Papers in the Biological Sciences

 

Document Type

Article

Date of this Version

1988

Comments

Published in Proc. Natl. Acad. Sci. USA Vol. 85, pp. 5610-5614, August 1988. Used by Permission

Abstract

A method for sequencing DNA by using a difluoresceinated primer and laser excitation is described. Dideoxy protocols have been determined that provide sequences for 600 bases starting with base 1 with <1% error in a single load. Electrophoresis is at 20 W and the bands are detected 24 cm from the bottom of the loading well with a scanning fluorescence detector. Bands are imaged on a TV screen in two dimensions. The sequences can be read from the TV screen manually or semiautomatically by using a simple software program. The system allows more bases to be read with a lower error rate than any other reported automated sequencing method.

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