Team:Goettingen/Experiments


Experiments

Media

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LB Medium

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Cultivation and Transformation

    LB Medium

  • Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Aenean commodo ligula eget dolor. Aenean massa. Cum sociis natoque penatibus et magnis dis parturient montes, nascetur ridiculus mus. Donec quam felis, ultricies nec, pellentesque eu, pretium quis, sem. Nulla consequat massa quis enim. Donec pede justo, fringilla vel, aliquet nec, vulputate eget, arcu. In enim justo, rhoncus ut, imperdiet a, venenatis vitae, justo. Nullam dictum felis eu pede mollis pretium.

    M9 Minimal Medium

  • Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Aenean commodo ligula eget dolor. Aenean massa. Cum sociis natoque penatibus et magnis dis parturient montes, nascetur ridiculus mus. Donec quam felis, ultricies nec, pellentesque eu, pretium quis, sem. Nulla consequat massa quis enim. Donec pede justo, fringilla vel, aliquet nec, vulputate eget, arcu. In enim justo, rhoncus ut, imperdiet a, venenatis vitae, justo. Nullam dictum felis eu pede mollis pretium.

    Guttman Medium (B12 Assay)

  • Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Aenean commodo ligula eget dolor. Aenean massa. Cum sociis natoque penatibus et magnis dis parturient montes, nascetur ridiculus mus. Donec quam felis, ultricies nec, pellentesque eu, pretium quis, sem. Nulla consequat massa quis enim. Donec pede justo, fringilla vel, aliquet nec, vulputate eget, arcu. In enim justo, rhoncus ut, imperdiet a, venenatis vitae, justo. Nullam dictum felis eu pede mollis pretium.

Item3

    Protocol 1

  • Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Aenean commodo ligula eget dolor. Aenean massa. Cum sociis natoque penatibus et magnis dis parturient montes, nascetur ridiculus mus. Donec quam felis, ultricies nec, pellentesque eu, pretium quis, sem. Nulla consequat massa quis enim. Donec pede justo, fringilla vel, aliquet nec, vulputate eget, arcu. In enim justo, rhoncus ut, imperdiet a, venenatis vitae, justo. Nullam dictum felis eu pede mollis pretium.

    Protocol 2

  • Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Aenean commodo ligula eget dolor. Aenean massa. Cum sociis natoque penatibus et magnis dis parturient montes, nascetur ridiculus mus. Donec quam felis, ultricies nec, pellentesque eu, pretium quis, sem. Nulla consequat massa quis enim. Donec pede justo, fringilla vel, aliquet nec, vulputate eget, arcu. In enim justo, rhoncus ut, imperdiet a, venenatis vitae, justo. Nullam dictum felis eu pede mollis pretium.

    Protocol 3

  • Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Aenean commodo ligula eget dolor. Aenean massa. Cum sociis natoque penatibus et magnis dis parturient montes, nascetur ridiculus mus. Donec quam felis, ultricies nec, pellentesque eu, pretium quis, sem. Nulla consequat massa quis enim. Donec pede justo, fringilla vel, aliquet nec, vulputate eget, arcu. In enim justo, rhoncus ut, imperdiet a, venenatis vitae, justo. Nullam dictum felis eu pede mollis pretium.

Item4

    Protocol 1

  • Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Aenean commodo ligula eget dolor. Aenean massa. Cum sociis natoque penatibus et magnis dis parturient montes, nascetur ridiculus mus. Donec quam felis, ultricies nec, pellentesque eu, pretium quis, sem. Nulla consequat massa quis enim. Donec pede justo, fringilla vel, aliquet nec, vulputate eget, arcu. In enim justo, rhoncus ut, imperdiet a, venenatis vitae, justo. Nullam dictum felis eu pede mollis pretium.

    Protocol 2

  • Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Aenean commodo ligula eget dolor. Aenean massa. Cum sociis natoque penatibus et magnis dis parturient montes, nascetur ridiculus mus. Donec quam felis, ultricies nec, pellentesque eu, pretium quis, sem. Nulla consequat massa quis enim. Donec pede justo, fringilla vel, aliquet nec, vulputate eget, arcu. In enim justo, rhoncus ut, imperdiet a, venenatis vitae, justo. Nullam dictum felis eu pede mollis pretium.

