Haynes Lab:Notebook/CRISPR Editing/2014/07/09

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07/09/2014

Had about the same number of colonies on each of the ligation plates as the backbone. Will try the ligation following the Zhang lab protocol.

Will run through the protocol with pX330 and three gRNAs, g5, g13, g14

Annealing the oligos

oligo 1 (100μM) 1
oligo 2 (100μM) 1
10X T4 Ligation Buffer (NEB) 1
ddH2O 6.5
T4 PNK (NEB) 0.5


  • 37°C 30 min
  • 95°C 5 min
  • ramp down to 25°C at 5°C/min



Ligation reaction

pX330 (185ng/ul) 0.540540541
1:250 annealed oligos 2
10X Fast Digest buffer 2
10mM DTT 1
10mM ATP 1
BbsI 1
T7 DNA ligase 0.5
water 11.95945946


Thermocycler

  • 37°C 5 min
  • 23°C 5 min
    • Cycle the previous two steps for 6 cycles (total run time 1h)
  • 4°C hold until ready to proceed



Long transformation, 75ul cells


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