Team:Glasgow/Notebook/Protocols

From 2014.igem.org

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This page shows our protocols for various lab procedures.
This page shows our protocols for various lab procedures.
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<p id="CreatingCompetentCells">
<p id="CreatingCompetentCells">
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<p id="TransformationOfCompetentCells">
<p id="TransformationOfCompetentCells">
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<h2>Transformation of Competent Cells</h2>
<ol>
<ol>
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<p id="DNACleanUp">
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<p id="PCR"></p>
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<h2>DNA Clean-up</h2>
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<p id="GelExtraction"></p>
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<p id="AnnealingOligos"></p>
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<ol>
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<p id="Ligation"></p>
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<li>Transfer supernatant to a mini-column</li>
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<p id="OligosPurification"></p>
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<li>Spin for 1 min on full and pour out flowthrough</li>
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<p id="MutagenicPCR"></p>
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<li>Add 500μl of PB, spin for 1 min and discard flowthrough</li>
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<p id="IntegraseReaction"></p>
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<li>Add 800μl of PE, spin for 1 min and discard flowthrough</li>
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<p id="Ligations"></p>
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<li>Spin again and discard flowthrough.</li>
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<p id="DryingDNA"></p>
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<li>Add 50μl of EB to the centre of the white disc and stand for 1 min.</li>
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<p id="DNAMiniPrep"></p>
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<li>Move column to a 1.5ml Eppendorf (leaving behind the collection tube) and spin for 1 min.</li>
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<p id="Ecoli"></p>
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<li>Keep supernatant. DNA is in the liquid.</li>
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<p id="PCR">
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<h2>PCR</h2>
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50μl reaction volume –
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• 10μl 5 x HF Buffer
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• 5μl 5mM dNTPs
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• 1μl 50mM MgCl2
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• 1.5μl DMSO
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• 5μl 5μM F primer
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• 5μl 5μM  R Primer
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• 22μl ddH2O
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• 1μl (1/100 dilution) template DNA
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• 0.5μl polymerase
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<ul>
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<li>10μl 5 x HF Buffer</li>
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<p id="RestrictionDigests">
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<h2></h2>
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<li></li>
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<h2></h2>
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<p id="AnnealingOligos">
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<h2></h2>
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<li></li>
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<p id="OligosPurification">
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<h2></h2>
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<li></li>
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</ol>
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<p id="MutagenicPCR">
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<h2></h2>
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<ol>
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<li></li>
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<p id="IntegraseReaction">
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<h2></h2>
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<ol>
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<li></li>
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<p id="Ligations">
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<h2></h2>
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<p id="DryingDNA">
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<h2></h2>
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<h2></h2>
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</p>

Revision as of 14:52, 15 October 2014

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Protocols

Edit This page shows our protocols for various lab procedures.

Creating Chemically Competent Cells

  1. Pipette 400μl of culture into 20ml of fresh broth
  2. Incubate the cultures in shaking 37⁰C water bath for 90 min
  3. Calcium chloride and centrifuge tubes must be cooled on ice.
  4. Pour culture into centrifuge tubes, return to ice.
  5. Centrifuge in a cold rotor for 2 min at 7000rpm (6000 G)
  6. Pour out the supernatant, being careful about the pellet
  7. Add 10μl of calcium chloride, immediately return to ice and leave for 1 hour (or longer)
  8. Repeat the centrifuge step, pour out supernatant
  9. Store on ice, add 1ml of calcium chloride. Resuspend and return to ice.

Transformation of Competent Cells

  1. Add 100μl of competent cells to cooled Eppendorfs
  2. Add 1μl of DNA
  3. Incubate on ice for 20 min
  4. Heat shock at 37⁰C for 5 min
  5. Place immediately on ice and leave for 5 min.
  6. Add 200μl of L-Broth and incubate at 37⁰C for 90 min. Expression step.
  7. Spread 100-200μl on full dried medias. On half plates use 40μl.
  8. Incubate plates

DNA Clean-up

  1. Transfer supernatant to a mini-column
  2. Spin for 1 min on full and pour out flowthrough
  3. Add 500μl of PB, spin for 1 min and discard flowthrough
  4. Add 800μl of PE, spin for 1 min and discard flowthrough
  5. Spin again and discard flowthrough.
  6. Add 50μl of EB to the centre of the white disc and stand for 1 min.
  7. Move column to a 1.5ml Eppendorf (leaving behind the collection tube) and spin for 1 min.
  8. Keep supernatant. DNA is in the liquid.

PCR

50μl reaction volume – • 10μl 5 x HF Buffer • 5μl 5mM dNTPs • 1μl 50mM MgCl2 • 1.5μl DMSO • 5μl 5μM F primer • 5μl 5μM R Primer • 22μl ddH2O • 1μl (1/100 dilution) template DNA • 0.5μl polymerase
  • 10μl 5 x HF Buffer

Retrieved from "http://2014.igem.org/Team:Glasgow/Notebook/Protocols"