Difference between revisions of "Team:East Chapel Hill/Experiments"

Line 35: Line 35:
 
                     <a role="button" data-toggle="collapse" data-parent="#accordion" href="#P2-collapse" aria-expanded="false" aria-controls="P2-collapse">
 
                     <a role="button" data-toggle="collapse" data-parent="#accordion" href="#P2-collapse" aria-expanded="false" aria-controls="P2-collapse">
 
<div>
 
<div>
                     <div class="col-md-11">Growing Overnight Cultures</div><div class="col-md-1"><i class="fa fa-arrow-down fa-10" aria-hidden="true"></i></div>
+
                     <div class="col-md-11">Chemically Competent Cells</div><div class="col-md-1"><i class="fa fa-arrow-down fa-10" aria-hidden="true"></i></div>
 
</div>
 
</div>
 
                     </a>
 
                     </a>
Line 43: Line 43:
 
                 <div id="P2-collapse" class="panel-collapse collapse" role="tabpanel" aria-labelledby="P2">
 
                 <div id="P2-collapse" class="panel-collapse collapse" role="tabpanel" aria-labelledby="P2">
 
                     <div class="panel-body">
 
                     <div class="panel-body">
<p>
+
<img src="https://static.igem.org/mediawiki/2018/b/bf/T--East_Chapel_Hill--GELEXTRACT.png"
<b>Materials:</b><br>
+
5 ml LB broth<br>
+
5 μl antibiotic<br>
+
Loops<br>
+
12 ml culture tube<br>
+
<br>
+
<b>Methods:</b><br>
+
Overnight cultures were prepared under sterile conditions using a Bunsen burner<br>
+
<ol style="font-size:16px;">
+
<li>Add 5 ml liquid LB media into 12 ml culture tubes</li>
+
<li>Add 5 μl of appropriate antibiotic into the broth</li>
+
<li>Using the loop, pick a single colony and inoculate the cultures by dipping the loop into the LB broth</li>
+
<li>Seal the tubes and incubate overnight at 37°C shaking at 200-250 rpm</li>
+
</ol>
+
</p>
+
 
+
 
   </div>
 
   </div>
 
</div>
 
</div>
Line 81: Line 65:
 
                 <div id="P3-collapse" class="panel-collapse collapse" role="tabpanel" aria-labelledby="P3">
 
                 <div id="P3-collapse" class="panel-collapse collapse" role="tabpanel" aria-labelledby="P3">
 
                     <div class="panel-body">
 
                     <div class="panel-body">
<p>
+
<img src="https://static.igem.org/mediawiki/2018/b/bf/T--East_Chapel_Hill--GELEXTRACT.png"
<b>Materials:</b><br>
+
2x Phusion Mastermix<br>
+
10 µM forward primer<br>
+
10 µM forward primer<br>
+
PCR tube<br>
+
Sterile water<br>
+
Plasmid DNA<br>
+
<br>
+
<b>Methods:</b><br>
+
For a 25 µL reaction<br>
+
<ol style="font-size:16px;">
+
<li>In a PCR tube on ice, combine  1-10 ng of plasmid DNA, 1.25 µL of 10 µM forward primer, 1.25 µL of 10 µM reverse primer to a PCR tube on ice, 12.5 µL of 2x Phusion Mastermix, and sterile water up to 25 µL.
+
<br><i>Note: It is important to add Phusion Master Mix last in order to prevent primer degradation
+
caused by the 3 ́→ 5 ́ exonuclease activity</i></li>
+
<li>Gently mix the reaction</li>
+
<li>If necessary, collect the liquid to the bottom of the PCR tube by spinning briefly</li>
+
<li>Transfer the PCR tube from ice to a PCR machine to begin thermocycling</li>
+
</ol>
+
 
+
<p><br>For a 50 µL reaction<br></p>
+
<ol style="font-size:16px;">
+
<li>In a PCR tube on ice, combine  1-10 ng of plasmid DNA, 2.50 µL of 10 µM forward primer, 2.50 µL of 10 µM reverse primer to a PCR tube on ice, 25 µL of 2x Phusion Mastermix, and sterile water up to 50 µL.
+
<br><i>Note: It is important to add Phusion Master Mix last in order to prevent primer degradation
+
caused by the 3 ́→ 5 ́ exonuclease activity</i></li>
+
<li>Gently mix the reaction</li>
+
<li>If necessary, collect the liquid to the bottom of the PCR tube by spinning briefly</li>
+
<li>Transfer the PCR tube from ice to a PCR machine preheated to 98°C to begin thermocycling</li>
+
</ol>
+
<p><br><b>Thermocycling</b><br>
+
The PCR machine should be set to run the following steps: </p>
+
<table class="table table-bordered table-striped">
+
<thead>
+
        <tr>
+
            <th>Step</th>
+
            <th>Temperature (°C)</th>
+
            <th>Time</th>
+
         
