Protocols
- Streak a large patch of Bacillus subtilis cells onto an LB agar plate (2.5% LB and 1% agar)
- Incubate at 37 deg C overnight
- Scrape cell’s off the patch into 10 ml of freshly made SpC medium (for contents of SpC medium see below) till OD of tube becomes approximately 0.5
- Incubate at 37 deg C and 220 rpm for 5 hours
- Inoculate 200ul of this culture into 10 ml of freshly prepared SpII medium (for contents of SpII medium see below)
- Incubate at 37 deg C and 170 rpm for 90 min
- Pellet cells in 1.5 ml microcentrifuge tubes. Decent and store supernatant
- Resuspend pellets in 200ul of supernatant
- Add 15ul of plasmid (pBS1C backbone)
- Incubate at 37 deg C
- Plate on LB agar plates (2.5% LB and 1% agar) containing chloramphenicol (25 ug/ml)
- Incubate overnight at 37 deg C to grow colonies
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