Team:Warsaw/Calendar-Main/7 July 2008

From 2008.igem.org

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<h3>Cloning omega-A fusion on pKS (second attempt)</h3>
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<h4>Michał L., Ewa, Marcin:</h4>
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<p>We have just received corrected version of omegaP-link10-homo2 primer. Let's hope this time everything will be fine. We are repeating the PCRs:</p><br/>
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<table id="result">
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<tr ><th colspan="4"><a href="https://2008.igem.org/wiki/index.php?title=Wiki/Team:Warsaw/protocols#pcr">PCR</a></td></tr>
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<tr><th>Product</th><th>Template</th><th>Primers</th><th>Product length</th></tr>
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<tr><th>linker-A</th><td>pDRIVE-TapTag</td><td><a href="https://2008.igem.org/Wiki/Team:Warsaw/primers#AL+link10+homo2">AL+link10+homo2</a> and <a href="https://2008.igem.org/Wiki/Team:Warsaw/primers#AP+NotI">AP+NotI</a> </td><td>470 bp</td></tr>
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<tr><th>omega-linker</th><td>pUC19</td><td><a href="https://2008.igem.org/Wiki/Team:Warsaw/primers#OmegaL+SacI">OmegaL+SacI</a> and <a href="https://2008.igem.org/Wiki/Team:Warsaw/primers#OmegaP+link10+homo2">OmegaP+link10+homo2</a></td><td>400 bp</td></tr>
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</table>
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<h4 style="test-align: center">PCR program for linker-A and omega-linker</h4>
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<table id="result">
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<tr><th>Temperature</th><th>Time</th></tr>
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<tr><td>94&deg;C</td><td>4:00</td></tr>
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<tr><td>94&deg;C</td><td>0:30</td><td rowspan="3">28 cycles</td></tr>
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<tr><td>gradient 48-55&deg;C</td><td>0:45</td></tr>
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<tr><td>72&deg;C</td><td>0:50</td></tr>
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<tr><td>72&deg;C</td><td>10:00</td></tr>
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<tr><td>4&deg;C</td><td>infinite</td></tr>
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</table>
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</html>
<h3>Preparation of construct pKS with A protein<br>
<h3>Preparation of construct pKS with A protein<br>
Michał L., Marcin:</h3>
Michał L., Marcin:</h3>

Revision as of 14:11, 11 October 2008

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Preparation of constructs with OmpA protein fusions
Piotr:

  1. Digest of confirmed clones of pET15b+OmpA_alpha and pET15b+OmpA_omega with NdeI and BamHI.
  2. Digest of pACYC177 plasmid with NdeI and BamHI, dephosphorylation with CIAP.
  3. Gel electrophoresis of digested plasmids and gel-out of proper bands.
  4. Electrophoresis of gel-out products.
  5. Overnight ligation of pACYC177 and OmpA_alpha.
  6. Overnight ligation of pACYC177 and OmpA_omega.

Cloning omega-A fusion on pKS (second attempt)

Michał L., Ewa, Marcin:

We have just received corrected version of omegaP-link10-homo2 primer. Let's hope this time everything will be fine. We are repeating the PCRs:


PCR
ProductTemplatePrimersProduct length
linker-ApDRIVE-TapTagAL+link10+homo2 and AP+NotI 470 bp
omega-linkerpUC19OmegaL+SacI and OmegaP+link10+homo2400 bp

PCR program for linker-A and omega-linker

TemperatureTime
94°C4:00
94°C0:3028 cycles
gradient 48-55°C0:45
72°C0:50
72°C10:00
4°Cinfinite

Preparation of construct pKS with A protein
Michał L., Marcin:

  1. Gradient PCR (achieving multiple copies of gene coding A protein):
    template DNA pDRIVE-TAPtag - 1 µl
    primer <a href="https://2008.igem.org/Wiki/Team:Warsaw/primers#AP+NotI_N">AP+NotI_N</a></html> - 2 µl
    primer AL+SacI_N - 2 µl
    Pfu buffer with Mg2+ - 5 µl
    10 mM dNTPs - 1 µl
    Pfu Turbo polymerase - 0.5 µl
    H2O - 38.5 µl

    Program:
    1. 94°C, 3 min
    2. 94°C, 30 sec
    3. 62 to 74°C, 45 sec
    4. 72°C, 45 sec
    5. Repeat of elongation step 25X
    6. 72°C, 10 min
    7. Hold at 4 °C
  2. Gel electrophoresis of PCR product.
  3. Isolation of proper band (470 bp) from the gel.
  4. Overnight digest of isolated PCR product and pKS vector with NotI and SacI; to the reaction mix with pKS added 0.5 µl of CIAP.