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The gold standard: Biodesign Institute researchers use nanoparticles to make 3-D DNA nanotubes
Arizona State University researchers Hao Yan and Yan Liu imagine and assemble intricate structures on a scale almost unfathomably small. Their medium is the double-helical DNA molecule, a versatile building material offering near limitless construction potential. view more (2009-01-05)
JILA finds flaw in model describing DNA elasticity
DNA, the biomolecule that provides the blueprint for life, has a lesser-known identity as a stretchy polymer. view more (2007-09-17)
NYU chemists create 'nanorobotic' arm to operate within DNA sequence
New York University chemistry professor Nadrian C. Seeman and his graduate student Baoquan Ding have developed a DNA cassette through which a nanomechanical device can be inserted and function within a DNA array, allowing for the motion of a nanorobotic arm. view more (2006-12-08)
Comparing chimp and human DNA
Scientists look to the chimpanzee genome to better understand what is uniquely human about our own. One goal is to find DNA elements that show evidence of rapid evolution in the human lineage. view more (2006-10-13)
Genetic Studies at University of Leicester Advance DNA Profiling and Research Into Child Abuse
PhD student Eleanor Graham presented a paper on the "Determination of the distribution of DNA to the faces of children aged 0-5 years due to normal day-to-day interaction between the child and the carers." Her fellow Leicester authors were Vicky Bowyer, also a PhD Student and Professor Guy Rutty, with Sabine Maguire and Beverley Ellaway... view more... (2005-05-11)
Scientists Discover Role of Enzyme in DNA Repair
Scientists from the National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS), National Cancer Institute (NCI), and Integrative Bioinformatics Inc. have made an important discovery about the role of an enzyme called ataxia telangiectasia mutated protein (ATM) in the body's ability to repair damaged DNA. NIAMS and NCI are part... view more... (2007-06-28)
Detection of DNA on nanotubes offers new sensing, sequencing technologies
Researchers at the University of Illinois at Urbana-Champaign who recently reported that DNA-wrapped carbon nanotubes could serve as sensors in living cells now say the tiny tubes can be used to target specific DNA sequences. view more (2006-02-22)
Early Promise Of Non-Invasive Test For Colorectal Cancer (p 403)
A fast-track research letter in this week's issue of THE LANCET describes how the detection of a specific mutation in faecal DNA could be a reliable method for identifying a subset of proximal colorectal cancers. If successful, the new assessment, when combined with sigmoidoscopy or other DNA-based tests, could be advantageous over more difficult... view more... (2002-01-30)
Protein Sequences: Not So Predictable After All
Scientists have believed for decades that the sequencing of the human genome would automatically yield the sequences of proteins, the functional products of genes, and thus lead to the unraveling of the mechanisms behind human cell biology and disease. However, a paper published in Science today by the Ludwig Institute for Cancer Research (LICR)... view more... (2004-03-01)
New cheaper method for mapping disease genes
Scientists at the Swedish medical university Karolinska Institutet have developed a new DNA-sequencing method that is much cheaper than those currently in use in laboratories. They hope that this new method will make it possible to map disease genes in large patient groups, which in turn can mean quicker breakthroughs for new treatments for a wide... view more... (2008-05-27)
DNA editing tool flips its target
Imagine having to copy an entire book by hand without missing a comma. Our cells face a similar task every time they divide. They must duplicate both their DNA and a subtle pattern of punctuation-like modifications on the DNA known as methylation. view more (2008-09-04)
Bacteria change 'fingerprints' and baffle detectives
Tracing the source of a campylobacter food poisoning outbreak can be very difficult even with modern DNA fingerprinting methods. There is now evidence that campylobacters can rearrange their DNA, disguising their fingerprint, and confusing such detective work, scientists heard today (Tuesday 09 April 2002) at the spring meeting of the Society for... view more... (2002-04-02)
Damage to sperm DNA affects older men's chances of fathering children
Damage to DNA in sperm is significantly higher in older men than in those who are younger, according to research presented today (Tuesday 21 June 2005) at the 21st annual conference of the European Society of Human Reproduction and Embryology. view more (2005-06-21)
Pioneering food safety techniques in Europe
A novel method of genetic fingerprinting, analysed and tested by more than 200 European laboratories, has been developed in conjunction with the Gaiker Technological Centre and enables the avoidance of fraud, thus guaranteeing safe foods for the consumer. For their brand products the Eroski Group has developed and introduced a series of Food... view more... (2003-11-04)
New technology used to construct the first map of structural variation in the human genome
Beyond the simple stream of one-letter characters in the human genome sequence lies a complex, higher-order code. In order to decipher this level of architecture, scientists have developed powerful new experimental and algorithmic methods to detect copy number variants (CNVs)-defined as large deletions and duplications of DNA segments. view more (2006-11-27)
Genome of yellow fever/dengue fever mosquito sequenced
Developing new strategies to prevent and control yellow fever and dengue fever has become more possible with the completion of the first draft of the genome sequence of Aedes aegypti mosquito by scientists led by Vishvanath Nene at The Institute for Genomic Research (TIGR) and David Severson at the University of Notre Dame. view more (2007-05-18)
Evaluation of a Product Platform Strategy
In his dissertation, Mr. Petri I. Salonen explores the use of the product platform approach as applied to the development of analytical application software solutions. The product platform concept has been successfully demonstrated in several industries, for example, the automobile industry and the electronics industry (printers, cameras etc.). view more (2004-09-08)
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)
Electronic structure of DNA revealed for 1st time by Hebrew University and collaborating researchers
Utilizing a technique that combines low temperature measurements and theoretical calculations, Hebrew University of Jerusalem scientists and others have revealed for the first time the electronic structure of single DNA molecules. view more (2008-02-29)
Gene packaging tells story of cancer development
To decipher how cancer develops, Johns Hopkins Kimmel Cancer Center investigators say researchers must take a closer look at the packaging. view more (2008-12-05)
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