SOUTHERN PROBE DNA PREPARATION

 

 

IRS-1

            1.         Grow up bacteria (use amp LB) from glycerol stocks

            2.         Use a Qiagen prep to purify the DNA

            3.         Digest plasmid DNA as follows:

                        25 ml DNA

                        2.5 ml Xba1

                        2.5 ml BamH1

                        3.0 ml Buffer 4

                        0.5 ml BSA

            4.         Digest for 2 hours at 37ºC

            5.         Run digest on a 2% low-melt gel

            6.         Excise the 300 b.p. band

            7.         Use Mermaid kit to clean (use ~ 10 ml GlassFOG)

            8.         Re-suspend in ~20 ml of sterile water

 

IRS-2

            1.         Prepare PCR reaction:

                        5 ml buffer

                        1 ml dNTP mix

                        2 ml 3’ primer (with green tape)

                        2 ml 5’ primer (with green tape)

                        0.5 ml Taq

                        2 ml IRS-2 probe DNA

                        37.5 ml sterile water

            2.         PCR profile:

                        94ºC for 5 minutes

                        94ºC for 1 minute

                        60ºC for 1 minute                                  30 cycles

                        72ºC for 1 minute

                        72ºC for 10 minutes

                        4ºC for 1 hour

            3.        

 

STF

            1.         Grow up bacteria and purify DNA via Qiagen prep

            2.         Digest as follows:

                        2.5 ml Xba1

                        2.5 ml EcoR1

                        5 ml buffer 2

                        0.5 ml BSA

                        25 ml DNA

            3.         Run digest on 2% low-melt gel.

            4.         Excise which band?

            5.         Purify with GeneClean or Mermaid kit?

 

 

IGF

            1.         Digest plasmid with BamH1 and HincII

            2.         Excise 460 b.p. band

 

 

IMM

            1.         Plasmid is RSVTEK

            2.         Digest as follows:

                        30 ml DNA

                        10 ml Pst1

                        10 ml buffer 3

                        50 ml sterile water

            3.         Digest at 37ºC for 2 hours

            4.         Run on 2% low-melt gel

            5.         Excise 1.6 kb band