Team:Macquarie Australia/Protocols and Other Methods
From 2010.igem.org
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(Ligation Using 2x Rapid Ligation Buffer) </h1> | (Ligation Using 2x Rapid Ligation Buffer) </h1> |
Revision as of 09:32, 19 October 2010
Protocols and Other Methods Used
BioLine Isolate Genomic DNA Mini Kit:
- Pellet cell culture, decant, add 1mL CLS-TC
- Resuspend and transfer to Fastprep tube (BIO101)
- Fastprep 5.5g for 30 seconds, then spin @ 14,000 rpm for 5 minutes
- Recover 700uL then 700uL Binding Matrix
- Rotate for 5 minutes then spin for 1 minute
- Decant the supernatant and add 800uL SEWS then vortex
- Rotate for 5 minutes then spin for 1 minute
- Decant the supernatant then pulse spin and remove the last bit of ethanol
- Air dry for 5 minutes then resuspend in 200uL TE buffer
- Spin at 14,000 rpm for 3 minutes and recover 160uL
Promega Wizard® Plus SV Minipreps DNA Purification System:
- Centrifuge bacterial culture at 12,000 rpm for 5 minutes, pour off the supernatant and blot the inverted tube on a paper towel to remove excess media
- Add 250uL of Cell Resuspension Solution and completely resuspend the pellet by pippetting
- Add 250uL of Cell Lysis Solution and mix by inverting tube 4 times, incubate for no more than 5 minutes
- Add 10uL Alkaline Protease Solution and mix by inverting tube 4 times, incubate at room temperature for no more than 5 minutes
- Add 350uL of Neutralization Solution and immediately mix by inverting the tube 4 times
- Centrifuge the bacterial lysate at 14,000 rpm in a microcentrifuge for 10 minutes at room temperature
- Transfer cleared lysate to Spin Column by decanting without disturbing precipitate
- Centrifuge the supernatant at 14,000 rpm for 1 minute at room temperature, discard flowthrough
- Add 750uL of Column Wash Solution (diluted with 95% ethanol), to Spin Column
- Centrifuge at 14,000 rpm for 1 minute at room temperature, discard flow through
- Add 250uL of Column Wash Solution
- Centrifuge at 14,000 rpm for 2 minutes at room temperature
- Transfer the Spin Column to a new tube
- Elute the plasmid DNA by adding 100uL of Nuclease Free Water to the Spin Column
- Centrifuge at 14,000 rpm for 1 minute at room temperature
- Add 11uL 10x TE buffer for DNA storage at 4C
50uL of ssH20 added instead of 100uL for elution step
Promega pGEM®-T Easy Vector System:
(Ligation Using 2x Rapid Ligation Buffer)
- Briefly centrifuge the pGEM®-T Easy Vector and Control Insert DNA tubes to collect contents at the bottom of the tube. Calculate the amount of insert DNA required to give a 1:3 ratio of vector to insert
- Set up ligation reactions as described below. Vortex the 2x Rapid Ligation Buffer vigorously before each use. Use 0.5mL tubes known to have low DNA-binding capacity.