Search results for DNA:
Researchers uncover process involved in DNA repair
Jun 29, 2009 |
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(PhysOrg.com) -- Every day people are exposed to chemical and physical agents that damage DNA. If it isn't repaired properly, this damage can lead to mutations that in some circumstances can lead to the development ...
DNA gripped in nanopores
Nanotechnology / Bio & Medicine
May 14, 2009 |
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Molecular biologists, including the cool dudes from CSI, use gel electrophoresis to separate DNA fragments from each other in order to analyze the DNA. A team of researchers under the leadership of Vici winner Serge Lemay, ...
Saved by junk DNA
May 28, 2009 |
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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. They found that unstable pieces of junk ...
Enzyme necessary for DNA synthesis can also erase DNA
Jun 08, 2009 |
4.7 / 5 (3) |
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In this week's edition of Proceedings of the National Academy of Sciences, PNAS, Uppsala University scientists describe a new mechanism behind an important process that causes a rapid reduction of DNA in the chromosomes of bac ...
Metal sheets with DNA framework may enable nanocircuits
Nanotechnology / Bio & Medicine
May 20, 2009 |
4.8 / 5 (5) |
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(PhysOrg.com) -- Using DNA not as a genetic material but as a structural support, Cornell researchers have created thin sheets of gold nanoparticles held together by strands of DNA. The work could prove useful ...
DNA molecules can detect pathogens, deliver drugs
Nanotechnology / Bio & Medicine
May 20, 2009 |
5 / 5 (1) |
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(PhysOrg.com) -- First, Cornell researchers created DNA "bar codes" -- strands of the genetic material that quickly identify the presence of different molecules by fluorescing. Now, they have created new DNA ...
DNA patterns of microbes
Jun 25, 2009 |
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(PhysOrg.com) -- The genomes or DNA of microbes contain defined DNA patterns called genome signatures. Such signatures may be used to establish relationships and to search for DNA from viruses or other organisms ...
New antibiotics could come from a DNA binding compound that kills bacteria in 2 minutes
Jun 09, 2009 |
4.2 / 5 (17) |
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(PhysOrg.com) -- A synthetic DNA binding compound has proved surprisingly effective at binding to the DNA of bacteria and killing all the bacteria it touched within two minutes. The DNA binding properties of the compound ...
Platypus link to ovarian cancer
Jun 26, 2009 |
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(PhysOrg.com) -- Researchers from the Royal Adelaide Hospital and University of Adelaide believe our oldest mammalian relative may help us to better understand ovarian cancer.
Secrets revealed about how disease-causing DNA mutations occur
Jul 02, 2009 |
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A team of Penn State scientists has shed light on the processes that lead to certain human DNA mutations that are implicated in hundreds of inherited diseases such as tuberous sclerosis and neurofibromatosis ...
Scientists 'rebuild' giant moa using ancient DNA
Jul 01, 2009 |
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(PhysOrg.com) -- Scientists have performed the first DNA-based reconstruction of the giant extinct moa bird, using prehistoric feathers recovered from caves and rock shelters in New Zealand.
Bacterial 'sex' causes antibiotic resistance
Jun 11, 2009 |
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Some disease-causing bacteria are becoming resistant to antibiotics because they have peculiar sex lives, say researchers publishing new results today in the journal Science. The new study helps scientists understand how ba ...
New tool helps researchers identify DNA patterns of cancer, genetic disorders
May 19, 2009 |
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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. The tool was developed at North Carolina State ...
Genetically engineered mice yield clues to 'knocking out' cancer
Jul 01, 2009 |
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Deleting two genes in mice responsible for repairing DNA strands damaged by oxidation leads to several types of tumors, providing additional evidence that such stress contributes to the development of cancer. ...
BRIT1 allows DNA repair teams access to damaged sites
Jun 19, 2009 |
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Like a mechanic popping the hood of a car to get at a faulty engine, a tumor-suppressing protein allows cellular repair mechanisms to pounce on damaged DNA by overcoming a barrier to DNA access.
