Transformation of Bacteria: Difference between revisions

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updated transformation protocol
 
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==Materials==
==Materials==
*Competent Cells
*Competent Cells
*Plasmid amplification use subcloning efficiency DH5a
*SOC Buffer or LB Media
*Cloning use OneShot TOP10 (Pink)
*Mutagenesis use XL1 Blue Supercompetent (Blue), comes in 50uL aliquots
*SOC Buffer
*DNA of interest (1 uL for plasmid, 5 uL for cloning/mutagenesis)
*DNA of interest (1 uL for plasmid, 5 uL for cloning/mutagenesis)
*Plates (Amp or Kan; in cold room)
*Plates (Amp or Kan; in cold room, see [[ Making LB Agar Plates ]])


==Protocol==
==Protocol==
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#Heat shock at 42C for 45s
#Heat shock at 42C for 45s
#Place back on ice
#Place back on ice
#Add 450 uL of SOC Buffer or LB on shelf OR add 1000uL and adjust the level.
#Add 450 uL of SOC Buffer or LB.
#Incubate at 37C for 1h with occasional mixing
#Incubate at 37C for 1h with occasional mixing
#Plate 30-50 uL for amplification, or all for cloning/mutagenesis
#Plate 30-50 uL for amplification, or all for cloning/mutagenesis
*When plating be sure to label plates and use extreme caution when sterilizing the spreader with EtOH and fire.
*When plating be sure to label plates and use extreme caution when sterilizing the spreader with EtOH and fire.