Assembly of high fidelity polynucleotides
First Claim
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1. A method for producing a target polynucleotide, the method comprising:
- a) providing a first feature having a first bound oligonucleotide and a second feature having a second bound oligonucleotide, wherein the first and second features are addressable and located at predetermined locations of one or more support, wherein the first and second bound oligonucleotides are designed to have an overlapping sequence region;
b) synthesizing a first complementary oligonucleotide at the first feature using the first bound oligonucleotide as template;
c) transferring in droplet volume the first complementary oligonucleotide from the first feature to the second feature; and
d) producing a second complementary oligonucleotide using the second bound oligonucleotide as template.
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Abstract
Methods and apparatus relate to the synthesis of high fidelity polynucleotides and to the reduction of sequence errors generated during synthesis of nucleic acids on a solid support. Specifically, design of support-bound template oligonucleotides is disclosed. Assembly methods include cycles of annealing, stringent wash and extension of polynucleotides comprising a sequence region complementary to immobilized template oligonucleotides. The error free synthetic nucleic acids generated therefrom can be used for a variety of applications, including synthesis of biofuels and value-added pharmaceutical products.
316 Citations
28 Claims
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1. A method for producing a target polynucleotide, the method comprising:
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a) providing a first feature having a first bound oligonucleotide and a second feature having a second bound oligonucleotide, wherein the first and second features are addressable and located at predetermined locations of one or more support, wherein the first and second bound oligonucleotides are designed to have an overlapping sequence region; b) synthesizing a first complementary oligonucleotide at the first feature using the first bound oligonucleotide as template; c) transferring in droplet volume the first complementary oligonucleotide from the first feature to the second feature; and d) producing a second complementary oligonucleotide using the second bound oligonucleotide as template. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 23, 24)
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19. A method for producing a target polynucleotide, the method comprising:
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a. providing a first feature having a first template oligonucleotide bound thereto and a second feature having a second template oligonucleotide bound thereto, wherein the first and second features are addressable and located at predetermined locations of one or more support, wherein the first template oligonucleotide comprises sequence complementarity to the second template oligonucleotide; b. generating a first and a second construction oligonucleotides complementary to the first and second template oligonucleotides, respectively, in a chain extension reaction, wherein the first construction oligonucleotide comprises at sequence complementarity to the second construction oligonucleotide; c. providing an anchor oligonucleotide at an assembly feature, wherein the anchor oligonucleotide comprises sequence complementarity to the first construction oligonucleotide; d. transferring in droplet volume the first construction oligonucleotide from the first feature to the assembly feature, and transferring in droplet volume the second construction oligonucleotide from the second feature to the assembly feature; and e. hybridizing the first and second construction oligonucleotides to the anchor oligonucleotide. - View Dependent Claims (20, 21, 22)
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25. A method for producing a target polynucleotide, the method comprising:
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a) providing a solid support comprising an assembly feature having an anchor oligonucleotide immobilized thereon; b) hybridizing a first construction oligonucleotide with the anchor oligonucleotide, wherein the first construction oligonucleotide and the anchor oligonucleotide has sequence complementarity; and c) hybridizing a second construction oligonucleotide with the first construction oligonucleotide, wherein the first construction oligonucleotide and the second construction oligonucleotide has sequence complementarity; wherein the first construction oligonucleotide and the second construction oligonucleotide together form a target polynucleotide. - View Dependent Claims (26, 27, 28)
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Specification