Team:UIUC Illinois/Protocols

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table.tftable td {font-size:12px;border-width: 1px;padding: 8px;border-style: solid;border-color: #bcaf91;}
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      <pre style="font-size: 15px;">
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  <h1 style="margin-top:20px;margin-bottom:5px">Menu</h1>
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  <div class="leftside">
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    <ul>
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      <li><a onclick="showprot('#prot1')">Gel Electrophoresis</a></li>
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      <li><a onclick="showprot('#prot2')">PCR Set-Up</a></li>
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      <li><a onclick="showprot('#prot3')">Bacterial Transformation</a></li>
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      <li><a onclick="showprot('#prot4')">Endonuclease Digest</a></li>
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      <li><a onclick="showprot('#prot5')">CaCl2 Competence</a></li>
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      <li><a onclick="showprot('#prot6')">Genomic DNA Purification</a></li>
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      <li><a onclick="showprot('#prot7')">Resting Cell Assay</a></li>
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      <li><a onclick="showprot('#prot8')">Colony PCR</a></li>
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      <li><a onclick="showprot('#prot9')">Lactobacillus Transformation</a></li>
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    </ul>
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  </div>
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  <script type="text/javascript">
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    function showprot(pid){
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    <div id="prot1" class="protocolactive">
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      <a href="http://www.addgene.org/plasmid-protocols/gel-electrophoresis/"><h2> Gel Electrophoresis</h2></a>   
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    </div>
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        Put your content here. Try and format best as possible within the source code istelf.  
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    <div id="prot2" class="protocol">
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        Don't worry how the content formatting appears on the actual website for now.
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      <a href="https://www.neb.com/protocols/1/01/01/pcr-protocol-m0530"><h2> PCR Set-Up</h2></a>
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</div>
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<div id="prot3" class="protocol">
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      <a href="http://www.addgene.org/plasmid-protocols/bacterial-transformation/"><h2> Bacterial Transformation</h2></a> 
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    </div>
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<div id="prot4" class="protocol">
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      <a href="https://www.neb.com/protocols/2012/12/07/optimizing-restriction-endonuclease-reactions"><h2> Endonuclease Digest</h2></a>
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</div>
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<div id="prot5" class="protocol">
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      <a href="http://www.flemingtonlab.com/Protocols/CompCellsCaCl2Method.pdf"><h2> CaCl2 Competence</h2></a> 
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    </div>
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<div id="prot6" class="protocol">
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      <a href="http://www.promega.com/~/media/files/resources/protcards/wizard%20genomic%20dna%20purification%20kit%20quick%20protocol.pdf"><h2> Genomic DNA Purification</h2></a>
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</div>
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<div id="prot7" class="protocol">
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      <a href="http://pubs.acs.org/doi/pdf/10.1021/sb4000146"><h2> Resting Cell Assay</h2></a> 
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    </div>
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<div id="prot8" class="protocol">
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      <a href="http://www.csun.edu/~mls42367/Protocols/Colony%20PCR.pdf"><h2> Colony PCR</h2></a>
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</div>
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<div id="prot9" class="protocol">
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      <h2> Lactobacillus Transformation</h2>
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      <p>
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<ol>
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<li>Inoculate 100mL MRS with 1mL of an overnight culture and incubate at 37C until it reaches an OD600 = 0.5 – 0.8.<br>
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<p style="text-indent:30px;">a. Pre-warm the MRS for faster growth</p><br>
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<p style="text-indent:30px;">b. Take 3.5-5.5 hours to get to 0.5</p><br>
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<p style="text-indent:30px;">c. All liquid cultures can be done outside the anaerobic chamber; however, do not use a shaker</p><br>
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</li>
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<li>Centrifuge culture at 4000rpm for 10min at 4C and wash with cold 3.5X SMEB.  Centrifuge in 2, 50 ml conical tubes<br>
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<p style="text-indent:30px;">a. Resuspend each pellet in 20 ml 3.5X SMEB (40 ml total)</p><br>
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<p style="text-indent:30px;">b. Can combine into one tube if desired but use 40 ml per wash</p><br>
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</li>
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<li>Repeat step 2 at least twice for three total washes.</li><br>
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      </pre>
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<li>Resuspend cells in 1.0mL 3.5X SMEB (concentrate 100 fold).<br>
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<p style="text-indent:30px;">a. Mix well using a pipettor</p>
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</li><br>
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  </div>
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<li>Transfer 0.2mL cells to a microfuge tube and add DNA; mix and transfer to a cold 0.2cm cuvette.<br></li><br>
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</html>
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<li>Electroporate at 2.45kV, 25μFD, 200Ω.<br>
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<p style="text-indent:30px;">a. We now use an eppendorf electoporator that has only a voltage setting (we use 2.5 kV; typical time constant is ~3.3)</p>
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</li><br>
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<li>Transfer cells (gently) to 3.0mL MRS and incubate at 37C.<br>
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<p style="text-indent:30px;">a. ~16 hours is sufficient</p><br>
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<p style="text-indent:30px;">b. Does not need to be in anaerobic shaker but no shaking</p><br>
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<p style="text-indent:30px;">c. We use small culture tubes but you could use falcon tubes</p><br>
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</li>
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<li>Dilute cells accordingly and plate on MRS plus appropriate antibiotic.<br>
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<p style="text-indent:30px;">a. L. gasseri ATCC 33323 – 5.0 ug/ml erythromycin</p><br>
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<p style="text-indent:30px;">b. Make sure you plate a negative control</p><br>
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<p style="text-indent:30px;">c. I usually use add 40ml and 200ml on two plates each</p><br>
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</li>
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<li>Incubate 2-3 days in anaerobic chamber at 37C<br></li>
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</ol>
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  </p>   
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    </div>
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</div>
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</html>
{{:Team:UIUC_Illinois/Footer}}
{{:Team:UIUC_Illinois/Footer}}

