Method for producing double-stranded DNA whose terminal homopolymer part is eliminated and method for determining nucleotide sequence
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United States of America Patent
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Feb 5, 2002
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Nov 5, 1999
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Nov 6, 1998
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Abstract
Disclosed is a method for producing double-stranded DNA comprising treating double-stranded DNA having a homopolymer part or parts at one or both ends with a restriction enzyme to partly or fully eliminate at least one of the homopolymer part or parts. The restriction enzyme is capable of cleaving double-stranded DNA at a cleavage site separate from a recognition site therefor. Disclosed is a method for determining a nucleotide sequence of double-stranded DNA utilizing one or both strands of the double-stranded DNA as a template, wherein the double-stranded DNA used as the template is double-stranded DNA prepared by the above method of the present invention. The present invention provides a method for producing double-stranded DNA a part or all of which homopolymer part, which may inhibit nucleotide sequence determination, is eliminated, and a method for determining a nucleotide sequence utilizing as a template the double-stranded DNA prepared by the above method of the present invention, whose homopolymer part is partially or fully eliminated.
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