Difference between revisions of "Team:TecCEM/Experiments"

Line 82: Line 82:
 
                         <li>LB Medium</li>
 
                         <li>LB Medium</li>
 
                         <li>CaCl<sub>2</sub> 0.1 M</li>
 
                         <li>CaCl<sub>2</sub> 0.1 M</li>
−
                         <li>CaCL2 0.1M + 15% glycerol</li>
+
                         <li>CaCl<sub>2</sub> 0.1M + 15% glycerol</li>
−
                         <li>Sterile Falcon tubes</li>
+
                         <li>Desired bacterial strain</li>
 
                     </ul>
 
                     </ul>
 
                     <ol><h4>Steps</h4>
 
                     <ol><h4>Steps</h4>
−
                         <li>Inoculate an isolated colony of an Escherichia coli strain in a tube containing 10 mL of LB medium and incubate overnight at 37°C and 260 rpm.</li>
+
                         <li>Inoculate an isolated colony of the desired bacterial strain in a sterile tube containing 10 mL of LB medium and incubate overnight at 37°C and 260 rpm.</li>
−
                         <li>Inoculate 100 mL of LB broth with 1 mL of the previous culture.</li>
+
                         <li>Inoculate 100 mL of LB broth with 1 mL of the previous culture (1:100 proportion).</li>
 
                         <li>Incubate for 3 hours at 37 °C and 260 rpm until it reaches a 0.6 O.D.</li>
 
                         <li>Incubate for 3 hours at 37 °C and 260 rpm until it reaches a 0.6 O.D.</li>
 
                         <li>Place on ice for 10 minutes.</li>
 
                         <li>Place on ice for 10 minutes.</li>
−
                         <li>Divide the culture in 15 mL Falcon tubes and centrifuge at 5000 rpm for 5 minutes.</li>
+
                         <li>Divide the culture in sterile Falcon tubes and centrifuge at 5000 rpm for 5 minutes.</li>
−
                         <li>Remove the supernatant, resuspend the pellets in 10 mL of cold 0.1 M CaCl2 and allow to incubate on ice for 10 minutes.</li>
+
                         <li>Remove the supernatant, resuspend the pellets in 10 mL of cold 0.1 M CaCl<sub>2</sub> and incubate on ice for 10 minutes.</li>
 
                         <li>Centrifuge at 4000 rpm for 10 minutes.</li>
 
                         <li>Centrifuge at 4000 rpm for 10 minutes.</li>
−
                         <li>Remove the supernatant, resuspend the pellet in 2 mL of CaCl2 0.1M + 15% glycerol solution and allow to incubate on ice for 10 min.</li>
+
                         <li>Remove the supernatant, resuspend the pellet in 2 mL of CaCl<sub>2</sub> 0.1M + 15% glycerol solution and incubate on ice for 10 minutes.</li>
 
                         <li>Prepare 200 μl aliquots and store at -80 °C.</li>
 
                         <li>Prepare 200 μl aliquots and store at -80 °C.</li>
 
                     </ol>
 
                     </ol>

Revision as of 21:29, 27 October 2017

IGEM_TECCEM

Experiments

Protocols

Preparation of chemocompetent cells

    Materials

  • LB Medium
  • CaCl2 0.1 M
  • CaCl2 0.1M + 15% glycerol
  • Desired bacterial strain

    Steps

  1. Inoculate an isolated colony of the desired bacterial strain in a sterile tube containing 10 mL of LB medium and incubate overnight at 37°C and 260 rpm.
  2. Inoculate 100 mL of LB broth with 1 mL of the previous culture (1:100 proportion).
  3. Incubate for 3 hours at 37 °C and 260 rpm until it reaches a 0.6 O.D.
  4. Place on ice for 10 minutes.
  5. Divide the culture in sterile Falcon tubes and centrifuge at 5000 rpm for 5 minutes.
  6. Remove the supernatant, resuspend the pellets in 10 mL of cold 0.1 M CaCl2 and incubate on ice for 10 minutes.
  7. Centrifuge at 4000 rpm for 10 minutes.
  8. Remove the supernatant, resuspend the pellet in 2 mL of CaCl2 0.1M + 15% glycerol solution and incubate on ice for 10 minutes.
  9. Prepare 200 μl aliquots and store at -80 °C.

