Nucleic acid probe detectable by specific nucleic acid binding p

Chemistry: molecular biology and microbiology – Measuring or testing process involving enzymes or... – Involving nucleic acid

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435 7, 435 34, 435 39, 436501, 436504, 436508, 436808, 436811, 935 76, 935 77, 935 78, C12Q 168

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047771291

ABSTRACT:
A nucleic acid detection probe comprising a hybridizable single stranded portion of nucleic acid connected with a non-hybridizable, single or double stranded nucleic acid portion, the non-hybridizable portion preferably including a recognition site for binding by a particular protein. Such recognition site can be a region of singly or doubly stranded nucleic acid specific for a particular nucleic acid binding protein such as lac repressor protein or can be a modified nucleic acid region such as a unique antigenic determinant introduced by interaction of the region with a modifier compound such as an intercalating agent or a platinum-containing ligand. The probe-binding protein can be labeled for ease of detection and in the case of an antigenic determinant binding site can be labeled antibody.

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"Antibodies elicited against cis-diamminedichloroplatinum (II)-modified DNA are specific for cis-diamminedichloroplatinum (II)-DNA adducts formed in vivo and in vitro", M. C. Poirier et al., Proc. Natl. Acad. Sci. U.S.A. 79 (1982), pp. 6443-6447.

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