Methods for detecting genetic haplotypes by interaction with probes

• US 20060281102A1
• Filed: 02/09/2006
• Published: 12/14/2006
• Est. Priority Date: 10/24/2001
• Status: Abandoned Application

• Current Assignee: Robert S. Puskas
• Original Assignee: Robert S. Puskas
• Inventors: Puskas, Robert S.
• Application Number:
  US11/352,448
• Publication Number:
  US 20060281102A1
• Time in Patent Office: Days
• US Class Current: 435/6
• CPC Class Codes: C12Q 1/6827 for detection of mutation or polymorphism
• CPC Class Codes: C12Q 1/6872 involving mass spectrometry
• CPC Class Codes: C12Q 1/6881 for tissue or cell typing, e.g. human leukocyte antigen [HLA] probes
• CPC Class Codes: C12Q 2535/125 Allele specific primer extension
• CPC Class Codes: C12Q 2535/131 Allele specific probes
• CPC Class Codes: C12Q 2537/143 Multiplexing, i.e. use of multiple primers or probes in a single reaction, usually for simultaneously analyse of multiple analysis
• CPC Class Codes: C12Q 2600/156 Polymorphic or mutational markers
• CPC Class Codes: C12Q 2600/172 Haplotypes

Abstract

The present invention provides methods for determining genetic haplotype comprising identifying target nucleic acids or gene fragments, said nucleic acids or gene fragments comprising a haplotype of interest, and detecting at least one parameter displayed by one of a primer-dependent transcript, a probe, or a primer-dependent transcript/probe complex. Further provided are methods for determining genetic haplotype comprising labeling nucleic acids or gene fragments with a least one probe, and detecting the velocity of the nucleic acid molecule or gene fragment by sequentially measuring at least one parameter displayed by the probes.

Claims

1. A method for determining genetic haplotype comprising:

(a) identifying a target nucleic acid molecule or gene fragment, said nucleic acid molecule or gene fragment comprising a haplotype of interest, by;

(i) hybridizing a primer recognizing a first genetic variant, said variant correlating to a haplotype, to the target nucleic acid molecule or gene fragment and wherein a labeled primer dependent transcript is generated from the target nucleic acid or gene fragment; and

(1) hybridizing at least one labeled probe, said probe recognizing a second genetic variant downstream from the primer, to the primer dependent transcript, or

(2) hybridizing at least one unlabeled probe, said probe recognizing recognizing a second genetic variant downstream from the primer, to the primer dependent transcript; and

(b) detecting at least one parameter displayed by one of the primer-dependent transcript, the at least one probe, or a primer-dependent transcript/probe complex, thereby correlating the displayed parameter to the haplotype.

2. The method of claim 1, wherein the parameter displayed is selected from the group consisting of fluorescence lifetime, fluorescence polarization, mass, net charge, shape, diffusion, electrophoretic velocity, fluorescence, fluorescence intensity, luminescence, luminescence intensity, chemiluminescence, chemiluminescence intensity, light absorption, electrical reactance, and cooperative hybridization.

3. The method of claim 1, wherein the parameter of step (b) is displayed in an electric field.

4. The method of claim 1, wherein the labeled nucleic acid or gene fragment is separated from unlabeled nucleic acids prior to detection step (b).

5. The method of claim 4, wherein the labeled nucleic acid or gene fragment is separated from unlabeled nucleic acids by a change in the charge, mass or shape of the labeled nucleic acid in an electric field.

7. The method of claim 4, wherein the labeled nucleic acid or gene fragment is distinguished from unlabeled nucleic acids by a change in the charge, mass or shape of the labeled nucleic acid in an electric field.

8. The method of claim 4, wherein the labeled nucleic acid or gene fragment is distinguished from unlabeled nucleic acids by sieving the labeled nucleic acid in an electric field.

9. The method of claim 1, wherein the probe is bound to a molecule selected from the group consisting of a microsphere, nanosphere, barcode particle, and nanocrystal.

10. The method of claim 1, wherein the probe is selected from the group consisting of a nucleic acid, oligonucleotide, peptide, polypeptide, lipid, sterol, biological molecule, dye, drug, mass tag, isotope, and any combination thereof.

11. The method of claim 10, wherein the nucleic acid is selected from the group consisting of PNA, LNA, DNA, RNA, and DNX.

12. The method of claim 1, wherein the probe is bound to the nucleic acid or gene fragment covalently.

13. The method of claim 1, wherein the probe is in communication with:

(a) at least one nucleic acid or gene fragment; and

(b) at least one solid substrate.

