Nucleic acid reading and analysis system
DCFirst Claim
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1. A polynucleotide analysis apparatus comprising:
- a capillary substrate having a surface that is made of a material that is different from the remainder of the capillary, said surface comprising a plurality of different polynucleotides, each of said different polynucleotides occupying a different area of said surface, each of said areas being 10−
1 cm2 or less in detectable area, said surface being within the capillary and comprising more than 10 of such polynucleotides, at least some of said polynucleotides bearing fluorescently labeled target molecules excitable with a laser;
an argon laser light source capable of generating light at a wavelength of about 488 nm or less at said surface to excite said fluorescently labeled target molecules, which generate light at a frequency greater than 488 nm;
said laser oriented to direct the laser light at said surface at an angle capable of contacting said target molecules;
a CCD detector oriented in a manner capable of detecting light fluoresced from said target molecules in said areas; and
a data collection, recording and management system for storing fluoresced light intensity, said data collection, recording and management system coupled to said CCD detector, said data collection, recording and management system storing light intensity and converting said light intensity into nucleic acid sequence information.
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Abstract
A method and apparatus for preparation of a substrate containing a plurality of sequences. Photoremovable groups are attached to a surface of a substrate. Selected regions of the substrate are exposed to light so as to activate the selected areas. A monomer, also containing a photoremovable group, is provided to the substrate to bind at the selected areas. The process is repeated using a variety of monomers such as amino acids until sequences of a desired length are obtained. Detection methods and apparatus are also disclosed.
317 Citations
53 Claims
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1. A polynucleotide analysis apparatus comprising:
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a capillary substrate having a surface that is made of a material that is different from the remainder of the capillary, said surface comprising a plurality of different polynucleotides, each of said different polynucleotides occupying a different area of said surface, each of said areas being 10−
1 cm2 or less in detectable area, said surface being within the capillary and comprising more than 10 of such polynucleotides, at least some of said polynucleotides bearing fluorescently labeled target molecules excitable with a laser;
an argon laser light source capable of generating light at a wavelength of about 488 nm or less at said surface to excite said fluorescently labeled target molecules, which generate light at a frequency greater than 488 nm;
said laser oriented to direct the laser light at said surface at an angle capable of contacting said target molecules;
a CCD detector oriented in a manner capable of detecting light fluoresced from said target molecules in said areas; and
a data collection, recording and management system for storing fluoresced light intensity, said data collection, recording and management system coupled to said CCD detector, said data collection, recording and management system storing light intensity and converting said light intensity into nucleic acid sequence information. - View Dependent Claims (2, 3, 4, 5, 6, 51)
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7. A polynucleotide analysis apparatus comprising an argon laser light source capable of generating a laser beam providing light at a wavelength of about 488 nm or less to excite fluorescently labeled target molecules attached to said polynucleotides in a substrate to emit excited fluorescent light at a wavelength greater than 488 nm detected by a CCD detector oriented in a manner capable of detecting said emitted fluorescent light from said target molecules in said substrate irradiated by said laser beam, said substrate having more than 10 polynucleotides and each detectable polynucleotide being present in 10−
- 1 cm2 or less in detectable area, said CCD detector coupled to a data collection system for analyzing fluoresced light intensity and converting said light intensity into nucleic acid sequence information.
- View Dependent Claims (8, 9, 10, 11, 12, 13)
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14. An apparatus for analyzing nucleic acid binding, comprising:
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a substrate that comprises at least 1000 different spheres, beads, or particles having different species of nucleic acids attached thereto, the area of the substrate containing the at least 1000 spheres, beads, or particles being less than 1 cm2, at least some of the nucleic acids being bound to fluorescently labeled target nucleic acids;
a laser energy source to illuminate the fluorescent labels;
a detector to detect a fluorescent label bound to said target nucleic acids; and
a data collection system for storing fluoresced light intensity. - View Dependent Claims (15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 44, 45)
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27. An apparatus for detecting binding of nucleic acids;
- comprising;
(a) a substrate that comprises at least 1000 different spheres, beads, or particles having different species of nucleic acids attached thereto, the area of the substrate containing the at least 1000 spheres, beads, or particles being less than 1 cm2, at least some of the nucleic acids being bound to fluorescently labeled target nucleic acids (b) a laser excitation light source;
(c) a detector capable of receiving a signal from the fluorescent labels, the detector comprising a microscope;
(d) a translator to move the substrate relative to the detector; and
(e) a data collection system adapted to receive input from the detector. - View Dependent Claims (28, 29, 30, 31, 32, 33, 34, 48, 50)
- comprising;
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35. A method for screening large numbers of biological polymers, comprising:
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providing target nucleic acids;
providing a substrate having an array of at least 1000 different beads, the different beads occupying an area on a substrate of less than 1 cm2, at least some of the different beads having different nucleic acids covalently attached thereto;
contacting the target nucleic acids and the beads so that after contact at least some of the nucleic acids on the beads hybridize to the target nucleic acids further comprising having fluorescently labeled nucleic acids bound thereto;
illuminating the array with a laser energy source to excite the fluorescent labels; and
detecting fluoresced light with a detector that is connected to a data storage system; and
determining which nucleic acids on the beads have bound to target nucleic acids. - View Dependent Claims (36, 37, 38, 39, 40, 41, 42, 43, 46, 47, 49)
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52. An apparatus for detecting binding of nucleic acids;
- comprising;
(a) a substrate that comprises and at least 1000 different spheres, beads, or particles having different species of nucleic acids attached thereto, the area of the substrate containing the at least 1000 spheres, beads, or particles being less than 1 cm2, at least some of the nucleic acids being fluorescently labeled;
(b) an excitation light source;
(c) a CCD detector capable of receiving a signal from the fluorescent labels, (d) a data collection system adapted to receive input from the detector.
- comprising;
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53. A method for screening large numbers of biological polymers, comprising:
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providing target nucleic acids;
providing a substrate having an array of at least 1000 different beads, the different beads occupying an area on a substrate of less than 1 cm2, at least some of the different beads having different nucleic acids covalently attached thereto;
contacting the target nucleic acids and the beads so that after contact at least some of the nucleic acids on the beads hybridize to the target nucleic acids further comprising having fluorescently labeled nucleic acids bound thereto;
illuminating the array with an energy source to excite the fluorescent labels; and
detecting fluoresced light with a CCD detector that is connected to a data storage system; and
determining which nucleic acids on the beads have bound to target nucleic acids.
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Specification