摘要:
Methods and devices relate to the isolation of nucleic acids of interest from within a population of nucleic acids such as libraries of nucleic acid sequences.
摘要:
Methods and apparatus of some aspects of the invention relate to the synthesis of high fidelity polynucleotides. In particular, aspects of the invention relate to concurrent enzymatic removal of amplification sequences and ligation of processed oligonucleotides into nucleic acid assemblies. According to some embodiments, the invention provides a method for producing a target nucleic acid having a predefined sequence. In some embodiments, the method comprises the step of providing a plurality of oligonucleotides, wherein each oligonucleotides comprises (i) an internal sequence identical to a different portion of a sequence of a target nucleic acid, (ii) a 5' sequence flanking the 5' end of the internal sequence and a 3' flanking sequence flanking the 3' end of the internal sequence, each of the flanking sequence comprising a primer recognition site for a primer pair and a restriction enzyme recognition site.
摘要:
The invention relates to a process for assembling a polynucleotide from a plurality of oligonucleotides comprising: (a) synthesizing or spotting a plurality of different oligonucleotides on a microarray device or bead device having a solid or porous surface, wherein the plurality of oligonucleotides are attached to the solid or porous surface, and wherein each oligonucleotide comprises a sequence region of from about 10 to about 50 bases that is the same or substantially the same as a sequence region of another oligonucleotide; (b) forming an oligonucleotide complementary to a first oligonucleotide by extending a first primer, wherein said primer is complementary to a portion of said first oligonucleotide; (c) is associating said complementary oligonucleotide from said first oligonucleotide and annealing said complementary oligonucleotide to another oligonucleotide comprising a sequence region that is the same or substantially the same as a sequence region of said first oligonucleotide; (d) repeating the primer extension cycles of step (c) to produce a full-length complementary polynucleotide; and (e) amplifying the assembled full length complementary polynucleotide to produce a full length polynucleotide in desired quantities.
摘要:
Aspects of the invention relate to methods, compositions and algorithms for designing and producing a target nucleic acid. The method can include: (1) providing a plurality of blunt-end double-stranded nucleic acid fragments having a restriction enzyme recognition sequence at both ends thereof; (2) producing via enzymatic digestion a plurality of cohesive-end double-stranded nucleic acid fragments each having two different and non-complementary overhangs; (3) ligating the plurality of cohesive-end double-stranded nucleic acid fragments with a ligase; and (4) forming a linear arrangement of the plurality of cohesive-end double-stranded nucleic acid fragments, wherein the unique arrangement comprises the target nucleic acid. In certain embodiments, the plurality of blunt-end double-stranded nucleic acid fragments can be provided by: releasing a plurality of oligonucleotides synthesized on a solid support; and synthesizing complementary strands of the plurality of oligonucleotides using a polymerase based reaction.
摘要:
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.