Preparation of chemocompetent cells

    Materials

  • LB Medium
  • 01. M CaCI2
  • CaCL2 0.1M + 15% glycerol
  • Sterile Falcon tubes

    Steps

  1. Inoculate an isolated colony of an Escherichia coli strain in a tube containing 10 mL of LB medium and incubate overnight at 37°C and 260 rpm.
  2. Inoculate 100 mL of LB broth with 1 mL of the previous culture.
  3. Incubate for 3 hours at 37 °C and 260 rpm until it reaches a 0.6 O.D.
  4. Place on ice for 10 minutes.
  5. Divide the culture in 15 mL Falcon tubes and centrifuge at 5000 rpm for 5 minutes.
  6. Remove the supernatant, resuspend the pellets in 10 mL of cold 0.1 M CaCl2 and allow to incubate on ice for 10 minutes.
  7. Centrifuge at 4000 rpm for 10 minutes.
  8. Remove the supernatant, resuspend the pellet in 2 mL of CaCl2 0.1M + 15% glycerol solution and allow to incubate on ice for 10 min.
  9. Prepare 200 μl aliquots and store at -80 °C.

Preparation of chemocompetent cells

    Materials

  • LB Medium
  • 01. M CaCI2
  • CaCL2 0.1M + 15% glycerol
  • Sterile Falcon tubes

    Steps

  1. Inoculate an isolated colony of an Escherichia coli strain in a tube containing 10 mL of LB medium and incubate overnight at 37°C and 260 rpm.
  2. Inoculate 100 mL of LB broth with 1 mL of the previous culture.
  3. Incubate for 3 hours at 37 °C and 260 rpm until it reaches a 0.6 O.D.
  4. Place on ice for 10 minutes.
  5. Divide the culture in 15 mL Falcon tubes and centrifuge at 5000 rpm for 5 minutes.
  6. Remove the supernatant, resuspend the pellets in 10 mL of cold 0.1 M CaCl2 and allow to incubate on ice for 10 minutes.
  7. Centrifuge at 4000 rpm for 10 minutes.
  8. Remove the supernatant, resuspend the pellet in 2 mL of CaCl2 0.1M + 15% glycerol solution and allow to incubate on ice for 10 min.
  9. Prepare 200 μl aliquots and store at -80 °C.

Preparation of chemocompetent cells

    Materials

  • LB Medium
  • 01. M CaCI2
  • CaCL2 0.1M + 15% glycerol
  • Sterile Falcon tubes

    Steps

  1. Inoculate an isolated colony of an Escherichia coli strain in a tube containing 10 mL of LB medium and incubate overnight at 37°C and 260 rpm.
  2. Inoculate 100 mL of LB broth with 1 mL of the previous culture.
  3. Incubate for 3 hours at 37 °C and 260 rpm until it reaches a 0.6 O.D.
  4. Place on ice for 10 minutes.
  5. Divide the culture in 15 mL Falcon tubes and centrifuge at 5000 rpm for 5 minutes.
  6. Remove the supernatant, resuspend the pellets in 10 mL of cold 0.1 M CaCl2 and allow to incubate on ice for 10 minutes.
  7. Centrifuge at 4000 rpm for 10 minutes.
  8. Remove the supernatant, resuspend the pellet in 2 mL of CaCl2 0.1M + 15% glycerol solution and allow to incubate on ice for 10 min.
  9. Prepare 200 μl aliquots and store at -80 °C.

Preparation of chemocompetent cells

    Materials

  • LB Medium
  • 01. M CaCI2
  • CaCL2 0.1M + 15% glycerol
  • Sterile Falcon tubes

    Steps

  1. Inoculate an isolated colony of an Escherichia coli strain in a tube containing 10 mL of LB medium and incubate overnight at 37°C and 260 rpm.
  2. Inoculate 100 mL of LB broth with 1 mL of the previous culture.
  3. Incubate for 3 hours at 37 °C and 260 rpm until it reaches a 0.6 O.D.
  4. Place on ice for 10 minutes.
  5. Divide the culture in 15 mL Falcon tubes and centrifuge at 5000 rpm for 5 minutes.
  6. Remove the supernatant, resuspend the pellets in 10 mL of cold 0.1 M CaCl2 and allow to incubate on ice for 10 minutes.
  7. Centrifuge at 4000 rpm for 10 minutes.
  8. Remove the supernatant, resuspend the pellet in 2 mL of CaCl2 0.1M + 15% glycerol solution and allow to incubate on ice for 10 min.
  9. Prepare 200 μl aliquots and store at -80 °C.

