McClean:Annealing Oligos

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Contents

Overview

This is a protocol for annealing oligos for yeast transformation.

Materials

  • Forward Oligo
  • Reverse Oligo
  • 10X Annealing Buffer
  • 1X TE buffer


Stock Solutions

10X annealing buffer

  • Recipe for 4ml, add
                     400ul 1M Tris pH 8
                     80ul 0.5M EDTA pH8
                     800ul 2.5M NaCl
                     2720ul Water


Protocol

  1. Resuspend oligos to a stock concentration of 100uM in 1X TE buffer. Store oligo stocks at -20oC when not using.
  2. To a PCR tube, add 5 ul of the proper Top and Bottom strand oligos (reverse complements for each other) and 5 ul of 10X Annealing Buffer and then 35ul water,mix well and briefly spin down . The final concentration of each oligo is now 10 uM.
  3. Incubate the PCR tube in the thermocycler with the program at 95 degree for 3 minutes, then -1 degree every cycle for 60 cycles, at 25 degree for 5 minutes then end.
  4. Use 3ul of the annealed product for yeast transformation.


Notes

Please feel free to post comments, questions, or improvements to this protocol. Happy to have your input!

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