+
        </tr>
+
    </thead>
+
    <tbody>
+
        <tr>
+
            <td>Initial denaturation</td>
+
            <td>98</td>
+
            <td>30 seconds</td>
+
        </tr>
+
        <tr>
+
            <td>25-35 cycles</td>
+
            <td>98 (denaturation)<br>
+
                45-72 (annealing) <a href="#Note1">see Note 1</a><br>
+
                72 (extension)</td>
+
            <td>5-10 seconds <br>
+
                10-30 seconds<br>
+
                15-30 seconds per kb</td>
+
        </tr>
+
        <tr>
+
            <td>Final extension</td>
+
            <td>72</td>
+
            <td>2-5 minutes</td>
+
        </tr>
+
        <tr>
+
            <td>Hold</td>
+
            <td>4</td>
+
            <td>Indefinitely</td>
+
        </tr>
+
 
+
    </tbody>
+
</table>
+
 
+
<p id="Note1">Note 1: Use the NEB Tm calculator should be used to determine the annealing temperature when using Phusion: <a target="_blank" href="http://tmcalculator.neb.com/#!/">http://tmcalculator.neb.com/#!/</a></p>
+
 
+
 
+
</p>
+
  
 
   </div>
 
   </div>
Line 176: Line 88:
 
                 <div id="P4-collapse" class="panel-collapse collapse" role="tabpanel" aria-labelledby="P4">
 
                 <div id="P4-collapse" class="panel-collapse collapse" role="tabpanel" aria-labelledby="P4">
 
                     <div class="panel-body">
 
                     <div class="panel-body">
<p>
+
<img src="https://static.igem.org/mediawiki/2018/b/bf/T--East_Chapel_Hill--GELEXTRACT.png"
<b>Materials:</b><br>
+
Sterile Water<br>
+
25 µL RedTaq mastermix<br>
+
1 E. coli colony<br>
+
2.5 µL of 10 µM forward primer<br>
+
2.5 µL of 10 µM reverse primer<br>
+
<br>
+
<b>Methods:</b><br>
+
<ol style="font-size:16px;">
+
<li>Add a single colony of cells to 50 µL of water. Incubate at 95C for a minute to lyse the cells.</li>
+
<li>Combine 1 µL cell lysate, 25 µL RedTaq mastermix, 2.5 µL of 10 µM forward primer, 2.5 µL of 10 µM reverse primer, and sterile water up to 50 µL. <br>
+
<i>Note: It is important to add RedTaq Master Mix last in order to prevent primer
+
degradation caused by the 3 ́→ 5 ́ exonuclease activity</i></li>
+
<li>Incubate in the thermocycler -  Taq has a lower optimum temperature than Phusion.</li>
+
 
+
</ol>
+
 
+
<p><br><b>Thermocycling</b><br>
+
The PCR machine should be set to run the following steps: </p>
+
<table class="table table-bordered table-striped">
+
<thead>
+
        <tr>
+
            <th>Step</th>
+
            <th>Temperature (°C)</th>
+
            <th>Time</th>
+
         
+
        </tr>
+
    </thead>
+
    <tbody>
+
        <tr>
+
            <td>Initial denaturation</td>
+
            <td>98</td>
+
            <td>30 seconds</td>
+
        </tr>
+
        <tr>
+
            <td>25-35 cycles</td>
+
            <td>98 (denaturation)<br>
+
                45-72 (annealing) <a href="#Note1">see Note 1</a><br>
+
                68 (extension)</td>
+
            <td>5-10 seconds <br>
+
                10-30 seconds<br>
+
                15-30 seconds per kb</td>
+
        </tr>
+
        <tr>
+
            <td>Final extension</td>
+
            <td>72</td>
+
            <td>5-10 minutes</td>
+
        </tr>
+
        <tr>
+
            <td>Hold</td>
+
            <td>4</td>
+
            <td>Indefinitely</td>
+
        </tr>
+
 
+
    </tbody>
+
</table>
+
<p>Note: If loading on a gel, the RedTaq mix contains loading dye, so don’t add anything else.</p>
+
 
+
 
   </div>
 
   </div>
 
</div>
 
</div>
Line 257: Line 111:
 
