Used iGEM thermocycler setting: PFU.
Lane | Sample | Volume Sample (µL) | Volume Loading Dye (µL) |
1 | xylE F-S 1 | 5 | 1 |
2 | xylE F-S 2 | 5 | 1 |
3 | xylE F-S 3 | 5 | 1 |
4 | xylE F-S 4 | 5 | 1 |
5 | xylE F-S 5 | 5 | 1 |
6 | xylE F-S 6 | 5 | 1 |
7 | 100bp Ladder (NEB) | 0.5 | 1(+5 H20) |
8 | xylE S-F 1 | 5 | 1 |
9 | xylE S-F 2 | 5 | 1 |
10 | xylE S-F 3 | 5 | 1 |
11 | xylE S-F 4 | 5 | 1 |
12 | xylE S-F 5 | 5 | 1 |
13 | xylE S-F 6 | 5 | 1 |
14 | Empty | | |
15 | PCR of K118021-B0015 (ADS) | 1 | 1 |
16 | Empty | | |
17 | Empty | | |
Results:
- Both KG PCR (Standard-Fusion and Fusion-Standard) amplified
- ADS PCR Amplified, but no insert present.
September 23, 2010
JV
Objective: Characterized catechol degradation by xylE enzyme
Method: Measured absorbance of catechol (275nm) and 2-hydroxymuconate semialdehyde (380nm).
- Protocol:
- 1) Grow cells in M9 minimal medium
- 2) Take 1/10 dilution of cells
- 3) Introduce 1µL of 0.05M catechol solution into the cell dilution. (Final concentration of 50µM;).
- 4) Quench the reaction with 5A% w/v trichloroacetate at certain time points. (0,15sec, 30sec, 45sec, 60sec, 2min, 3min, 4min, 5min, 10min).
- 5) Spin down cells.
- 6) Measure absorbance of supernatant.
Results: Cuvette used interfered with Spectra.
ADS
NOTE: In all transformations, heat shock step was missed. HOWEVER, all transformations showed significant number of colony forming units.
Objective: Move xylE (two biobrick; one with Fusion prefix, one with fusion suffix) into pSB1C3.
Method:
- Restriction of xylE PCR product and pSB1C3 (containing J04450 biobrick) via BioBrick Method using EcoRI-HF and PstI (Enzymes from NEB)
- Ligation of xylE PCR product and pSB1C3 via BioBrick Method using T4 DNA ligase (Enzyme from NEB)
- Transform into Subcloning Efficiency Compentent DH5α Cells (Invitrogen)
Results: TBD
Follow-up: TBD
Objective: Create glycerol stocks of BBa_J04450 in pSB1A3 and pSB1T3 for use in RFP-BioBrick Assembly.
Method: Transform into Subcloning Efficiency Competent DH5α Cells (Invitrogen)
Obtained all plasmid DNA from 2010 Kit Plate 1
- J04450 in pSB1A3 - Well 1C
- J04450 in pSB1T3 - Well 7A
Results: Obtained TNTC colonies
Follow-up:
- Grow overnight cultures
- Generate Glycerol Stocks
- Generate Plasmid DNA via Maxiprep
Objective: Create glycerol stocks of received synthesized (Mr. Gene) signal peptides.
Method: Transform into Subcloning Efficiency Competent DH5α Cells (Invitrogen) plasmid DNA containing the following BioBricks:
- 1) BBa_K331007 - β-lactamase Bla Signal Sequence
- 2) BBa_K331008 - Outer Membrane Protein ompA
- 3) BBa_K331009 - Heat Stable Toxin I
- 4) BBa_K331012 - Penicillin Binding Protein DacA
- All inserts in pMA-T vector (Standard Mr. Gene vector)
Results: Obtained TNTC Cells
Follow-up:
- 1) Grow overnight cultures
- 2) Purify pDNA
- 3) Move into pSB1C3 plasmid
- 4) Verify sequence
- 5) Submit to registry for sequencing
TF, MC
Objective: Obtain a preparation of J04450 (RFP).
ethod: Used Plasmid DNA Purification by Alkaline Lysis (Large Scale AKA Maxiprep protocol.
