TOPO cloning

 

Rxn #

1

2

3

4

5

6

7

8

9

10

11

12

PCR product

2

2

2

2

2

2

2

2

2

2

2

2

PCR TOPO vector

1

1

1

1

1

1

1

1

1

1

1

1

Salt solution

1

1

1

1

1

1

1

1

1

1

1

1

Up to 5 ul with water

1

1

1

1

1

1

1

1

1

1

1

1

 

Use 1 ul vector per rxn.  PCR product may vary between 0.5 and 2 ul.

Incubate 5’ at RT.

Ice.

Add 2 ul 0.5 M BME to cells.

Add 2 ul lig rxn to cells.

Ice 30’.

42ø 30”.

Ice 2’.

Add 250 ul RT SOC.

Shake 30’ at 37ø for amp resistant strains.

Spread 100 ul on amp/X-gal plate.

 

Amp 50 ug/ml final.

X-gal 40 ug/ml final.