Methods and devices for nucleic acid synthesis
First Claim
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1. A method for producing at least one target polynucleotide having a predefined sequence, the method comprising:
- a. providing at least a first and a second pluralities of support-bound, single-stranded, template oligonucleotides, wherein each of the first and second pluralities of template oligonucleotides has a predefined sequence and is bound to a first and second feature of one or more planar support, respectively, each of the first plurality of template oligonucleotides comprising a sequence region at its 5′
end complementary to a sequence region of a 5′
end of the second plurality of template oligonucleotides;
b. generating at least a first and a second pluralities of construction oligonucleotides complementary to the first and second pluralities of template oligonucleotides in a chain extension reaction, each of the first plurality of construction oligonucleotides comprising a sequence region at its 3′
end that is complementary to a sequence region of a 3′
end of the second plurality of construction oligonucleotides;
c. providing a plurality of support-bound, single-stranded, anchor oligonucleotides at a selected feature on a planar anchor support, wherein the 5′
end of each anchor oligonucleotide is complementary to the 5′
end of the first plurality of construction oligonucleotides; and
d. transferring the first plurality of construction oligonucleotides from the first feature to the selected feature on the planar anchor support, transferring the second plurality of construction oligonucleotides from the second feature to the selected feature on the planar anchor support, and hybridizing the at least first and second pluralities of construction oligonucleotides to the plurality of anchor oligonucleotides on the planar anchor support.
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Abstract
Methods and apparatus relate to the synthesis of polynucleotides having a predefined sequence on a support. Assembly methods include primer extension to generate overlapping construction oligonucleotides and assembly of the polynucleotides of interest onto an anchor support-bound oligonucleotides. Methods and apparatus for selection of polynucleotides having the predefined sequence and/or length are disclosed.
83 Citations
48 Claims
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1. A method for producing at least one target polynucleotide having a predefined sequence, the method comprising:
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a. providing at least a first and a second pluralities of support-bound, single-stranded, template oligonucleotides, wherein each of the first and second pluralities of template oligonucleotides has a predefined sequence and is bound to a first and second feature of one or more planar support, respectively, each of the first plurality of template oligonucleotides comprising a sequence region at its 5′
end complementary to a sequence region of a 5′
end of the second plurality of template oligonucleotides;b. generating at least a first and a second pluralities of construction oligonucleotides complementary to the first and second pluralities of template oligonucleotides in a chain extension reaction, each of the first plurality of construction oligonucleotides comprising a sequence region at its 3′
end that is complementary to a sequence region of a 3′
end of the second plurality of construction oligonucleotides;c. providing a plurality of support-bound, single-stranded, anchor oligonucleotides at a selected feature on a planar anchor support, wherein the 5′
end of each anchor oligonucleotide is complementary to the 5′
end of the first plurality of construction oligonucleotides; andd. transferring the first plurality of construction oligonucleotides from the first feature to the selected feature on the planar anchor support, transferring the second plurality of construction oligonucleotides from the second feature to the selected feature on the planar anchor support, and hybridizing the at least first and second pluralities of construction oligonucleotides to the plurality of anchor oligonucleotides on the planar anchor support. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18)
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19. A method for producing a plurality of target polynucleotides each having a predefined sequence, the method comprising:
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(a). providing a first planar support having a plurality of first features and a second planar support having a plurality of second features, wherein each first or second feature comprises a plurality of different support-bound, template oligonucleotides; (b). generating a first and second pluralities of construction oligonucleotides using the template oligonucleotides as templates in a chain extension reaction, the first and second pluralities of construction oligonucleotides having sequence complementarity to each other at their 3′
end;(c). providing a planar anchor support comprising a plurality of features, wherein each feature comprises a plurality of support-bound, single-stranded, anchor oligonucleotides, wherein the 5′
end of each of the plurality of the anchor oligonucleotides is complementary to the 5′
end of the first plurality of construction oligonucleotides;(d). transferring the first plurality of construction oligonucleotides to preselected features on the planar anchor support, and hybridizing the first plurality of construction oligonucleotides to the anchor oligonucleotides, wherein the preselected features correspond to the first features on the first planar support; and (e). transferring the second plurality of construction oligonucleotides to the preselected features on the planar anchor support, and hybridizing the second plurality of construction oligonucleotides to the first plurality of construction oligonucleotides, wherein the preselected features correspond to the second features on the second planar support. - View Dependent Claims (20, 21, 22)
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23. A method for synthesizing a plurality of target polynucleotides each having a predefined sequence, the method comprising:
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(a). providing a first planar support comprising a plurality of first features, wherein each first feature comprises a support-bound, single-stranded, anchor oligonucleotide having a 5′
end complementary to the 5′
end of one of a first plurality of construction oligonucleotides;(b). providing a second planar support having a plurality of second features, wherein each second feature comprises a single-stranded, support-bound, template oligonucleotide, for serving as template for synthesizing one of the first plurality of construction oligonucleotides in a polymerase based chain extension reaction; (c). generating the first plurality of construction oligonucleotides by polymerase based chain extension from the template oligonucleotides; (d). positioning the first planar support and the second planar support such that each second feature of the second planar support is aligned to a corresponding first feature of the first planar support; (e). releasing the first plurality of construction oligonucleotides from each second feature of the second planar support in a solution and hybridizing the first plurality of construction oligonucleotides to the anchor oligonucleotides on the corresponding first feature of the first planar support; (f). generating a second plurality of construction oligonucleotides using a third planar support comprising a second template oligonucleotide on each feature that serves as template for synthesizing the second plurality of construction oligonucleotides, wherein the second plurality of construction oligonucleotides each have a 3′
end that is complementary to the 3′
end of one of the first plurality of construction oligonucleotides, positioning the third planar support and the first planar support such that each feature of the third planar support is aligned to a corresponding first feature of the first planar support, releasing the second plurality of construction oligonucleotides from the third planar support, and hybridizing the second plurality of construction oligonucleotides to the first plurality of construction oligonucleotides on said corresponding first feature of the first planar support;(g). performing step (f) by one or more times to produce N pluralities of construction oligonucleotides hybridized on the first planar support, wherein N is no less than 2; and (h). assembling the N pluralities of construction oligonucleotides, thereby generating the plurality of target polynucleotides. - View Dependent Claims (24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48)
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Specification