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Light exercise a tonic to keep the brain young
In the first study to show that lifelong exercise decreases cellular aging in the brain, scientists from the McKnight Brain Institute of the University of Florida say that moderately active rats have healthier DNA and more robust brain cells than their less active counterparts. view more (2005-11-14)
White blood cell uses DNA 'catapult' to fight infection
U.S. and Swiss scientists have made a breakthrough in understanding how a type of white blood cell called the eosinophil may help the body to fight bacterial infections in the digestive tract, according to research published online this week in Nature Medicine. view more (2008-08-14)
Adenine 'tails' make tailored anchors for DNA
Researchers from the National Institute of Standards and Technology (NIST), the Naval Research Laboratory (NRL) and the University of Maryland (UMD) have demonstrated a deceptively simple technique for chemically bonding single strands of DNA to gold. view more (2006-12-27)
A better test to detect DNA for diagnosing diease, investigating crimes
Researchers in Singapore are reporting development of a new electronic sensor that shows promise as a faster, less expensive, and more practical alternative than tests now used to detect DNA. view more (2009-08-27)
Aging boosts chances that a family line will be long-lived
Scientists have puzzled over just why organisms evolved aging as a strategy, and now there appears to be an answer. Allowing one individual to carry all the cellular damage inflicted over time, rather than dividing it between two organisms during reproduction, increases the chances that the individual's line will continue to reproduce for many... view more... (2007-03-14)
Garlic Helps Protect Our DNA
Mutagens damage DNA. Consequently, antimutagens have to repair these damages. As the effects on DNA differ, the ways of reparation also vary. However, the mechanism of the activity of some antimutagens has not been found yet. A team headed by Professor G.D. Zasukhina at N.I. Vavilov Institute of General Genetics (http://www.vigg.ru/vigg-en.htm),... view more... (2002-06-07)
Wired DNA
The hereditary DNA molecule was developed by nature to store the genetic information of its creatures. However in recent years it has been shown that this giant molecule could also have other qualities - it may also conduct electrical current. Three research groups that are looking into this subject have now published their results in Angewandte... view more... (1999-03-23)
Preserved in crystal
Scientists at the Weizmann Institute of Science recently discovered a new source of well-preserved ancient DNA in fossil bones. view more (2006-02-03)
PrP gene regulators could play a part in CJD susceptibility. Plus other science stories from the IAH's latest annual report
The Institute for Animal Health has published its 2002 Annual Report and Accounts. The report includes the following science stories from research around the Institute. view more (2003-05-21)
Gold nanoparticles prove to be hot stuff
Gold nanoparticles are highly efficient and sensitive "handles" for biological molecules being manipulated and tracked by lasers, but they also can heat up fast-by tens of degrees in just a few nanoseconds-which could either damage the molecules or help study them. view more (2006-09-01)
One hit of crystal meth causes birth defects: U of T study
A single prenatal dose of methamphetamine - commonly known as speed - may be enough to cause long-term neurodevelopmental problems in babies, say University of Toronto researchers. view more (2005-07-27)
Evolution of human genome's 'guardian' gives people unique protections from DNA damage
Human evolution has created enhancements in key genes connected to the p53 regulatory network - the so-called guardian of the genome - by creating additional safeguards in human genes to boost the network's ability to guard against DNA damage that could cause cancer or a variety of genetic diseases. view more (2008-01-17)
Tattooing improves response to DNA vaccine
A tattoo can be more than just a fashion statement - it has potential medical value, according to an article published in the online open access journal, Genetic Vaccines and Therapy. view more (2008-02-07)
Single-stranded DNA-binding protein is dynamic, critical to DNA repair
Researchers report that a single-stranded DNA-binding protein (SSB), once thought to be a static player among the many molecules that interact with DNA, actually moves back and forth along single-stranded DNA, gradually allowing other proteins to repair, recombine or replicate the strands. view more (2009-10-22)
DNA repair proteins monitored at double-strand break
Investigators at St. Jude Children's Research Hospital had a molecule's eye view of the human cell's DNA repair kit as it assembled on a double-strand break to link together the broken ends. view more (2007-05-10)
University of Strathclyde DNA researcher wins Royal Society of Chemistry Award
A DNA researcher at the University of Strathclyde has been awarded over £200,000 by the Royal Society of Chemistry. Dr Duncan Graham has won the prestigious Analytical Grand Prix Fellowship in recognition of his groundbreaking research into DNA diagnostics. Dr Graham`s winning entry involves a new technique, SERRS* technology, which is... view more... (2002-09-04)
Why does an anti-anthrax drug kill plants too?
Scientists at the John Innes Centre (JIC), Norwich (1) have today reported that a very successful antibiotic, which is harmless to humans but lethal to most bacteria, also kills plants. They have found that an enzyme, which is an important target for several families of antibiotics and was thought to exist only in bacteria, is also present in... view more... (2004-05-12)
UNC study supports role of circadian clock in response to chemotherapy
For years, research has hinted that the time of day that cancer patients receive chemotherapy can impact their chances of survival. But the lack of a clear scientific explanation for this finding has kept clinicians from considering timing as a factor in treatment. view more (2009-01-13)
Saved by junk DNA
VIB researchers linked to K.U.Leuven and Harvard University show that stretches of DNA previously believed to be useless 'junk' DNA play a vital role in the evolution of our genome. view more (2009-05-29)
Chromium 6: A Killer Compound With An Improbable Trigger
Even miniscule amounts of chromium 6 can cause cancer. Blame that do-gooder nutrient, vitamin C. view more (2007-03-13)
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