Methods for genotyping selected polymorphism
First Claim
1. A kit comprising at least 100 different species of capture probes for genotyping a plurality of polymorphic positions each present on a different target sequence:
- wherein each target sequence comprises a common sequence that is within 1000 base pairs of the polymorphic position;
wherein each target sequence comprises a consensus sequence immediately adjacent to the common sequence wherein the consensus sequence comprises at least one base that is identical in all the target sequences and at least one base that is variable between target sequences;
wherein each capture probe comprises a first universal priming sequence and a target specific sequence that comprises a region that is complementary to the consensus sequence from one target sequence and a region that is complementary to the common sequence,wherein the capture probes are optionally pooled into 1 to 5 containers each containing a plurality of different species of capture probes; and
wherein the kit further comprises an array of allele specific probes, the array comprising at least one allele specific probe for each allele of each polymorphic position in said plurality of polymorphic positions.
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Abstract
Methods for genotyping polymorphisms using a locus specific primer that is complementary to a region near a selected polymorphism are described. Methods for synthesizing pools of locus specific primers that incorporate some degenerate positions are also disclosed. A plurality of different sequence capture probes are synthesized simultaneously using degenerate oligonucleotide synthesis. The sequence of the locus specific regions of the capture probes are related in that they have some bases that are identical in each sequence in the plurality of sequences and positions that vary from one locus specific region to another. The sequences are selected based on proximity to a polymorphism of interest and because they conform to a similar sequence pattern.
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Citations
12 Claims
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1. A kit comprising at least 100 different species of capture probes for genotyping a plurality of polymorphic positions each present on a different target sequence:
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wherein each target sequence comprises a common sequence that is within 1000 base pairs of the polymorphic position; wherein each target sequence comprises a consensus sequence immediately adjacent to the common sequence wherein the consensus sequence comprises at least one base that is identical in all the target sequences and at least one base that is variable between target sequences; wherein each capture probe comprises a first universal priming sequence and a target specific sequence that comprises a region that is complementary to the consensus sequence from one target sequence and a region that is complementary to the common sequence, wherein the capture probes are optionally pooled into 1 to 5 containers each containing a plurality of different species of capture probes; and
wherein the kit further comprises an array of allele specific probes, the array comprising at least one allele specific probe for each allele of each polymorphic position in said plurality of polymorphic positions. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A kit comprising at least 100 different species of capture probes for genotyping a plurality of polymorphic positions each present on a different target sequence:
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wherein each target sequence comprises a common sequence that is within 1000 base pairs of the polymorphic position; wherein each target sequence comprises a consensus sequence immediately adjacent to the common sequence wherein the consensus sequence comprises at least one base that is identical in all the target sequences and at least one base that is variable between target sequences; wherein each capture probe comprises a first universal priming sequence and a target specific sequence that comprises a region that is complementary to the consensus sequence from one target sequence and a region that is complementary to the common sequence, wherein the capture probes are optionally pooled into 1 to 5 containers each containing a plurality of different species of capture probes; wherein each polymorphism in the plurality is within 1000 base pairs of a recognition site for a selected restriction enzyme and wherein the polymorphic position is between said recognition site and said common and consensus sequences; and further comprising an adaptor sequence comprising a single strand overhang that is complementary to the overhang generated by digestion with said selected restriction enzyme. - View Dependent Claims (11)
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12. A kit comprising at least 100 different species of capture probes for genotyping a plurality of polymorphic positions each present on a different target sequence:
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wherein each target sequence comprises a common sequence that is within 1000 base pairs of the polymorphic position; wherein each target sequence comprises a consensus sequence immediately adjacent to the common sequence wherein the consensus sequence comprises at least one base that is identical in all the target sequences and at least one base that is variable between target sequences; wherein each capture probe comprises a first universal priming sequence and a target specific sequence that comprises a region that is complementary to the consensus sequence from one target sequence and a region that is complementary to the common sequence, wherein the capture probes are optionally pooled into 1 to 5 containers each containing a plurality of different species of capture probes; wherein each polymorphism in the plurality is within 1000 base pairs of a recognition site for a selected restriction enzyme and wherein the polymorphic position is between said recognition site and said common and consensus sequences; wherein said plurality of different species of capture probes are attached to a solid support selected from the group consisting of arrays, beads, microparticles, microtitre dishes and gels; and wherein each capture probe further comprises a tag sequence that is unique for each species of capture probe and the capture probes are attached to the solid support by hybridization to a collection of tag probes that are covalently attached to the solid support.
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Specification