DNA supercoils are capable of moving along strands, study says

09/14/2012 | The Scientist online

Sections of extra-twisted loops of DNA, called supercoils or plectonemes, are capable of moving long distances, a phenomenon that could affect the regulation of genes, according to a study in the journal Science. Researchers discovered that supercoils jump along the strands either by slowly diffusing along strands or by suddenly "hopping" from one location to another on the strand.

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