IGEM:Cambridge/2008/Notebook/Voltage/2008/08/12

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KDP

 * Again try ligation of Kdp and Vector backbone

OsmY

 * Again try ligation of OsmY and B0030 backbone
 * This time try using Xba for B0030 and ligate. Gel again and cut out linear fragment. Cut with Spe and gel - cut out circular fragment.

Make competent stocks
Chemically competent TOP10 cells were made by growing overnight in 200ml LB in a shaking incubater at 37°C. 200ml were spun down at 3800rpm for 8 mins, resuspended in 20ml CaCl2, spun down again and resuspended in 4ml CaCl2. Again they were spun down (6500 rpm for 5 mins)and resuspended in 4ml 60%glycerol, spun down and resuspended in 2ml 60%glycerol. Finally they were aliquoted (100μL) into stock tubes and flash frozen in liquid nitrogen.

Electroporation competent TOP10 and DH5α cells were made by growing overnight in 200ml LB in a shaking incubater at 37°C. 100ml were spun down at 3800rpm for 8 mins, resuspended in 25ml SDW, spun down again and resuspended in 2ml SDW. Again they were spun down (6500 rpm for 5 mins)and resuspended in 2ml 60%glycerol, spun down and resuspended in 2ml 60%glycerol. Finally they were aliquoted (100μL) into stock tubes and flash frozen in liquid nitrogen. However lost half of the DH5α when centrifuge tube broke.


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