- Pellet 1 mL bacterial overnight culture 5 times ( using a 1.5 mL centrifuge tube) by centrifugation at max speed (13000 rpm) for 60 secs room temperature (15 - 25)
- Resuspend pellet in 250 µL Buffer P1
- Add 250 µLBuffer P2 and mix thoroughly by inverting the tube 4-6 times until solution becomes clear
- Do not allow reaction to proceed for more than 5 mins
- If using Lyse Blue, reagent, solution will turn blue
- Add 350 µL Buffer N3 and mix immediately and thoroughly by inverting the tube 4-6 times
- Centrifuge for 10 mins at 13000 rpm
- Apply 800 µLsupernatant from step 5 to Q1A prep 2.0 spin column by pipetting
- Centrifuge for 60 secs and discard flow through
- Wash the Q1A prep column with 750 µL Buffer PE
- Centrifuge for 60 secs and discard flow through
- Centrifuge for 60 secs to remove residual wash buffer
- To elute DNA, add 50 µL DDH2O to the center of Q1A prep column
