Team:Goettingen/week19-3

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#3 Chemoreceptor Library - 19th Week

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V09_03


Inoculation of LB-media for qrtPCR of different promoter constructs
  • Experiment:
    5 ml of LB-media with 50 µg/mL chloramphenicol were inoculated with E. coli strain BL21 haboring the vector pSB1C3 with following combinations of promoters and Tar receptor constructs:

    - Tar receptor under the control of constitutive promoter J23100
    - Tar receptor under the control of constitutive promoter J23104
    - Tar receptor under the control of constitutive promoter J23105
    - Tar receptor under the control of constitutive promoter J23106
    - Tar receptor under the control of constitutive promoter J23109
    - Tar receptor under the control of constitutive promoter J23112
    - Tar receptor under the control of constitutive promoter J23113
    - Tar receptor under the control of constitutive promoter J23114
    For more details click here.

    Cultures were incubated overnight at 37 °C, shaking.


V09_04_


V09_04_1 Isolaton of RNA, Synthesis of cDNA and qrtPCR
  • Experiment:
    RNA was isolated using Nuceleus Spin RNA II (Machery and Nagel).
    cDNA synthesis was performed using Reverse Transcription Kit (Qiagen).
    qrtPCR with promoter constructs was performed, for a detailed protocol click here.
  • Observations & Results
    Strong variations of CP-values, so we obtained no useful data for calculation of expression rates. Experiment needs to be repeated.

V09_04_2 Inoculation of LB-media for qrtPCR of different promoter constructs
  • Experiment:
    5 mL of LB-media with 50 µg/mL chloramphenicol were inoculated with E. coli strain BL21 haboring the vector pSB1C3 with following combinations of promoters and Tar receptor constructs:

    - Tar receptor under the control of constitutive promoter J23100
    - Tar receptor under the control of constitutive promoter J23104
    - Tar receptor under the control of constitutive promoter J23105
    - Tar receptor under the control of constitutive promoter J23106
    - Tar receptor under the control of constitutive promoter J23109
    - Tar receptor under the control of constitutive promoter J23112
    - Tar receptor under the control of constitutive promoter J23113
    - Tar receptor under the control of constitutive promoter J23114
    For more details click here.

    Cultures were incubated overnight at 37 °C, shaking.


V09_05


Isolaton of RNA, Synthesis of cDNA and qrtPCR
  • Experiment:
    RNA was isolated using Nuceleus Spin RNA II (Machery and Nagel).
    cDNA synthesis was performed using Reverse Transcription Kit (Qiagen).
    qrtPCR with promoter constructs was performed, for a detailed protocol click here.
  • Observations & Results
    Strong variations of CP-values, so we obtained no useful data for calculation of expression rates. Experiment needs to be repeated.



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