                     <div class="panel-body">
 
                     <div class="panel-body">
  
<p>
+
<img src="https://static.igem.org/mediawiki/2018/b/bf/T--East_Chapel_Hill--GELEXTRACT.png"
<specialh3>LB Broth</specialh3><br>
+
<b>Materials:</b><br>
+
25 g LB broth (powder)<br>
+
1 Litre Purified Water<br>
+
<br>
+
<b>Methods:</b><br>
+
<ol style="font-size:16px;">
+
<li>Add 25g LB broth to 1 litre purified water</li>
+
<li>Autoclave</li>
+
</ol>
+
</p>
+
 
+
<p>
+
<specialh3>LB Agar</specialh3><br>
+
<b>Materials:</b><br>
+
37 g LB Agar (powder)<br>
+
1 Litre Purified Water<br>
+
<br>
+
<b>Methods:</b><br>
+
<ol style="font-size:16px;">
+
<li>Add 37g LB Agar to 1 litre purified water</li>
+
<li>Autoclave</li>
+
</ol>
+
</p>
+
 
+
<p>
+
<specialh3>Glycerol Stocks</specialh3><br>
+
<b>Materials:</b><br>
+
500µl glycerol (80%)<br>
+
500µl overnight culture in LB<br>
+
<br>
+
<b>Methods:</b><br>
+
<ol style="font-size:16px;">
+
<li>Add 500µl glycerol (80%) to 1.5ml eppendorf tube</li>
+
<li>Add 500µl overnight culture in LB</li>
+
<li>Store at -80°C</li>
+
</ol>
+
</p>
+
 
   </div>
 
   </div>
 
</div>
 
</div>
Line 317: Line 133:
 
                 <div id="P6-collapse" class="panel-collapse collapse" role="tabpanel" aria-labelledby="P6">
 
                 <div id="P6-collapse" class="panel-collapse collapse" role="tabpanel" aria-labelledby="P6">
 
                     <div class="panel-body">
 
                     <div class="panel-body">
<p>
+
<img src="https://static.igem.org/mediawiki/2018/b/bf/T--East_Chapel_Hill--GELEXTRACT.png"
<b>Materials:</b><br>
+
Agarose Powder<br>
+
TAE buffer<br>
+
Gel mould<br>
+
5-10 µL SybrSafe<br>
+
Gel Tank<br>
+
8-10 µL DNA ladder<br>
+
DNA loading dye<br>
+
<br>
+
<b>Methods:</b><br>
+
<ol style="font-size:16px;">
+
<li>Prepare 8% w/v solution of agarose powder in 1/10 TAE buffer (e.g. 0.8g agarose powder in 100 mL buffer) using a conical flask</li>
+
<li>Heat the mixture until agarose is completely dissolved. Do not let the solution boil.</li>
+
<li>Pour the solution into a gel mould</li>
+
<li>Add 5-10 µL SybrSafe® to the solution. Make sure there are no bubbles in the solution.</li>
+
<li>Allows the solution to set (approx 15-20 minutes)</li>
+
<li>Transfer the agarose gel to a tank, remove the comb and apply:
+
<ul>
+
<li>8-10 µL of the DNA ladder </li>
+
<li>DNA samples with the corresponding amount of DNA loading dye (6X)</li>
+
</ul></li>
+
<li>Run the gel for 45-60 minutes at 100V</li>
+
 
+
</ol>
+
 
+
  
 
   </div>
 
   </div>
Line 365: Line 156:
 
                 <div id="P7-collapse" class="panel-collapse collapse" role="tabpanel" aria-labelledby="P7">
 
                 <div id="P7-collapse" class="panel-collapse collapse" role="tabpanel" aria-labelledby="P7">
 
                     <div class="panel-body">
 
                     <div class="panel-body">
<p>
+
<img src="https://static.igem.org/mediawiki/2018/b/bf/T--East_Chapel_Hill--GELEXTRACT.png"
<b>Materials:</b><br>
+
Microcentrifuge tube<br>
+
Ice<br>
+
1 µL T4 DNA Ligase<br>
+
2 µL 10X T4 DNA ligase buffer<br>
+
50ng Vector Plasmid<br>
+
Insert DNA<br>
+
Sterile water<br>
+
<br>
+
<b>Methods:</b><br>
+
<ol style="font-size:16px;">
+
<li>Calculate volumes of vector and insert DNA required using NEBioCalculator (<a href="http://nebiocalculator.neb.com/#!/ligation" > http://nebiocalculator.neb.com/#!/ligation</a> - required molar ratio of 1:3::vector:insert)</li>
+
<li>Add vector plasmid, insert DNA, T4 DNA ligase and T4 DNA ligase buffer to the microcentrifuge tube on ice (add T4 DNA ligase last)</li>
+
<li>Make reaction up to 20 µL using sterile water</li>
+
<li>Incubate at room temperature for 30 - 60 min for sticky ends or  1-2 hours for blunt ends</li>
+
</ol>
+
  
