Team:LMU-TUM Munich/Labjournal
Labjournal
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Week Test
Monday, April 22nd
Transformation of E. coli XL1 blue with Phytochrome B (2-908 N-terminal amino acids) (BBa_K801031, RFC25, pSB1C3)
Investigator: Jeff, Rosario
Aim of the experiment: Transformation of Phytochrome B for protein fusion.
Procedure:
- CaCl2 competent E. coli XL1-Blue cells were put out from the stock in -80 °C freezer and were gently thawed on ice.
- 2 µl of DNA was added to 100 µl of competent cells and gently mixed.
- 30 min incubation on ice
- 5 min. heat shock at 37 °C
- Adding of 1 ml LB-medium to each tube.
- Incubation for 45 min at 37 °C in the 180 rpm cell-culture shaker.
- 100 µl of the cell suspension was plated on one chloramphenicol plate.
- The rest were centrifuged for 1 min at 13000 rpm and the supernatant was dicarded.
- The pellet was resuspended in 100 µl of LB-medium and this concentrated cell suspension was plated again on a new chlorampenicol plate.
Miniprep of pTUM100 with pGAL, pTEF1, pTEF2, pADH and RFC25 compatible RFP generator
Investigator: Jeff, Rosario
Aim of the experiment: Miniprep of pTUM100 with pGAL, pTEF1, pTEF2, pADH and RFC25 compatible RFP generator
Procedure:
- Miniprep was performed after manufacturer's protocol (QIAprep Miniprep, QIAGEN)
Sequencing of RFP-Generator (RFC25, pSB1C3)
Investigator: Jeff, Rosario
Aim of the experiment: Sequencing of RFP-Generator (RFC25, pSB1C3)
Procedure:
Sequencing batch were prepared after manufacturer's protocol. (15 µl of plasmid DNA (50 - 100 ng) and 2 µl sequencing primer)
Tuesday, April 23rd
Picking of of E. coli XL1 blue with Phytochrome B (2-908 N-terminal amino acids) (BBa_K801031, RFC25, pSB1C3)
Investigator: Jeff, Rosario, Florian
Aim of the experiment: Picking of of E. coli XL1 blue with Phytochrome B (2-908 N-terminal amino acids) (BBa_K801031, RFC25, pSB1C3)
Procedure:
- pSB1C3 plasmid with BBa_K801031 (PhyB 2 - 908 aa, RFC25): Colonies were picked from chloramphenicol plates.
- Picked pipette tips was transferred into cell-culture tubes with air-permeable, sterile cover. Each tube contain 4 mL of LB-medium + 4 µL chloramphenicol(1000x).
- 4 colonies were picked.
- These tubes were transferred in a cell culture shaker at 37 °C and were incubated overnight
Analytical digestion and gelelectrophoresis of RFP-generator (RFC25, pSB1C3, P4 & P5)
Investigator: Jeff, Rosario, Florian
Aim of the experiment: Analytical digestion and gelelectrophoresis of RFP-generator (RFC25, pSB1C3, P4 & P5).
Procedure:
- Batch for analytical digestion for P4 with NgoMIV+AgeI-HF
| volume | reagent |
| 2.5 µl | Plasmid DNA P4 |
| 2 µl | NEBuffer 4 (10x) |
| 0.25 µl | NgoMIV (10 U/µl) |
| 0.25 µl | AgeI-HF (20 U/µl) |
| 15 µl | ddH2O |
| =20 µl | TOTAL |
- Batch for analytical digestion for P5 with NgoMIV+AgeI-HF
| volume | reagent |
| 2.5 µl | Plasmid DNA P5 |
| 2 µl | NEBuffer 4 (10x) |
| 0.25 µl | NgoMIV (10 U/µl) |
| 0.25 µl | AgeI-HF (20 U/µl) |
| 15 µl | ddH2O |
| =20 µl | TOTAL |
- Incubation for 90 min at 37 °C.
- Analytical gelelectrophoresis was performed at 90 V for 60 min.
