Team:Evry/Protocols/02
From 2013.igem.org
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<h2> Goal </h2> | <h2> Goal </h2> | ||
- | <p>In this step, the heat shock (between -80°C up to 42°C) induces bacteria to be in state of competence. DNA from the environment (in | + | <p>In this step, the heat shock (between -80°C up to 42°C) induces bacteria to be in state of competence. DNA from the environment (in this case: plasmid) can then integrate the cell.</p> |
<h2> Preparation </h2> | <h2> Preparation </h2> |
Revision as of 09:17, 27 August 2013
Transformation
Goal
In this step, the heat shock (between -80°C up to 42°C) induces bacteria to be in state of competence. DNA from the environment (in this case: plasmid) can then integrate the cell.
Preparation
For 100 µL of chemical competent cells, add 1 µL of plasmidic DNA. If the ligation protocol is a
Golden Gate , add 5 µL instead.
Let 30 minutes on ice.
Let the cells at 42°C for exactly 50 seconds.
Let 5 minutes on ice.
Resuspend the cells with 1 mL of LB spread on a petri dish then let it at 37°C.
Controles
To check if the transformation have work, make a positive and a negative controle.
If the transformation have worked, colonies must have a red phenotype.
Without plasmid with antibiotic resistance, no colonies must grow.