The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Nov. 11, 1997

Filed:

May. 08, 1995
Applicant:
Inventors:

Garfield P Royer, Elburn, IL (US);

Larry E Morrison, Glen Ellyn, IL (US);

Kenneth A Cruickshank, Naperville, IL (US);

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C12Q / ; C12P / ; C07H / ; C07H / ;
U.S. Cl.
CPC ...
435-6 ; 435 911 ; 435 912 ; 435 9151 ; 435 9152 ; 536 243 ; 935 77 ; 935 78 ;
Abstract

A method for the detection of a target polynucleotide sequence wherein the target polynucleotide sequence is used as a template to direct hybridization of first and second polynucleotide probes to contiguous portions of the target. The hybridized probes are then ligated, preferably by covalent linkage of photoreactive functional groups present on each of the probes, to produce a ligated reaction product. The ligated reaction product is then multiplied with a polymerase such as Q-beta replicase to produce an enzyme reaction product which is then detected. The presence of the enzyme reaction product is indicative of the presence of the target polynucleotide sequence.


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