Team:Paris Saclay/Notebook/July/31

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Notebook : July 31

Lab work

A - Aerobic/Anaerobic regulation system

Objective : obtaining Bba_K1155004, Bba_K1155005, Bba_K155006

1 -Digestion of PSB1C3 by EcoRI/PstI

Abdou

Used quantities :

  • PSB1C3 : 16
  • Buffer FD : 2
  • EcoRI FD : 1
  • PstI FD : 1

We let our digestion 1h30 at 37°C.

2 -Denaturation of EcoRI/PstI used for the digestion of PSB1C3

Abdou

Protocol : Ethanol precipitation

3 -Ligation of NarK, NarG, NirB in PSB1C3

XiaoJing

Used quantities :

  • Buffer : 2µL
  • NarK, NarG, NirB : 1µL
  • PSB1C3 : 2µL
  • Ligase : 1µL
  • H2O : 14µL

4 -Electrophoresis to check the ligation of NarK, NarG, NirB in PSB1C3

XiaoJing

[[]]
  • Well 1 : 6µL of DNA Ladder
  • Well 2 : 5µL of NirB+1µL 6X loading dye
  • Well 3 : 5µL of NirB+1µL 6X loading dye
  • Well 4 : 5µL of NarG+1µL 6X loading dye
  • Well 5 : 5µL of NarG+1µL 6X loading dye
  • Well 6 : 5µL of NarK+1µL 6X loading dye
  • Well 7 : 5µL of NarK+1µL 6X loading dye
  • Gel : 0.8%

Expected sizes :

  • NarK : ...
  • Nar G : ...
  • Nir B : ...

We obtain fragments at the right size. We will transform them in DH5α.

5 -Transformation of Bba_K1155004, Bba_K1155005, Bba_K1155006

Anaïs

Protocol : Bacterial transformation

Objective : obtaining Bba_K1155007

1 - Digestion of Bba_I732017 by EcoRI/SpeI

XiaoJing

Used quantities :

  • Bba_I732017 : 41µL
  • Buffer FD : 5µL
  • EcoRI : 2µL
  • SpeI : 2µL

We let the digestion at 1h30 at 37°C.

2 -Electrophoresis to check the digestion of Bba_I732017 by EcoRI/SpeI

XiaoJing

[[]]
  • Well 1 : 6µL of DNA Ladder
  • Well 2 et 3 : 40µL of Bba_I732017 digested by EcoRI/SpeI+8µL 6X loading dye
  • Gel : 0.8%

Expected sizes :

  • RBS-LacZ : 3093 bp
  • PSB1A2 : 2079 bp

We obtain fragments at the right size. We will purify it.

3 - Gel purification of digestion of RBS-LacZ

Xavier

Protocol : Gel purification

We lost our fragments. We will do the digestion again.


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