Method for making polynucleotides having desired characteristics
First Claim
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1. A method of making a recombinant nucleic acid, the method comprising:
- providing a plurality of parental character strings corresponding to a plurality of nucleic acids, which character strings, when aligned for maximum identity, comprise at least one region of heterology;
aligning the character strings;
defining a set of character string subsequences, which set of subsequences comprises subsequences of at least two of the plurality of parental character strings;
providing a set of oligonucleotides corresponding to the set of character string subsequences;
annealing members of the set of oligonucleotides with one another in vitro;
after annealing, elongating one or more members of the set of oligonucleotides with a polymerase, or ligating at least two members of the set of oligonucleotides with a ligase, thereby producing one or more recombinant nucleic acid;
selecting the recombinant nucleic acid, or a polypeptide encoded by the recombinant nucleic acid for a desired trait or property, thereby providing a selected recombinant nucleic acid; and
recombining the selected recombinant nucleic acid with one or more of (i) a nucleic acid homologous to a parental character string, and (ii) an oligonucleotide member from the set of oligonucleotides.
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Abstract
In silico nucleic acid recombination methods, related integrated systems utilizing genetic operators and libraries made by in silico shuffling methods are provided.
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Citations
37 Claims
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1. A method of making a recombinant nucleic acid, the method comprising:
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providing a plurality of parental character strings corresponding to a plurality of nucleic acids, which character strings, when aligned for maximum identity, comprise at least one region of heterology; aligning the character strings; defining a set of character string subsequences, which set of subsequences comprises subsequences of at least two of the plurality of parental character strings; providing a set of oligonucleotides corresponding to the set of character string subsequences; annealing members of the set of oligonucleotides with one another in vitro; after annealing, elongating one or more members of the set of oligonucleotides with a polymerase, or ligating at least two members of the set of oligonucleotides with a ligase, thereby producing one or more recombinant nucleic acid; selecting the recombinant nucleic acid, or a polypeptide encoded by the recombinant nucleic acid for a desired trait or property, thereby providing a selected recombinant nucleic acid; and recombining the selected recombinant nucleic acid with one or more of (i) a nucleic acid homologous to a parental character string, and (ii) an oligonucleotide member from the set of oligonucleotides. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37)
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Specification