Preparation of chemocompetent cells

    Materials

  • LB Medium
  • 01. M CaCI2
  • CaCL2 0.1M + 15% glycerol
  • Sterile Falcon tubes

    Steps

  1. Inoculate an isolated colony of an Escherichia coli strain in a tube containing 10 mL of LB medium and incubate overnight at 37°C and 260 rpm.
  2. Inoculate 100 mL of LB broth with 1 mL of the previous culture.
  3. Incubate for 3 hours at 37 °C and 260 rpm until it reaches a 0.6 O.D.
  4. Place on ice for 10 minutes.
  5. Divide the culture in 15 mL Falcon tubes and centrifuge at 5000 rpm for 5 minutes.
  6. Remove the supernatant, resuspend the pellets in 10 mL of cold 0.1 M CaCl2 and allow to incubate on ice for 10 minutes.
  7. Centrifuge at 4000 rpm for 10 minutes.
  8. Remove the supernatant, resuspend the pellet in 2 mL of CaCl2 0.1M + 15% glycerol solution and allow to incubate on ice for 10 min.
  9. Prepare 200 μl aliquots and store at -80 °C.

Preparation of chemocompetent cells

    Materials

  • LB Medium
  • 01. M CaCI2
  • CaCL2 0.1M + 15% glycerol
  • Sterile Falcon tubes

    Steps

  1. Inoculate an isolated colony of an Escherichia coli strain in a tube containing 10 mL of LB medium and incubate overnight at 37°C and 260 rpm.
  2. Inoculate 100 mL of LB broth with 1 mL of the previous culture.
  3. Incubate for 3 hours at 37 °C and 260 rpm until it reaches a 0.6 O.D.
  4. Place on ice for 10 minutes.
  5. Divide the culture in 15 mL Falcon tubes and centrifuge at 5000 rpm for 5 minutes.
  6. Remove the supernatant, resuspend the pellets in 10 mL of cold 0.1 M CaCl2 and allow to incubate on ice for 10 minutes.
  7. Centrifuge at 4000 rpm for 10 minutes.
  8. Remove the supernatant, resuspend the pellet in 2 mL of CaCl2 0.1M + 15% glycerol solution and allow to incubate on ice for 10 min.
  9. Prepare 200 μl aliquots and store at -80 °C.

Preparation of chemocompetent cells

    Materials

  • LB Medium
  • 01. M CaCI2
  • CaCL2 0.1M + 15% glycerol
  • Sterile Falcon tubes

    Steps

  1. Inoculate an isolated colony of an Escherichia coli strain in a tube containing 10 mL of LB medium and incubate overnight at 37°C and 260 rpm.
  2. Inoculate 100 mL of LB broth with 1 mL of the previous culture.
  3. Incubate for 3 hours at 37 °C and 260 rpm until it reaches a 0.6 O.D.
  4. Place on ice for 10 minutes.
  5. Divide the culture in 15 mL Falcon tubes and centrifuge at 5000 rpm for 5 minutes.
  6. Remove the supernatant, resuspend the pellets in 10 mL of cold 0.1 M CaCl2 and allow to incubate on ice for 10 minutes.
  7. Centrifuge at 4000 rpm for 10 minutes.
  8. Remove the supernatant, resuspend the pellet in 2 mL of CaCl2 0.1M + 15% glycerol solution and allow to incubate on ice for 10 min.
  9. Prepare 200 μl aliquots and store at -80 °C.

