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Wet lab work was carried out from 4 August to 19 September, Mondays to Fridays. Please click on a day to see the lab notebook.

Wednesday 6th August

Analyses of results from Monday’s transformation showed no colony growth except for the positive control. We decided to try another transformation into TOP10 E. coli using different spots from the registry. This time we used 1018 7A and 1004 6G.

We noticed that Cambridge, who had also been having problems, had adapted the extraction method. So we tried their improved method, with a couple of minor differences:

1) Warm 50μl of H20 in an Eppendorf tube at 50˚C

2) Add 4 punched-out spots from the registry

3) Keep at 50˚C for 20 minutes

4) Centrifuge at 13,300g for 3 minutes

5) Warm for a further 10 minutes at 50˚C

6) Centrifuge at 13,300g for 3 minutes

7) Pipette out the supernatant which should (hopefully!) contain the DNA