    Protocol 4)

  • Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Aenean commodo ligula eget dolor. Aenean massa. Cum sociis natoque penatibus et magnis dis parturient montes, nascetur ridiculus mus. Donec quam felis, ultricies nec, pellentesque eu, pretium quis, sem. Nulla consequat massa quis enim. Donec pede justo, fringilla vel, aliquet nec, vulputate eget, arcu. In enim justo, rhoncus ut, imperdiet a, venenatis vitae, justo. Nullam dictum felis eu pede mollis pretium.

Media and Buffer Recipes

  • LB Medium
      Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Aenean commodo ligula eget dolor. Aenean massa. Cum sociis natoque penatibus et magnis dis parturient montes, nascetur ridiculus mus. Donec quam felis, ultricies nec, pellentesque eu, pretium quis, sem. Nulla consequat massa quis enim. Donec pede justo, fringilla vel, aliquet nec, vulputate eget, arcu. In enim justo, rhoncus ut, imperdiet a, venenatis vitae, justo. Nullam dictum felis eu pede mollis pretium.
  • M9 Minimal Medium
      Integer tincidunt. Cras dapibus. Vivamus elementum semper nisi. Aenean vulputate eleifend tellus. Aenean leo ligula, porttitor eu, consequat vitae, eleifend ac, enim. Aliquam lorem ante, dapibus in, viverra quis, feugiat a, tellus. Phasellus viverra nulla ut metus varius laoreet. Quisque rutrum. Aenean imperdiet. Etiam ultricies nisi vel augue.
  • B12 Detection Medium
      Curabitur ullamcorper ultricies nisi. Nam eget dui. Etiam rhoncus. Maecenas tempus, tellus eget condimentum rhoncus, sem quam semper libero, sit amet adipiscing sem neque sed ipsum. Nam quam nunc, blandit vel, luctus pulvinar, hendrerit id, lorem. Maecenas nec odio et ante tincidunt tempus. Donec vitae sapien ut libero venenatis faucibus. Nullam quis ante. Etiam sit amet orci eget eros faucibus tincidunt. Duis leo. Sed fringilla mauris sit amet nibh. Donec sodales sagittis magna. Sed consequat, leo eget bibendum sodales, augue velit cursus nunc,

Cultivation and Transformation

  • Cultivation of Escherichia coli, Shimwellia blattae and Salmonella typhimurium TA 100
      Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Aenean commodo ligula eget dolor. Aenean massa. Cum sociis natoque penatibus et magnis dis parturient montes, nascetur ridiculus mus. Donec quam felis, ultricies nec, pellentesque eu, pretium quis, sem. Nulla consequat massa quis enim. Donec pede justo, fringilla vel, aliquet nec, vulputate eget, arcu. In enim justo, rhoncus ut, imperdiet a, venenatis vitae, justo. Nullam dictum felis eu pede mollis pretium.
  • Cultivation of Raoultella planticola
      Integer tincidunt. Cras dapibus. Vivamus elementum semper nisi. Aenean vulputate eleifend tellus. Aenean leo ligula, porttitor eu, consequat vitae, eleifend ac, enim. Aliquam lorem ante, dapibus in, viverra quis, feugiat a, tellus. Phasellus viverra nulla ut metus varius laoreet. Quisque rutrum. Aenean imperdiet. Etiam ultricies nisi vel augue.
  • Preparation of Electrocompetent Cells

      Material to prepare

      • 2x 5 mL LB
      • 250 mL LB in 1 L Erlenmeyer flask with chicane
      • 500 mL sterile Millipore-H2O at 4 °C
      • 50 mL sterile glycerol (10 % (w/v)) at 4 °C
      • 30 sterile labeled Eppendorf cups at – 20°C or -80 °C
      • 1x sterile GS3 jar at 4 °C
      • 1x Aquatron at 30 °C
      • 1x Sorvall RC6 centrifuge at 4 °C
      • 1x Universal 320R centrifuge at 4 °C
      • 1 L liquid nitrogen

       

      Day 1

      • Inoculate 2x 5 mL LB (if required with antibiotics) with your strain of interest, either from cryo culture or from agar plate.
      • Incubate overnight at 37 °C and 150 rpm.

