Notebook : August 29

Lab work

A - Aerobic/Anaerobic regulation system

Objective : characterize BBa_K1155000 and BBa_K1155004, BBa_K1155005, BBa_K1155006

1 - Purification of colony transformed with ligation : NirB with RBS-LacZ-Term in PSB1C3, Pfnr with RBS-Amil CP-Term in PSB1C3 by streaking in aerobic or anaerobic conditions

XiaoJing

We streak :

• Pfnr with RBS-Amil CP-Term in pSB1C3 with O2 at 37°C
• Pfnr with RBS-Amil CP-Term in pSB1C3 without O2 at 37°C
• Pfnr with RBS-Amil CP-Term in pSB1C3 with O2 at 30°C
• Pfnr with RBS-Amil CP-Term in pSB1C3 without O2 at 30°C
• NirB with RBS-LacZ-Term in pSB1C3 with O2 with Xgal at 37°C
• NirB with RBS-LacZ-Term in pSB1C3 without O2 with Xgal at 37°C

We also purify Pfnr with RBS-Amil CP-Term in pSB1C3 in liquid culture at 37°C using :

• Pfnr with RBS-Amil CP-Term in pSB1C3 in aerobic conditions :
  • LB : 10 mL
  • Clone : 1 and 2

• Pfnr with RBS-Amil CP-Term in pSB1C3 in anaerobic conditions :
  • LB : 50mL
  • Clone : 1 and 2

2 - Colony PCR of Pfnr with RBS_AmilCP-Term in DH5α

XiaoJing

We mix our colonies in 20µL of H2O.

Used quantities :

• DNA : 2µL
• Mix : (it was divided in 4 tubes for 4 different colonies for each assembly with 23µL of mix in each tube. We do it twice.)
  • Oligo 43 : 14µL
  • Oligo 44 : 14µL
  • dNTP : 14µL
  • Buffer Dream Taq : 69µL
  • Dream Taq : 5.5µL
  • H2O : 577µL

3 - Digestion of BBa_K1155000, BBa_K1155003, BBa_K1155007 by Xbal/PstI

XiaoJing

We used clone 9 and 12 for BBa_K1155003, clone 10, 11 and 15 for BBa_K1155007

Used quantities :

• BBa_K1155003, BBa_K1155007
  • DNA : 14µL
  • Buffer FD : 2µL
  • XbaI FD : 2µL
  • PstI FD : 2µL

• BBa_K1155000 :
  • DNA : 5µL
  • Buffer FD : 2µL
  • SpeI FD : 2µL
  • PstI FD : 2µL
  • H2O : 9µL

We incubatethe digestion for 30 minutes at 37°C.

4 - Electrophoresis to check the digestion of BBa_K1155000 by PstI/SpeI, BBa_K1155003, BBa_K1155007 by Xbal/PstI

XiaoJing

Expected sizes :

• RBS-LacZ-Term : 3500bp
• RBS-Amil CP-Term :

Expected sizes :

• Pfnr :

5 - Gel purification of the digestion of BBa_K1155000 by PstI/SpeI, BBa_K1155003, BBa_K1155007 by Xbal/PstI

XiaoJing

Protocol : [http://www.mn-net.com/tabid/1452/default.aspx Gel purification ]

Nanodrop :

• Pfnr : 26.2ng/µL

6 - Electrophoresis to check the gel purification of the digestion of BBa_K1155000 by PstI/SpeI, BBa_K1155003, BBa_K1155007 by Xbal/PstI

Damir

Expected sizes :

• RBS-LacZ-Term : 3500bp
• RBS-Amil CP-Term :

7 - Electrophoresis to check the digestion of BBa_K1155004, BBa_K1155005, BBa_K1155006 by SpeI/PstI and plasmids already digested by SpeI and after digested by PstI

XiaoJing

Expected sizes :

• NarK, NarG, NirB : 200bp

Objective : obtaining Pfnr, NarK, NarG or NirB and RBS-LacZ-Term or RBS-AmilCP-Term in pSB3K3

1 - Digestion of BBa_J04450 by EcoRI/PstI

Anaïs

Used quantities :

• Buffer FD: 2µL
• H2O : 5µL
• DNA : 9µL
• EcoRI FD : 1µL
• PstI FD : 1µL

We let the digestion at 37°C during 10 minutes.

2 - Electrophoresis to check the digestion of BBa_J04450 by EcoRI/PstI

XiaoJing

Expected sizes :

• pSB3K3 : 2750bp

3 - Gel purification of the digestion of BBa_J04450 by PstI/SpeI

XiaoJing

Protocol : [http://www.mn-net.com/tabid/1452/default.aspx Gel purification ]

Nanodrop :

• Pfnr : 7.2ng/µL

A - Aerobic/Anaerobic regulation system / B - PCB sensor system

Objective : obtaining FRN and BphR2 proteins

1 - Colony PCR of FNR, RBS-FNR and RBS-BphR2 in DH5α

XiaoJing

We mix our colonies in 20µL of H2O.

Used quantities :

• DNA : 2µL
• Mix : (it was divided in 8 tubes for 8 different colonies for each assembly with 23µL of mix in each tube. We do it twice.)
  • Oligo 43 : 27.5µL
  • Oligo 44 : 27.5µL
  • dNTP : 27.5µL
  • Buffer Dream Taq : 137.5µL
  • Dream Taq : 11µL
  • H2O : 1144µL