Preparation of chemocompetent cells

    Materials

  • LB Medium
  • 01. M CaCI2
  • CaCL2 0.1M + 15% glycerol
  • Sterile Falcon tubes

    Steps

  1. Inoculate an isolated colony of an Escherichia coli strain in a tube containing 10 mL of LB medium and incubate overnight at 37°C and 260 rpm.
  2. Inoculate 100 mL of LB broth with 1 mL of the previous culture.
  3. Incubate for 3 hours at 37 °C and 260 rpm until it reaches a 0.6 O.D.
  4. Place on ice for 10 minutes.
  5. Divide the culture in 15 mL Falcon tubes and centrifuge at 5000 rpm for 5 minutes.
  6. Remove the supernatant, resuspend the pellets in 10 mL of cold 0.1 M CaCl2 and allow to incubate on ice for 10 minutes.
  7. Centrifuge at 4000 rpm for 10 minutes.
  8. Remove the supernatant, resuspend the pellet in 2 mL of CaCl2 0.1M + 15% glycerol solution and allow to incubate on ice for 10 min.
  9. Prepare 200 μl aliquots and store at -80 °C.

Preparation of chemocompetent cells

    Materials

  • LB Medium
  • 01. M CaCI2
  • CaCL2 0.1M + 15% glycerol
  • Sterile Falcon tubes

    Steps

  1. Inoculate an isolated colony of an Escherichia coli strain in a tube containing 10 mL of LB medium and incubate overnight at 37°C and 260 rpm.
  2. Inoculate 100 mL of LB broth with 1 mL of the previous culture.
  3. Incubate for 3 hours at 37 °C and 260 rpm until it reaches a 0.6 O.D.
  4. Place on ice for 10 minutes.
  5. Divide the culture in 15 mL Falcon tubes and centrifuge at 5000 rpm for 5 minutes.
  6. Remove the supernatant, resuspend the pellets in 10 mL of cold 0.1 M CaCl2 and allow to incubate on ice for 10 minutes.
  7. Centrifuge at 4000 rpm for 10 minutes.
  8. Remove the supernatant, resuspend the pellet in 2 mL of CaCl2 0.1M + 15% glycerol solution and allow to incubate on ice for 10 min.
  9. Prepare 200 μl aliquots and store at -80 °C.

Preparation of chemocompetent cells

    Materials

  • LB Medium
  • 01. M CaCI2
  • CaCL2 0.1M + 15% glycerol
  • Sterile Falcon tubes

    Steps

  1. Inoculate an isolated colony of an Escherichia coli strain in a tube containing 10 mL of LB medium and incubate overnight at 37°C and 260 rpm.
  2. Inoculate 100 mL of LB broth with 1 mL of the previous culture.
  3. Incubate for 3 hours at 37 °C and 260 rpm until it reaches a 0.6 O.D.
  4. Place on ice for 10 minutes.
  5. Divide the culture in 15 mL Falcon tubes and centrifuge at 5000 rpm for 5 minutes.
  6. Remove the supernatant, resuspend the pellets in 10 mL of cold 0.1 M CaCl2 and allow to incubate on ice for 10 minutes.
  7. Centrifuge at 4000 rpm for 10 minutes.
  8. Remove the supernatant, resuspend the pellet in 2 mL of CaCl2 0.1M + 15% glycerol solution and allow to incubate on ice for 10 min.
  9. Prepare 200 μl aliquots and store at -80 °C.

Preparation of chemocompetent cells

    Materials

  • LB Medium
  • 01. M CaCI2
  • CaCL2 0.1M + 15% glycerol
  • Sterile Falcon tubes

    Steps

  1. Inoculate an isolated colony of an Escherichia coli strain in a tube containing 10 mL of LB medium and incubate overnight at 37°C and 260 rpm.
  2. Inoculate 100 mL of LB broth with 1 mL of the previous culture.
  3. Incubate for 3 hours at 37 °C and 260 rpm until it reaches a 0.6 O.D.
  4. Place on ice for 10 minutes.
  5. Divide the culture in 15 mL Falcon tubes and centrifuge at 5000 rpm for 5 minutes.
  6. Remove the supernatant, resuspend the pellets in 10 mL of cold 0.1 M CaCl2 and allow to incubate on ice for 10 minutes.
  7. Centrifuge at 4000 rpm for 10 minutes.
  8. Remove the supernatant, resuspend the pellet in 2 mL of CaCl2 0.1M + 15% glycerol solution and allow to incubate on ice for 10 min.
  9. Prepare 200 μl aliquots and store at -80 °C.

Experiments

Project Development

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IGEM_TECCEM