Results:
| 1 kbp ladder DNA ladder | P4 | P5 |
| Mutation successful | Mutation successful! |
- Parts are compliant and do not contain RFC25 forbidden restriction sites.
Sequencing of pTUM vectors with pGAL, pADH, pTEF1, pTEF2
Investigator: Jeff, Rosario, Florian
Aim of the experiment: Sequencing of pTUM vectors with pGAL, pADH, pTEF1, pTEF2
Procedure:
Sequencing batch were prepared after manufacturer's protocol. (15 µl of plasmid DNA (50 - 100 ng) and 2 µl sequencing primer).
The different vectors we sequenced received the following barcodes:
- ADH in pTUM100: FR01002265
- TEF1 in pTUM100: FR01002266
- TEF2 in pTUM100: FR01002266
- GAL in pTUM100: FR01002268
Sequencing of TEF2 in pTUM100 was not interpretable. The other sequences were consistent with the sequences in the parts registry.
Wednesday, April 24th
Miniprep of Phytochrome B (2-908 N-terminal amino acids) (BBa_K801031, RFC25, pSB1C3)
Investigator: Jeff, Florian
Aim of the experiment: Miniprep of Phytochrome B (2-908 N-terminal amino acids) (BBa_K801031, RFC25, pSB1C3).
Procedure:
- Miniprep was performed after manufacturer's protocol (QIAprep Miniprep, QIAGEN)
Analytical digestion and gelelectrophoresis of Phytochrome B (2-908 N-terminal amino acids) (BBa_K801031, RFC25, pSB1C3), P7 - P10
Investigator: Jeff, Florian
Aim of the experiment: Analytical digestion and gelelectrophoresis of Phytochrome B (2-908 N-terminal amino acids) (BBa_K801031, RFC25, pSB1C3), P7 - P10.
Procedure:
- Batch for analytical digestion for P7 with NgoMIV+AgeI-HF
| volume | reagent |
| 2.5 µl | Plasmid DNA P7 |
| 2 µl | NEBuffer 4 (10x) |
| 0.25 µl | NgoMIV (10 U/µl) |
| 0.25 µl | AgeI-HF (20 U/µl) |
| 15 µl | ddH2O |
| =20 µl | TOTAL |
- Batch for analytical digestion for P8 with NgoMIV+AgeI-HF
| volume | reagent |
| 2.5 µl | Plasmid DNA P8 |
| 2 µl | NEBuffer 4 (10x) |
| 0.25 µl | NgoMIV (10 U/µl) |
| 0.25 µl | AgeI-HF (20 U/µl) |
| 15 µl | ddH2O |
| =20 µl | TOTAL |
- Batch for analytical digestion for P9 with NgoMIV+AgeI-HF
| volume | reagent |
| 2.5 µl | Plasmid DNA P9 |
| 2 µl | NEBuffer 4 (10x) |
| 0.25 µl | NgoMIV (10 U/µl) |
| 0.25 µl | AgeI-HF (20 U/µl) |
| 15 µl | ddH2O |
| =20 µl | TOTAL |
- Batch for analytical digestion for P10 with NgoMIV+AgeI-HF
| volume | reagent |
| 2.5 µl | Plasmid DNA P10 |
| 2 µl | NEBuffer 4 (10x) |
| 0.25 µl | NgoMIV (10 U/µl) |
| 0.25 µl | AgeI-HF (20 U/µl) |
| 15 µl | ddH2O |
| =20 µl | TOTAL |
- Incubation for 90 min at 37 °C.
- Analytical gelelectrophoresis was performed at 90 V for 60 min.
Results:
| 1 kbp ladder DNA ladder | P7 | P8 | P9 | P10 |
| Part is correct | Part is correct | Part is correct | Part is correct |
Transformation of E. coli XL1 blue with
Investigator:
Aim of the experiment: Transformation of E. coli XL1 blue.
Procedure:
- CaCl2 competent E. coli XL1-Blue cells were put out from the stock in -80 °C freezer and were gently thawed on ice.
