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. 1974 Mar;1(3):331-53.
doi: 10.1093/nar/1.3.331.

DNA sequence analysis: a general, simple and rapid method for sequencing large oligodeoxyribonucleotide fragments by mapping

E Jay, R Bambara, R Padmanabhan, R Wu

DNA sequence analysis: a general, simple and rapid method for sequencing large oligodeoxyribonucleotide fragments by mapping

E Jay et al. Nucleic Acids Res. 1974 Mar.

Abstract

Several electrophoretic and chromatographic systems have been investigated and compared for sequence analysis of oligodeoxyribonucleotides. Three systems were found to be useful for the separation of a series of sequential degradation products resulting from a labeled oligonucleotide: (I) 2-D electrophoresisdagger; (II) 2-D PEI-cellulose; and (III) 2-D homochromatography. System (III) proved generally most informative regardless of base composition and sequence. Furthermore, only in this system will the omission of an oligonucleotide in a series of oligonucleotides be self-evident from the two-dimensional map. The sequence of up to fifteen nucleotides can be determined solely by the characteristic mobility shifts of its sequential degradation products distributed on the two-dimensional map. With this method, ten nucleotides from the double-stranded region adjacent to the left-hand 3'-terminus and seven from the right-hand 3'-terminus of bacteriophage lambda DNA have been sequenced. Similarly, nine nucleotides from the double-stranded region adjacent to the left-hand 3'-terminus and five nucleotides from the right-hand terminus of bacteriophage phi80 DNA have also been sequenced. The advantages and disadvantages of each separation system with respect to sequence analysis are discussed.

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