6. The method of claim A, wherein the labeled nucleic acid or gene fragment is separated from unlabeled nucleic acids by sieving the labeled nucleic acid in an electric field.

14. A method for determining genetic haplotype comprising:

(a) identifying a target nucleic acid molecule or gene fragment, said nucleic acid molecule or gene fragment comprising a haplotype of interest, by;

(i) hybridizing a primer recognizing a first genetic variant, said variant correlating to a haplotype, to the target nucleic acid molecule or gene fragment and wherein a primer dependent transcript is generated from the target nucleic acid or gene fragment; and

(1) hybridizing at least one labeled probe, said probe recognizing a second genetic variant downstream from the primer, to the primer dependent transcript, or

(2) hybridizing at least one unlabeled probe, said probe recognizing a second genetic variant downstream from the primer, to the labeled primer dependent transcript; and

(b) detecting at least one parameter displayed by one of the labeled primer-dependent transcript, the at least one probe, or a primer-dependent transcript/probe complex, thereby correlating the displayed parameter to the haplotype.

15. The method of claim 14, wherein the parameter displayed is selected from the group consisting of fluorescence lifetime, fluorescence polarization, mass, net charge, shape, diffusion, electrophoretic velocity, fluorescence, fluorescence intensity, luminescence, luminescence intensity, chemiluminescence, chemiluminescence intensity, light absorption, electrical reactance, and cooperative hybridization.

16. The method of claim 14, wherein the parameter of step (b) is displayed in an electric field.

17. The method of claim 14, wherein the labeled nucleic acid or gene fragment is separated from unlabeled nucleic acids prior to detection step (b).

18. The method of claim 17, wherein the labeled. nucleic acid or gene fragment is separated from unlabeled nucleic acids by a change in the charge, mass or shape of the labeled nucleic acid in an electric field.

19. The method of claim 17, wherein the labeled nucleic acid or gene fragment is separated from unlabeled nucleic acids by sieving the labeled nucleic acid in an electric field.

20. The method of claim 17, wherein the labeled nucleic acid or gene fragment is distinguished from unlabeled nucleic acids by a change in the charge, mass or shape of the labeled nucleic acid in an electric field.

21. The method of claim 17, wherein the labeled nucleic acid or gene fragment is distinguished from unlabeled nucleic acids by sieving the labeled nucleic acid in an electric field.

22. The method of claim 14, wherein the probe is bound to a molecule selected from the group consisting of a microsphere, nanosphere, barcode particle, and nanocrystal.

23. The method of claim 14, wherein the probe is selected from the group consisting of a nucleic acid, oligonucleotide, peptide, polypeptide, lipid, sterol, biological molecule, dye, drug, mass tag, isotope, and any combination thereof.

24. The method of claim 23, wherein the nucleic acid is selected from the group consisting of PNA, LNA, DNA, RNA, and DNX.

25. The method of claim 14, wherein the probe is bound to the nucleic acid or gene fragment covalently.

26. The method of claim 14, wherein the probe is in communication with:

(a) at least one nucleic acid or gene fragment; and

(b) at least one solid substrate.

27. A method for determining genetic haplotype comprising:

(a) labeling a nucleic acid molecule or gene fragment with at least two probes, each probe recognizing a different genetic variation that defines a. haplotype; and

(b) detecting the nucleic acid molecule or gene fragment by measuring a sequential change in a single parameter displayed by the probes, thereby rendering the genetic haplotype determinable.

28. The method of claim 27, wherein the parameter displayed is selected from the group consisting of fluorescence lifetime, fluorescence polarization, mass, net charge, shape, diffusion, electrophoretic velocity, fluorescence, luminescence, chemiluminescence, light absorption, electrical reactance, and cooperative hybridization.

29. The method of claim 27, wherein the parameter of step (b) is displayed in an electric field.

30. The method of claim 27, wherein the labeled nucleic acid or gene fragment is separated from unlabeled nucleic acids prior to detection step (b).

31. The method of claim 30, wherein the labeled nucleic acid or gene fragment is separated from unlabeled nucleic acids by a change in the charge, mass or shape of the labeled nucleic acid in an electric field.

32. The method of claim 30, wherein the labeled nucleic acid or gene fragment is separated from unlabeled nucleic acids by sieving the labeled nucleic acid in an electric field.

33. The method of claim 30, wherein the labeled nucleic acid or gene fragment is distinguished from unlabeled nucleic acids by a change in the charge, mass or shape of the labeled nucleic acid in an electric field.