Latest revision as of 03:51, 18 October 2014


Menu

Lactobacillus Transformation

  1. Inoculate 100mL MRS with 1mL of an overnight culture and incubate at 37C until it reaches an OD600 = 0.5 – 0.8.

    a. Pre-warm the MRS for faster growth


    b. Take 3.5-5.5 hours to get to 0.5


    c. All liquid cultures can be done outside the anaerobic chamber; however, do not use a shaker


  2. Centrifuge culture at 4000rpm for 10min at 4C and wash with cold 3.5X SMEB. Centrifuge in 2, 50 ml conical tubes

    a. Resuspend each pellet in 20 ml 3.5X SMEB (40 ml total)


    b. Can combine into one tube if desired but use 40 ml per wash


  3. Repeat step 2 at least twice for three total washes.

  4. Resuspend cells in 1.0mL 3.5X SMEB (concentrate 100 fold).

    a. Mix well using a pipettor


  5. Transfer 0.2mL cells to a microfuge tube and add DNA; mix and transfer to a cold 0.2cm cuvette.

  6. Electroporate at 2.45kV, 25μFD, 200Ω.

    a. We now use an eppendorf electoporator that has only a voltage setting (we use 2.5 kV; typical time constant is ~3.3)


  7. Transfer cells (gently) to 3.0mL MRS and incubate at 37C.

    a. ~16 hours is sufficient


    b. Does not need to be in anaerobic shaker but no shaking


    c. We use small culture tubes but you could use falcon tubes


  8. Dilute cells accordingly and plate on MRS plus appropriate antibiotic.

    a. L. gasseri ATCC 33323 – 5.0 ug/ml erythromycin


    b. Make sure you plate a negative control


    c. I usually use add 40ml and 200ml on two plates each


  9. Incubate 2-3 days in anaerobic chamber at 37C

The Institute for Genomic Biology
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University of Illinois at Urbana-Champaign
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