Claims
- 1. An array, comprising:
a support comprised of a surface; and a plurality of modified oligonucleotides associated with the surface; wherein the modified oligonucleotides are characterized by selectively binding to a natural nucleotide target sequence based whether the target sequence is comprised an oxygen atom at the 2′ position of the ribose moiety of the sequence.
- 2. The array of claim 1, wherein the modified oligonucleotides of each composition are further characterized by a pH stability of at least one hour at 37° C. at a pH range of about 0.5 to about 6.0.
- 3. The array of claim 1, wherein the support comprises a plurality of distinct areas, and wherein a plurality of different modified oligonucleotides are associated with the distinct areas of the surface.
- 4. The array of claim 1, wherein the array comprises a plurality of surfaces, each surface associated with a plurality of modified oligonucleotides having a same sequence.
- 5. The array of claim 1, wherein the modified oligonucleotide compositions that selectively bind to DNA, and wherein each modified oligonucleotide in the composition further comprises an end-block, and further wherein the modified oligonucleotides are characterized by a nuclease resistance of at least twice that of a naturally occurring oligonucleotide having the same sequence and number of bases.
- 6. The array of claim 5, wherein the modified oligonucleotide compositions are comprised of oligonucleotides having p-ethoxy internucleoside linkages, and wherein each modified oligonucleotide is comprised of between 6-200 nucleotides.
- 7. The array of claim 6, wherein each modified oligonucleotide comprises at least 25% p-ethoxy intemucleoside linkages.
- 8. The array of claim 6, wherein each modified oligonucleotide comprises at least 50% p-ethoxy intemucleoside linkages.
- 9. The array of claim 1, wherein said modified oligonucleotides have an average length of from about 35 to about 100 monomer units.
- 10. The array of claim 1, wherein the modified oligonucleotides are modified at each monomer unit.
- 11. The array of claim 1, wherein the array is comprised of modified oligonucleotide compositions that selectively bind to RNA, and wherein each modified oligonucleotide in the composition further comprises an end-block, and further wherein the modified oligonucleotides are characterized by a nuclease resistance of at least twice that of a naturally occurring oligonucleotide having the same sequence and number of bases.
- 12. The array of claim 11, wherein the modified oligonucleotide compositions are comprised of oligonucleotides having 2′-5′ internucleoside linkages, and wherein each modified oligonucleotide is comprised of between 6-200 monomer units.
- 13. The array of claim 12, wherein each modified oligonucleotide comprises at least 25% 2′-5′ internucleoside linkages.
- 14. The array of claim 13, wherein each modified oligonucleotide comprises at least 50% p-ethoxy internucleoside linkages.
- 15. The array of claim 1, wherein said modified oligonucleotides have an average length of from about 35 to about 100 monomer units, and wherein the modified oligonucleotides are modified at each monomer unit.
- 16. The array of claim 15, wherein the modified oligonucleotide compositions are comprised of oligonucleotides having at least one 3′-substitution.
- 17. An array comprising a plurality of modified oligonucleotide compositions stably associated with the surface of a support, comprising:
a first set of compositions comprised of modified oligonucleotides that selectively bind to DNA, wherein the oligonucleotides of each composition have a specific determined sequence; a second set of compositions comprised of modified oligonucleotide compositions that selectively bind to RNA, wherein the oligonucleotides of each composition have a specific determined sequence; wherein each different modified oligonucleotide composition is stably associated with a different distinct area of the support, and further wherein each composition of the first set has a corresponding composition of the second set having a same nucleotide sequence.
- 18. The array of claim 17, wherein the modified oligonucleotides of each composition are further characterized by a pH stability of at least one hour at 37° C. at a pH range of about 0.5 to about 6.0. wherein each composition of the first set has a corresponding composition of the second set with the same sequence.
- 19. The array of claim 18, wherein each modified oligonucleotide in the composition further comprises an end-block, and further wherein the modified oligonucleotides are characterized by a nuclease resistance of at least twice that of a naturally occurring oligonucleotide having the same sequence and number of bases.
- 20. A method for identifying a DNA or RNA molecule in a biological sample, comprising the steps of:
producing an array comprising a first set of compositions comprised of modified oligonucleotides that selectively bind to DNA, wherein the oligonucleotides of each composition have a specific determined sequence, and a second set of compositions comprised of modified oligonucleotide compositions that selectively bind to RNA, wherein each composition of the first set has a corresponding composition of the second set with the same sequence; exposing said array to a biological sample; hybridizing said sample to the array; and detecting said hybridization; wherein the nucleic acid is identified by comparison of hybridization to a composition in the first set of compositions to hybridization to the corresponding composition in the second set having the same sequence.
Parent Case Info
[0001] This application is a continuation-in-part of our earlier filed application Ser. No. 09/408,088, filed Sep. 29, 1999, which is a continuation-in-part of application Ser. No. 09/223,498, filed Dec. 30, 1998, to each of which we claim priority under 35 U.S.C. § 120 and which are each incorporated herein by reference in their entirety.
Continuations (1)
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09524092 |
Mar 2000 |
US |
Child |
10417350 |
Apr 2003 |
US |
Continuation in Parts (2)
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09408088 |
Sep 1999 |
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09524092 |
Mar 2000 |
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Parent |
09223498 |
Dec 1998 |
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09408088 |
Sep 1999 |
US |