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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

Synchronous digestion of SV40 DNA by exonuclease III.

We have established an optimal condition for the synchronous digestion of SV40 DNA with Escherichia coli exonuclease III. Electron microscopy and polyacrylamide gel electrophoresis were used to obtain accurate measurements on the lengths of DNA before and after exonuclease III digestion. Based on this finding, a new method for determining the sequence of long duplex DNA can be realized. It involves (a) the synchronous digestion of the DNA from the 3' ends with exonuclease III, followed by (b) repair synthesis with labeled nucleotides and DNA polymerase, and (c) sequence analysis of the repaired DNA.[1]


  1. Synchronous digestion of SV40 DNA by exonuclease III. Wu, R., Ruben, G., Siegel, B., Jay, E., Spielman, P., Tu, C.P. Biochemistry (1976) [Pubmed]
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