Cloning
–
Invitrogen
TOPO-TA
kit
Ligation
1. Add to the reaction mixture:
4 µl Fresh PCR product
1 µl Salt Solution
1 µl TOPO vector
2. Incubate at room temperature for 5 minutes
3. Store on ice until needed, or overnight at 4°C for maximum number of transformants
Transformation
1. Get cells out of freezer, thaw on ice for 5 minutes
2. Add 2 µl of ligation mixture
3. Incubate on ice for 5 minutes
4. Heat-shock the cells for 30 seconds at 42°C
5. Immediately put the cells on ice
6. Add 250 µl of SOC recovery media
7. Shake at 37°C for 1 hour
8. Spread 50 µl on LB plates with X-gal and ampicillin
9. Incubate plates overnight at 37°C and you should get colonies
10. Proceed to colony PCR to verify your results
Materials necessary
LB
+ amp + iptg + X-gal plates
10 µl pipette tips
1000 µl pipette tips
1.5 ml microcentrifuge tube
Ice
Equipment necessary
37° C shaking incubator
37° C incubator
10 µl micropipette
1000 µl micropipette
42° C heat block