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Team:Cambridge/Protocols/Gibson Assembly
From 2011.igem.org
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Gibson Assembly
Theory
Gibson Assembly as a scar free method of DNA recombination that is highly efficient and readily copes with combination of multiple DNA fragments at once.
Practice
Master Mix for Gibson Assembly
| Reagent | Volume (µl) |
|---|---|
| Taq ligase (40u/µl) | 50 |
| 5x isothermal buffer | 100 |
| T5 exonuclease (1u/µl) | 2 |
| Phusion polymerase (2u/µl) | 6.25 |
| Nuclease-free water | 216.75 |
| Total | 375 |
Master Mix is 1.33x concentrated
DNA and Gibson Master Mix should be combined with a volumetric ration of 1:3 in a PCR tube. The total volume can be 20-50µl.
Set thermocycler containing the PCR tubes to 50 degrees C for 1 hour.
Safety
No bacteria are used during the reaction there is therefore little or no biological hazard. Nevertheless, it is important to observe correct laboratory procedure and wear appropriate clothing and gloves. PCR occurs at high temperature, and this may present a risk, depending on the PCR machine employed.