 
   </div>
 
   </div>
Line 405: Line 180:
 
                 <div id="P8-collapse" class="panel-collapse collapse" role="tabpanel" aria-labelledby="P8">
 
                 <div id="P8-collapse" class="panel-collapse collapse" role="tabpanel" aria-labelledby="P8">
 
                     <div class="panel-body">
 
                     <div class="panel-body">
<p>
+
<img src="https://static.igem.org/mediawiki/2018/b/bf/T--East_Chapel_Hill--GELEXTRACT.png"
<b>Materials:</b><br>
+
Restriction Enzyme:
+
<a href"https://www.neb.com/tools-and-resources/interactive-tools/enzyme-finder?searchType=7&recognitionSite=&matchType=1">NEB enzyme finder</a> used to see which restriction enzymes are required <br>
+
10X buffer: <a href="https://www.neb.com/tools-and-resources/interactive-tools/double-digest-finder">NEB double digest finder</a> used to see which buffers are required for the particular restriction enzymes <br>
+
Plasmid DNA<br>
+
Sterile water<br>
+
<br>
+
<b>Methods:</b><br>
+
 
+
<table class="table table-bordered table-striped">
+
<thead>
+
        <tr>
+
            <th>Component</th>
+
            <th>Test digest<br>
+
Double digestion (20 µL, for construct analysis)
+
</th>
+
            <th>Assemble digest
+
<br>Double digestion (20-50 µL, for gene assembly)</th>
+
         
+
        </tr>
+
    </thead>
+
    <tbody>
+
        <tr>
+
            <td>Sterile water</td>
+
            <td>to 20 µL</td>
+
            <td>to 50 µL</td>
+
        </tr>
+
        <tr>
+
            <td>10X buffer</td>
+
            <td>2 µL</td>
+
            <td>2-5 µL</td>
+
        </tr>
+
        <tr>
+
            <td>Plasmid DNA</td>
+
            <td>~200 ng for test digest,
+
(DNA mass is variable dependent on insert size.<br> Smallest digestion fragment mass should be > 50ng)</td>
+
            <td>1,000 -2,000 ng</td>
+
        </tr>
+
        <tr>
+
            <td>Restriction enzyme</td>
+
            <td>0.5 µL + 0.5 µL</td>
+
            <td>1 µL + 1 µL</td>
+
        </tr>
+
 
+
    </tbody>
+
</table>
+
<ol style="font-size:16px;">
+
<li>Set up the reaction following the instruction in the table above , depending on whether test digest or assembly digest is being performed.</li>
+
<li> Incubate digestion reaction at 37°C:
+
    <ol>
+
    <li>30 min for Test digest</li>
+
    <li>2-3 hours or overnight for Assembly digest</li>
+
    </ol>
+
</li>
+
<li>Perform heat deactivation at 80°C for 20 minutes, if not running on a gel at the end of incubation. </li>
+
</ol>
+
  
 
   </div>
 
   </div>
Line 484: Line 203:
 
                 <div id="P9-collapse" class="panel-collapse collapse" role="tabpanel" aria-labelledby="P9">
 
                 <div id="P9-collapse" class="panel-collapse collapse" role="tabpanel" aria-labelledby="P9">
 
                     <div class="panel-body">
 
                     <div class="panel-body">
<p>
+
<img src="https://static.igem.org/mediawiki/2018/b/bf/T--East_Chapel_Hill--GELEXTRACT.png"
<b>Materials:</b><br>
+
Microcentrifuge tube<br>
+
Media of choice<br>
+
Overnight Culture of Cells<br>
+
96 well plate<br>
+
Plate reader<br>
+
<br>
+
<b>Methods:</b><br>
+
<ol style="font-size:16px;">
+
<li>Dilute overnight cultures to 0.1 OD. <b>Don’t forget the media control.</b></li>
+
<li>Seed your cells in the 96 well plate at 100μL per well.</li>
+
<li>Make reaction up to 20 µL using sterile water</li>
+
<li>Set the plate reader for 600OD and run it for 12 hours for bacteria or 24 hours plus for yeast
+
</li>
+
</ol>
+
 