September 24, 2010
ADS
Objective: Generate plasmid DNA of BBa_E1010 for downstream PCR
Method: Transform plasmid DNA into Subcloning Efficiency Competent DH5α Cells (Invitrogen)
DNA obtained from 2010 Kit Plate 1 Well 18F (E1010 in pSB2K3)
Results: Obtained TBD colonies
Follow-up:
- Grow overnight cultures (Generate glycerol stocks)
- Purify plasmid DNA (Generate pDNA stocks)
- PCR to add terminal fusion standards
Objective: Create glycerol stocks of J04450 in pSB1K3 for use in RFP-BioBrick Assembly.
Method: Transform into Subcloning Efficiency Competent DH5α Cells (Invitrogen)
Obtained plasmid DNA from 2010 Kit Plate 1 well 5A (J04450 in pSB1K3)
Results: Obtained TNTC colonies
Follow-up:
- Grow overnight cultures
- Generate Glycerol Stocks
- Generate Plasmid DNA via Maxiprep
September 25, 2010
JV
Objective: Extract Plasmid DNA from DH5α cells.
Method:Qiagen spin column protocol.
Cells containing plasmids were put into glycerol stocks and put into HJ's -80oC.
ADS
Objective: Move plasmid DNA made by JV (above, Sept 25, 2010) into pSB1C3 for submission to the Standard Registry of Parts.
Method:
- 1) Digest at 37o for 10 min with PstI and EcoRI:
- 2) Heat Kill at 80oC for 20 min
- 3) Mix 2µL of pSB1C3 with each biobrick, ligate with T4 DNA ligase for 10 min
- 4) Transform into subcloning efficiency DH5α cells, plate on ampicillin plates.
Results: Obtained RESULT!!! positive colonies
Objective: Assemble KG's C-terminal fusion xylE (BBa_K331021) (UNCONFIRMED) and C-terminal Arginine + dT (BBa_S04261) to create BBa_K331011.
Method:
- 1) Digest at 37o for 10 min:
- 2) Heat Kill at 80oC for 20 min
- 3) Mix 2µL of pSB1C3 with each biobrick, ligate with T4 DNA ligase for 10 min
- 4) Transform into subcloning efficiency DH5α cells, plate on ampicillin plates.
Results: Obtained RESULT!!! positive colonies
September 26, 2010
ADS
Objective: Purify plasmid DNA from 5mL cultures grown from transformations of KG's ligated PCRs containing (UNCONFIRMED) BBa_K331020 and BBa_K331021.
Method: Used Qiagen spin column method with BioBasic EZ-10 spin columns.
Objective: Assemble the following:
Method:
Incubate each at 37oC for 10 min
Heat kill at 80oC for 20 min
Ligate with T4 Ligase for 10 min at room temperature
Transform into DH5&alpha subcloning efficiency cells
Results: Obtained RESULTS!!!! positive colonies.
Also analyzed minipreps on 1.5% TAE Agarose Gel
GEL!!!
September 29, 2010
ADS
Received synthesized parts from Mr. GENE (all in pMA vectors)
Each tube contained 5µg pDNA; reconstitute in 50µL of TE buffer to get 100ng/µL concentration
Transform 1µL into DH5α subcloning efficiency cells
Obtained TNTC colonies
Started overnight 5mL cultures for miniprep and insertion into pSB1C3 vector.
AV
Objective: PCR the N-term fusion tag onto RFP (E1010) using sloppy annealing of the YFP/CFP fusion primers.
Composition of each PCR tube:
Component | Volume(µL) |
10x Pfu Buffer w/ MgSO4 | 2 |
dNTP (10mM) | 1 |
N-term Fus Prefix | 1 |
Biobrick Suffix | 1 |
MilliQ H2O | 12.8 |
Template DNA (J04450) | 2 |
Pfu DNA Polymerase | 0.2 |
PCR conditions:
Step | Temperature (oC) | Time (mins) | Number of cycles |
Initial Denaturation | 95 | 2 | 1 |
Denaturation | 95 | 0.5 | 25 |
Annealing | 47.6, 50.5, 53.8 (gradient) | 0.5 | 25 |
Extension | 72 | 2 | 25 |
Final Extension | 72 | 10 | 1 |
Results: Gel has not been run. Have decided to order RFP specific primers for next year.