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Gibson Assembly

By René Davis, 2012


The Gibson Assembly method allows you to assemble multiple DNA parts in just 2 steps.
In the first step, 20 basepair overlaps are added to the sequences to be assembled:

Gibson Assembly step 1

In the second step, the PCR products are added to the Gibson Assembly Mix:

Gibson Assembly step 2


Designing primers:

Gibson Assembly primers

For a 50 μL PCR reaction:

  • 35 μL H2O
  • 5 μL 10X PCR buffer
  • 5 μL 2mM dNTPs (each)
  • 1.5 μL 50mM MgCl2
  • 1 μL 50μM sense primer
  • 1 μL 50μM antisense primer
  • 1 μL 5nM DNA template
  • 0.5 μL TAQ DNA polyermerase


  1. In a PCR tube, mix the components on ice in the order they are listed above.
  2. Perform thermocycling program
    1. 95 °C 5 min
    2. 95 °C 30 s
    3. TH 30 s
    4. 72 °C 1 min for each 1 kb PCR product
    5. Repeat steps 2-4 a total of 12-36 times (24 is standard).
    6. 72 °C 5 min
    7. 12 °C hold


Please feel free to post comments, questions, or improvements to this protocol. Happy to have your input!

  1. List troubleshooting tips here.
  2. You can also link to FAQs/tips provided by other sources such as the manufacturer or other websites.
  3. Anecdotal observations that might be of use to others can also be posted here.

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Relevant papers and books

  1. Gibson, DG, Young L, Chuang RY, Venter JC, Hutchison CA, Smith HO (2009) - Nature Methods 6(5) 343-5 PMID 19363495


  • René at rene.davis at asu dot edu

or instead, discuss this protocol.