       

      Day 2

      • Inoculate 250 mL LB (without antibiotics) with 2 % (5 mL) preculture.
      • Incubate in the Aquatron at 30 °C and 160 rpm until OD600 of 0.5-0.8.
      • Check the culture via microscope for contaminations.

      All liquids and containers must be cooled on ice. The major task of cell preparation is the removal of salts. In case of some strains like pLys-strains, the pellets must be resuspended very carefully.

      • Let the cells (OD600 of 0.5-0.8) cool down in ice water for 10-20 min. All further steps are performed under cool conditions.
      • Decant the cells in sterile GS3 jar and centrifuge at 4 °C and 5000 rpm (4230 g) for 5-10 min.
      • Remove supernatant (directly next to the centrifuge or the pellet might resolve) and resuspend the pellet in 250 mL sterile 4 °C ddH2O.
      • Centrifuge the GS3 jar at 4 °C and 5000 rpm (4230 g)for 5-10 min.
      • Remove supernatant (directly next to the centrifuge or the pellet might resolve) and resuspend the pellet in 250 mL sterile 4 °C ddH2O.
      • Centrifuge the GS3 jar at 4 °C and 5000 rpm (4230 g)for 5-10 min.
      • Remove supernatant (directly next to the centrifuge or the pellet might resolve) and resuspend the pellet in 10 mL sterile 4 °C glycerol (10 % (w/v)). Afterwards, transfer the culture into a 50 mL Falcon tube.
      • Centrifuge the Falcon tube at 4 °C and 6200 rpm (4230 g) for 5-10 min.
      • Remove supernatant (directly next to the centrifuge or the pellet might resolve) and resuspend the pellet in 10 mL sterile 4 °C glycerol (10 % (w/v)).
      • Centrifuge the Falcon tube at 4 °C and 6200 rpm (4230 g) for 5-10 min.
      • Remove supernatant (directly next to the centrifuge or the pellet might resolve) and resuspend the pellet in 500 µL sterile 4 °C glycerol (10 % (w/v)).
      • Aliquot the cells into the Eppendorf cups (40 µL per Eppendorf cup). While aliquoting, filled Eppendorf cups must be frozen directly in liquid nitrogen.
      • Store the filled Eppendorf cups in a cryobox at -80 °C.
  • Transformation Electroporation of Electrocompetent Cells
      • Mix 50-200 ng plasmid DNA with 40 µL of competent cells (always defrost on ice!). Transfer attempt into precooled electroporation cuvette. Incubate on ice for 10 min.
      • Important: DNA must be salt free! Use either directly in ddH2O eluted plasmids, or (e.g. directly after ligation) desalt the DNA for 30 min on a Millipore filter (MF Membrane Filters).
      • Electroporation: 2500 V for 2 mm cuvettes (1250 V for 1 mm cuvettes), 25 µF, 200 Ω, discharging time should be 3-5 msec. Contacts of the electroporation cuvette must be dry. Remove all air bubbles before electroporation.
      • Immediately add 960 µL liquid LB (or, if available, SOC medium for a higher transformation efficiency) into the cuvette and transfer the content into a 2 ml Eppendorf cup.
      • Incubate at 37 °C and 150 rpm for 1 h. Fix tube in horizontal position with tape.
      • Plate 100 µL of 10-3 to 10-6 dilutions on plates with selection pressure
      • Incubate at 37 °C overnight.
  • Heat Shock Transformation of Heat Competent Cells
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Describe the experiments, research and protocols you used in your iGEM project.

What should this page contain?
  • Protocols
  • Experiments
  • Documentation of the development of your project
Inspiration

Contact


iGEM Team Göttingen 2016
Institut für Mikrobiologie
und Genetik
AG Prof. Dr. Rolf Daniel
Grisebachstr. 8
37077 Göttingen

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