Rolling circle replication of padlock probes

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United States of America Patent

PATENT NO 6558928
SERIAL NO

09647036

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Abstract

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Rolling circle replication of a padlock primer is inhibited when it is hybridized to a target nucleic acid that is long or circular. The invention provides methods of addressing this problem including cutting the target nucleic acid near or preferably at the site which hybridizes with the padlock probe, whereby a 3'-end of the cut target nucleic acid acts as a primer for rolling circle replication of the padlock probe. Also included is a method of assaying for a polyepitopic target by the use of two affinity probes each carrying an oligonucleotide tag and of a padlock probe for rolling circle replication in association with the two affinity probes

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Patent Owner(s)

Patent OwnerAddress
SIGMA-ALDRICH CO LLC3050 SPRUCE STREET ST LOUIS MO 63103

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Landegren, Ulf Uppsala University, Dept. of Medical Genetics, Biomedical Center, P.O. Box, Uppsala, SE S-751 23 40 2882

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