scientists have identified and created a map of more than 400,000 insertions and deletions (INDELs) in the human genome that signal a little-explored type of genetic difference among individuals. view more (2006-08-11)
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