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. 1993 Mar 1;90(5):1647-51.
doi: 10.1073/pnas.90.5.1647.

Sequencing two DNA templates in five channels by digital compression

M Nelson  1 , Y Zhang, D L Steffens, R Grabherr, J L Van Etten
Affiliations

Sequencing two DNA templates in five channels by digital compression

M Nelson et al. Proc Natl Acad Sci U S A. .

Abstract

By applying algebraic coding methods to the Sanger dideoxynucleotide procedure, DNA sequences of two templates can be determined simultaneously in only five reactions and data channels. A 5:2 data compression is accomplished by instantaneous source coding of nucleotide sequence pairs into one set of 5-bit block codes. A general algebraic expression, 2n-1 > or = 4f, describes conditions under which f DNA templates can be sequenced using n channels. Such compression sequencing is accurate and efficient, as demonstrated by manual 35S autoradiographic detection and automated on-line analysis using fluorescent-labeled primers. Symmetric 5:2 compression is especially useful when comparing two closely related sequences.

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