We investigated the electrophoretic behavior of triplet repeat DNA fragments by capillary electrophoresis and found triplet repeat DNA fragments showed unusual mobilities compared with those of commercially available DNA molecular marker. The electrophoretic data are analyzed by means of Ogston model and the mechanism of a change in mobility of triplet repeat DNA is discussed. The unusual mobilities are caused by the characteristic higher-order structure formed by GC-rich triplet repeat DNA.
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| http://dx.doi.org/10.1016/s0165-022x(99)00044-5 | DOI Listing |
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