34. The method of claim 30, wherein the labeled nucleic acid or gene fragment is distinguished from unlabeled nucleic acids by sieving the labeled nucleic acid in an electric field.

35. The method of claim 27, wherein the probe is bound to a molecule selected from the group consisting of a microsphere, nanosphere, barcode particle, and nanocrystal.

36. The method of claim 27, wherein the probe is selected from the group consisting of a nucleic acid, oligonucleotide, peptide, polypeptide, lipid, sterol, biological molecule, dye, drug, mass tag, isotope, and any combination thereof.

37. The method of claim 36, wherein the nucleic acid is selected from the group consisting of PNA, LNA and DNX.

38. The method of claim 27, wherein the probe is bound to the nucleic acid or gene fragment covalently.

39. The method of claim 27, wherein the probe is in communication with:

(a) at least one nucleic acid or gene fragment; and

(b) at least one solid substrate.

40. A method for determining genetic haplotype comprising:

(a) labeling a nucleic acid molecule or gene fragment with at least two probes, each probe recognizing a different genetic variation that defines a haplotype; and

(b) detecting the nucleic acid molecule or gene fragment by measuring a sequential change in at least two parameters displayed by the probes, thereby rendering the genetic. haplotype determinable.

41. The method of claim 40, wherein the parameters displayed are selected from the group consisting of fluorescence lifetime, fluorescence polarization, mass, net charge, shape, diffusion, electrophoretic velocity, fluorescence, luminescence, chemiluminescence, light absorption, electrical reactance, cooperative hybridization, and any combination thereof.

42. The method of claim 40, wherein the parameters of step (b) are displayed in an electric field.

43. The method of claim 40, wherein the labeled nucleic acid or gene fragment is separated from unlabeled nucleic acids prior to detection step (b).

44. The method of claim 43, wherein the labeled nucleic acid or gene fragment is separated from unlabeled nucleic acids by a change in the charge, mass or shape of the labeled nucleic acid in an electric field.

45. The method of claim 43, wherein the labeled nucleic acid or gene fragment is separated from unlabeled nucleic acids by sieving the labeled nucleic acid in an electric field.

46. The method of claim 43, wherein the labeled nucleic acid or gene fragment is distinguished from unlabeled nucleic acids by a change in the charge, mass or shape of the labeled nucleic acid in an electric field.

47. The method of claim 43, wherein the labeled nucleic acid or gene fragment is distinguished from unlabeled nucleic acids by sieving the labeled nucleic acid in an electric field.

48. The method of claim 40, wherein the probe is bound to a molecule selected from the group consisting of a microsphere, nanosphere, barcode particle, and nanocrystal.

49. The method of claim 40, wherein the probe is selected from the group consisting of a nucleic acid, oligonucleotide, peptide, polypeptide, lipid, sterol, biological molecule, dye, drug, mass tag, isotope, and any combination thereof.

50. The method of claim 49, wherein the nucleic acid is selected from the group consisting of PNA, LNA and DNX.

51. The method of claim 40, wherein the probe is bound to the nucleic acid or gene fragment covalently.

52. The method of claim 40, wherein the probe is in communication with:

(a) at least one nucleic acid or gene fragment; and

(b) at least one solid substrate.

53. A method for determining genetic haplotype comprising:

(a) labeling a nucleic acid molecule or gene fragment with at least two probes, each probe recognizing a different genetic variation that defines a haplotype; and

(b) detecting the nucleic acid molecule or gene fragment by simultaneously measuring the parameters displayed by the probes, wherein the parameter is not cooperative hybridization, thereby rendering the genetic haplotype determinable.

54. The method of claim 53, wherein the parameter displayed is selected from the group consisting of fluorescence lifetime, fluorescence polarization, mass, net charge, shape, diffusion, electrophoretic velocity, fluorescence, luminescence, chemiluminescence, light absorption, and electrical reactance.

55. The method of claim 53, wherein the parameter of step (b) is displayed in an electric field.

56. The method of claim 53, wherein the labeled nucleic acid or gene fragment is separated from unlabeled nucleic acids prior to detection step (b).

57. The method of claim 56, wherein the labeled nucleic acid or gene fragment is separated from unlabeled nucleic acids by a change in the charge, mass or shape of the labeled nucleic acid in an electric field.

58. The method of claim 56, wherein the labeled nucleic acid or gene fragment is separated from unlabeled nucleic acids by sieving the labeled nucleic acid in an electric field.

59. The method of claim 56, wherein the labeled nucleic acid or gene fragment is distinguished from unlabeled nucleic acids by a change in the charge, mass or shape of the labeled nucleic acid in an electric field.

