News tagged with dna molecules

Making and breaking heterochromatin

To fit the two-meter long DNA molecule into a cell nucleus that is only a few thousandths of a millimetre in size, long sections of the DNA must be strongly compacted. Epigenetic marks maintain these sections, ...

dateSep 25, 2012 in Cell & Microbiology
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Research: Hopping DNA supercoils

If you take hold of a DNA molecule and twist it, this creates 'supercoils', which are a bit like those annoying loops and twists you get in earphone cables. Research carried out by TU Delft, The Netherlands, ...

dateSep 14, 2012 in Cell & Microbiology
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DNA strands create tiniest Smileys

Harvard University scientists on Wednesday said they had created Smileys, Chinese characters and card-game symbols at scales of billionths of a metre using strands of DNA.

dateMay 30, 2012 in Bio & Medicine
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DNA tug of war

A mathematical model created by Aalto University (Finland) researcher Timo Ikonen explains for the first time how the DNA chains in our genome are translocated through nanopores that are only a couple of nanometres thick.

dateMay 11, 2012 in General Physics
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Creating life-saving drugs from deadly venom

When faced with a scorpion, poisonous snake, jellyfish or tarantula, most people would beat a hasty retreat. For a team of scientists investigating the therapeutic potential of their venom, these are however ...

dateJun 21, 2013 in Biochemistry
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High court to hear farmer, Monsanto seed dispute

(AP)—The Supreme Court is agreeing to hear a dispute between a soybean farmer and Monsanto Co. over the company's efforts to limit farmer's use of its patented, genetically engineered Roundup Ready seeds.

dateOct 05, 2012 in Other
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