- µl of DNA was added to 100 µl of competent cells and gently mixed.
- 30 min incubation on ice
- 5 min. heat shock at 37 °C
- Adding of µl LB-medium to each tube.
- The cell suspension was plated on ampicillin plates (inclusive rescue plate) and incubated over night at 37 °C in the cell-culture shaker.
Week 2
Thursday, June 23rd
Miniprep of E. coli Xl1-Blue transformed with ligation product P80/81 (mRuby3 K1/2), P82/83 (EspP K1/2), P84/85 (StrepTag K1/2) and Trafo of K157001
Investigator: Jan, Julian
Aim of the experiment: Miniprep of E. coli Xl1-Blue transformed with ligation product F50(K1,2), F51(K1,2), F52(K1,2) and Trafo of K157001 Procedure:
- Miniprep was performed after manufacturer's protocol (QIAprep Miniprep, QIAGEN)
- Concentrations:
| Plasmid | c [ng/µl] |
| P80 | 432,7 |
| P81 | 294,8 |
| P82 | 450,5 |
| P83 | 479,0 |
| P84 | 108,0 |
| P85 | 356,0 |
| P86 | 47,2 |
Friday, June 24th
Analytical digestion and gelelectrophoresis of P83 (EspP K2) and P83 (StrepTag K2)
Investigator: Julian, Niklas, Luisa
Aim of the experiment: Analytical digestion and gelelectrophoresis of P82/83 (EspP K1/2) and P84/85 (StrepTag K1/2).
Procedure:
- Batch for analytical digestion for P82-P85 with EcoRI-HF
| volume | reagent |
| 0.5/1.0 µl | Plasmid DNA (-/P84) |
| 1 µl | CutSmart buffer (10x) |
| 0.5 µl | EcoRI-HF(10 U/µl) |
| 8/7.5 µl | ddH2O (-/P84) |
| =10 µl | TOTAL |
Sequencing of P80(mRuby3 K1), P83 (EspP K2) and P85 (StrepTag K2)
Investigator: Julian
Aim of the experiment: Sequencing of P80(mRuby3 K1), P83 (EspP K2) and P85 (StrepTag K2)
Procedure:
Sequencing batch were prepared after manufacturer's protocol. (15 µl of plasmid DNA (50 - 100 ng) and 2 µl sequencing primer). Sequencing primer VF2 was used
The different vectors we sequenced received the following barcodes:
- mRuby3 in pSB1C3 (P80): FR11326590
- EspP in pSB1C3 (P83): FR11326588
- Streptag in pSB1C3 (P85): FR11326587
Transformation of E. coli XL1 blue with F64 (quickchanged P3(pSAm1))
Investigator: Niklas
Aim of the experiment: Transformation of E. coli XL1 blue.
Procedure:
- CaCl2 competent E. coli XL1-Blue cells were put out from the stock in -80 °C freezer and were gently thawed on ice.
- 10 µl of DNA was added to 100 µl of competent cells and gently mixed.
- 30 min incubation on ice
- 5 min. heat shock at 37 °C
- Adding of 750 µl LB-medium to each tube.
- The cell suspension was plated on ampicillin plates (inclusive rescue plate) and incubated over night at 37 °C in the cell-culture shaker.
--> Quickchange did not work, do again, than new transformation!
Gelextraction of F67(BirA), F68(mRuby), F69(EGFR-TMD), F70(pSB1C3) and F71(pSB1C3)
Investigator: Niklas
Aim of the experiment: Gelextraction of F67(BirA(Digest. F59 [EcoRI; SpeI])), F68(mRuby(Digest. F60 [NgoMIV; SpeI])), F69(EGFR-TMD(Digest. F60 [NgoMIV; SpeI]), F70(pSB1C3(digest. P74 [NgoMIV; SpeI]) and F71(pSB1C3(digest. P74 [EcoRI; SpeI])
Procedure:
Gelextraction was performed by manufacturers protocol (Qiagen).
