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    Error-prone PCR (Random Mutagenesis)

    NUS iGEM

    Published: 2023-10-09 DOI: 10.17504/protocols.io.rm7vzx57xgx1/v1
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    Abstract

    2023 NUS-Singapore iGEM Team followed this protocol to introduce random mutation in DNA fragments.

    Steps

    Error-prone PCR (Mutagenesis)

    1.

    Add the primers, the DNA template, and the following reagents from the into a PCR tube to make a 50µL PCR sample:

    AB
    10x Mutazyme II (10x Reaction Buffer)5μL
    40mM dNTP Mix1μL
    DI water41.5μL
    Each Primer (both forward & reverse)0.5μL
    Mutazyme II1μL
    DNA Template0.25μL
    2.

    Mix the solution well.

    3.

    Place the sample into the Thermal Cycler and set it with the following conditions:

    ABC
    Initial Denaturation95°C2 minutes
    Denaturation95°C1 minute
    Annealing55°C1 minute
    Extension72°C1 minute
    Go to step 2, repeat the cycle 44 times
    Extension72°C10 minutes
    Finish12°CInfinite Loop
    4.

    Upon finishing the PCR steps, add 10µL of DNA loading dye.

    5.

    Proceeds to the gel electrophoresis to isolate the gene fragment of interest.

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