60. The method of claim 56, wherein the labeled nucleic acid or gene fragment is distinguished from unlabeled nucleic acids by sieving the labeled nucleic acid in an electric field.

61. The method of claim 53, wherein the probe is bound to a molecule selected from the group consisting of a microsphere, nanosphere, barcode particle, and nanocrystal.

62. The method of claim 53, wherein the probe is selected from the group consisting of a nucleic acid, oligonucleotide, peptide, polypeptide, lipid, sterol, biological molecule, dye, drug, mass tag, isotope, and any combination thereof.

63. The method of claim 62, wherein the nucleic acid is selected from the group consisting of PNA, LNA and DNX.

64. The method of claim 53, wherein the probe is bound to the nucleic acid or gene fragment covalently.

65. The method of claim 53, wherein the probe is in communication with:

(a) at least one nucleic acid or gene fragment; and

(b) at least one solid substrate.

66. A method for determining genetic haplotype comprising:

(a) labeling a nucleic acid molecule or gene fragment with at least two probes, each probe recognizing a different genetic variation that defines a haplotype; and

(b) detecting the nucleic acid molecule or gene fragment by simultaneously measuring at least two parameters displayed by the probes, wherein the parameter is not cooperative hybridization, and further wherein the probe is bound to a molecule selected from the group consisting of a microsphere, nanosphere and bar code particle, thereby rendering the genetic haplotype determinable.

67. The method of claim 66, wherein the parameter displayed is selected from the group consisting of fluorescence lifetime, fluorescence polarization, mass, net charge, shape, diffusion, electrophoretic velocity, fluorescence, luminescence, chemiluminescence, light absorption, and electrical reactance.

68. The method of claim 66, wherein the parameter of step (b) is displayed in an electric field.

69. The method of claim 66, wherein the labeled nucleic acid or gene fragment is separated from unlabeled nucleic acids prior to detection step (b).

70. The method of claim 69, wherein the labeled nucleic acid or gene fragment is separated from unlabeled nucleic acids by a change in the charge, mass or shape of the labeled nucleic acid in an electric field.

71. The method of claim 69, wherein the labeled nucleic acid or gene fragment is separated from unlabeled nucleic acids by sieving the labeled nucleic acid in an electric field.

72. The method of claim 69, wherein the labeled nucleic acid or gene fragment is distinguished from unlabeled nucleic acids by a change in the charge, mass or shape of the labeled nucleic acid in an electric field.

73. The method of claim 69, wherein the labeled nucleic acid or gene fragment is distinguished from unlabeled nucleic acids by sieving the labeled nucleic acid in an electric field.

74. The method of claim 66, wherein the probe is bound to a molecule selected from the group consisting of a microsphere, nanosphere, barcode particle, and nanocrystal.

75. The method of claim 66, wherein the probe is selected from the group consisting of a nucleic acid, oligonucleotide, peptide, polypeptide, lipid, sterol, biological molecule, dye, drug, mass tag, isotope, and any combination thereof.

76. The method of claim 75, wherein the nucleic acid is selected from the group consisting of PNA, LNA and DNX.

77. The method of claim 66, wherein the probe is bound to the nucleic acid or gene fragment covalently.

78. The method of claim 66, wherein the probe is in communication with:

(a) at least two nucleic acids or gene fragments; and

(b) at least two solid substrates.

79. A method for determining genetic haplotype comprising:

(a) labeling a nucleic acid molecule or gene fragment with at least one probe, each probe recognizing a different genetic variation that defines a haplotype; and

(b) detecting the velocity of the nucleic acid molecule or gene fragment by measuring the difference in time the probe displays a parameter measured by a first detector at a first position and a second detector at a second position, wherein the probe is bound to a molecule selected from the group consisting of a microsphere, nanosphere, bar code particle, and nanocrystal, thereby rendering the genetic haplotype determinable.

80. The method of claim 79, wherein the velocity is visually detected on a CCD detector.

81. A method for determining genetic haplotype comprising:

(a) labeling a nucleic acid molecule or gene fragment with a first probe and a second probe, said first probe and second probe recognizing a different genetic variation that defines a haplotype; and

(b) detecting the velocity of the nucleic acid molecule or gene fragment by sequentially measuring a first parameter displayed by the first probe and a second parameter displayed by the second probe, wherein the first or second probe is bound to a molecule selected from the group consisting of a microsphere, nanosphere, bar code particle, and nanocrystal, thereby rendering the genetic haplotype determinable.

82. The method of claim 81, wherein the velocity is visually detected on a CCD detector.