Team:DTU-Denmark/Methods/USER Cloning and Transformation
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Revision as of 13:14, 6 September 2013
USER Cloning and Transformation
Materials
PCR product(s) 10X diluted BSA NEB buffer 4 USER enzyme 1 PCR tube/reaction 1 Eppendorf tube/reaction 100 uL competent E.coli/reaction 1 LB-AMP plate/reaction Drigalsky's spatchula or sterile glass beads Milli-Q water 96% Ethanol Gas Burner
Procedure
- Label 1,5 mL Eppendorf tubes and place in freezer, remove LB-Amp plates from fridge and place at room temperature.
- Mix the USERTM cloning reaction in PCR tube(s).
NOTE! You may also make a control reaction, where you mix all USERTM cloning components and the backbone PCR product holding the resistance marker, but adding Milli-Q water instead of the rest of the PCR products!
Components USER mix | x1 reaction |
---|---|
USER enzyme | 1 uL |
NEB buffer 4 | 0.5 uL |
10x BSA | 0.5 uL |
Backbone | 1 uL |
Components | Negative control | 1 fragment | 2 fragments | 3 fragments | 4 fragments | 5 fragments |
---|---|---|---|---|---|---|
USER mix | 3 uL | 3 uL | 3 uL | 3 uL | 3 uL | 3 uL |
MQ H2O | 7 uL | - | - | - | - | - |
PCR product A | - | 7 uL | 3.5 uL | 2.33 uL | 1.75 uL | 1.4 uL |
PCR product B | - | - | 3.5 uL | 2.33 uL | 1.75 uL | 1.4 uL |
PCR product C | - | - | - | 2.33 uL | 1.75 uL | 1.4 uL |
PCR product D | - | - | - | - | 1.75 uL | 1.4 uL |
PCR product E | - | - | - | - | - | 1.4 uL |
- Incubate 40 minutes at 37C degrees, then 30 minutes at 25C degrees. Use old PCR machine.
- While incubating prepare for E.coli transformation