+
  </div>
+
</div>
+
</div>
+
 
+
<div class="some-padding"></div>
+
<div class="some-padding"></div>
+
 
+
<div class="panel-group" id="accordion" role="tablist" aria-multiselectable="true">
+
            <div class="panel panel-default">
+
                <div class="panel-heading" role="tab" id="P10">
+
                    <h4 class="panel-title">
+
                    <a role="button" data-toggle="collapse" data-parent="#accordion" href="#P10-collapse" aria-expanded="false" aria-controls="P10-collapse">
+
<div>
+
                    <div class="col-md-11">Cell Sorting for Co-Culture Characterisation</div><div class="col-md-1"><i class="fa fa-arrow-down fa-10" aria-hidden="true"></i></div>
+
</div>
+
                    </a>
+
                    </h4>
+
 
+
                </div>
+
                <div id="P10-collapse" class="panel-collapse collapse" role="tabpanel" aria-labelledby="P10">
+
                    <div class="panel-body">
+
<p>
+
<b>Materials:</b><br>
+
Microcentrifuge tube<br>
+
Media of choice<br>
+
Overnight Culture of Cells<br>
+
96 well plate<br>
+
Flow Cytometer<br>
+
PBS<br>
+
<br>
+
<b>Methods:</b><br>
+
<ol style="font-size:16px;">
+
<li>Use Flowjo to predefine the gates for the Flow cytometer. This allows the cells within the co culture to be counted based on size.</li>
+
<li>Dilute the Cultures to 1 OD (don’t forget the media control) and culture together at desired inoculation ratio</li>
+
<li>Set up samples in triplicate form on a 96 well plate. Dilute 10 fold and 100 fold in PBS.</li>
+
<li>Incubate Cells and take samples at desired time points to obtain growth curves</li>
+
</ol>
+
  
 
   </div>
 
   </div>
Line 561: Line 227:
 
                 <div id="P11-collapse" class="panel-collapse collapse" role="tabpanel" aria-labelledby="P11">
 
                 <div id="P11-collapse" class="panel-collapse collapse" role="tabpanel" aria-labelledby="P11">
 
                     <div class="panel-body">
 
                     <div class="panel-body">
<p>
+
<img src="https://static.igem.org/mediawiki/2018/b/bf/T--East_Chapel_Hill--GELEXTRACT.png"
<b>Materials:</b><br>
+
Replica plate or glycerol stock of cells<br>
+
Appropriate antibiotic<br>
+
LB broth<br>
+
96 well plate<br>
+
AHLs (at concentrations of 10pM, 100pM, 1nM, 10nM, 100nM, 1µM, 10µM and 100µM)<br>
+
<br>
+
<b>Methods:</b><br>
+
<ol style="font-size:16px;">
+
<li>Grow overnight culture of cells, either from replica plate or glycerol stock (see overnight culture protocol)
+
</li>
+
<li>In the morning, add 100 µL of the cell suspension to 10 mL LB and 10µL of antibiotic</li>
+
<li>Grow cells in incubator for 3-4 hours at 200rpm and 37°C</li>
+
<li>Blank spectrophotometer with 1mL LB and measure OD of cells (dilute 10x in LB)</li>
+
<li>Make up suspension of cells at OD 0.05</li>
+
<li>Add 100µL of cells to each well in the 96-well plate using the block-filler machine</li>
+
<li>Using the multi-channel pipette add 2µL of intended AHL to each well, add samples in triplicate form
+
</li>
+
<li>Using the multi-channel pipette add 2µL of intended AHL to each well, add samples in triplicate form
+
</li>Run on plate-reader for 12 hours, with fluorescence and absorbance measurements taken every 15 minutes (set plate reader to 37°C and 500rpm shaking)
+
</li>
+
</ol>
+
 
+
 
   </div>
 
   </div>
 
</div>
 
</div>
Line 606: Line 249:
 
                 <div id="P12-collapse" class="panel-collapse collapse" role="tabpanel" aria-labelledby="P12">
 
                 <div id="P12-collapse" class="panel-collapse collapse" role="tabpanel" aria-labelledby="P12">
 
                     <div class="panel-body">
 
                     <div class="panel-body">
<p>
+
<img src="https://static.igem.org/mediawiki/2018/b/bf/T--East_Chapel_Hill--GELEXTRACT.png"
<b>PCR purification</b> was performed according to the QIAquick PCR Purification Kit<br>
+
<b>Gel extraction</b> was performed according to the QIAquick Gel Extraction Kit<br>
+
<b>Minipreps</b> were carried out according to the QIAprep Spin Miniprep Kit<br>
+
 
+
 
+
 
   </div>
 
   </div>
 
</div>
 
</div>

Revision as of 04:17, 15 October 2018

Parts