PCR Nested PCR Protocol

Nested PCR Protocol Conditions

 

For 50 ul reactions, the amounts given are per reaction. Make sure you make an extra reaction for every 6 reactions to have enough master mix.

External Round of PCR

Master Mix


dNTP mix (2mM each dNTP)

5 µl

10x PCR buffer (15mM MgCl2)

5 µl

Taq polymerase (0.2U)

0.2 µl

dH2O

25.8 µl

Primer mix. Forward  and Reverse primers. (5 pmoles/µl each)

4 µl

Total Mastermix Volume:

40 µl



DNA Template

10 µl

Internal Round of PCR

Nested PCR Master Mix


dNTP mix (2mM each dNTP)

5 µl

10x PCR buffer (15mM MgCl2)

5 µl

Taq polymerase (0.2U)

0.2 µl

dH2O

35.8 µl

Primer mix. Forward  and Reverse primers. (5 pmoles/µl each)

4 µl

Total Mastermix Volume:

49 µl



DNA Template (Sample from external round PCR product)

1 µl

PCR Machine Cycling Parameters
For Both External and Internal PCR Rounds

1 cycle:

94ºC/30 sec.

35 cycles:

94ºC/30 sec.
55ºC/30 sec.
72ºC/30 sec. to 120 sec.

Hold:

4ºC