Team:UANL Mty-Mexico/Notebook

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Notebook

Reference Data

Part Name Part Short name In pSB1A3 (bp) In pSB1C3 (bp) In PUC57 (bp) Part size (bp)
RBS + TetR TetR 2925 2802 3478 732
pLac + GFP GFP 3162 3034 3715 964
pCons LacI LacI 3483 3352 4036 1,282
pTetR + mCherry mCherry 3107 2957 3660 887
BBa_K1140005 3-E1 2811 --- --- 935

This table works as a reference of the parts that were used in the laboratory and in the diary. We have a short name for each part so for example, if a diary entry says "TetR" we mean the complete part "RBS + TetR". Another important aspect is that we were working with the plasmids pSB1C3, pSB1A3 and PUC57 so here there is the information about the length of the part and the length in each plasmid.


August 4th, 2013

Today we prepared solutions in order to start working on the lab the following day. The solutions will be required for the MiniPrep, Transformation. We also prepared aliquots, mQ water with RNAse, etc.


August 5th, 2013

Today we started with the transformations of the synthetic DNAs that just arrived.


August 6th, 2013

We inoculated the colonies obtained from the transformations.


August 7th, 2013

This day we did Minipreparation of DNA. The parts that were obtained were the following: LacI, GFP, mCherry, TetR and 3-1E


August 8th, 2013

Test of mCherry with Thermo-mixer-Cualitative experiment

20 Colonies of the dish with pTet-R-mCherry were planted in 0.5 mL of Agar with Kanamycin in order to observe the red color after several hours at 42ᵒ C. The experiment was performed following these parameters.

Start End Hours
37ºC 2:50 pm 7:02 pm 4 hr 12 min
42ºC 7:05 pm 10:35 am 15 hr 40 min

Most tubes shown development seeing them on the light but there was no color shown.


August 10th, 2013

20 tubes with mCherry were put in the shaker with 2 controls with CDS (with oxygen everyone), following these parameters:
    • Temperature: 37ᵒC
    • Revolutions: 900 rpm
    • Start: 11:35 am -> 9:00 am (Time 21: 35 hours)
  • The tubes show mCherry expression, some more intense than others.The experiment was repeated at 30°C OVERNIGHT with a volume of 500µL at 30°C with tubes of 1.5ml. They were left at 4°C meanwhile they were incubated.

    Set Temperature Velocity Time Live
    Black Set 42ºC 900rpm 15 hours :(
    Blue Set 37ºC 900rpm 21 hours :)
    Red Set 32ºC 900rpm :)

    Time 10:25 – 9:15 = 22:50 hrs


    August 12th, 2013

    The experiment was repeated at 42°C with oxygen. It began at 2:15 pm and ended at 1:20 pm


    Figure 1. Tubes with the mCherry pellet that were incubated at 42ºC.


    August 16th, 2013

    Electrophoresis gel of the digestions from 15/08/13


    Figure 2. Electrophoresis gel of the digestions from 15/08/13


    DNA 1x 5x
    DNA 2µL
    EcoRI 0.3µL 1.5µL
    PstI 0.3µL 1.5µL
    Buffer O 1µL 5µL
    10µL 50µL

    August 18th, 2013

    there where no colonies present from the previous day.

    Ligation with a 1:1 ratio DNA:Vector. Is was performed with the following parameters:

    Size (bp) Vector DNA:Vector
    pTetR 768 2.8 0.33/1
    pConsLac1 1326 1.6 0.62/1
    pTetRmCherry 960 2.2 0.45/1
    pLac1GFP 1005 2.1 0.47/1

    August 19th, 2013

    This ligation was not sucessful in the transformation.

    Dishes of:PTetmCherry, PConsLac, TetR, PLacGFP, 3-1E were planted again.


    August 26th, 2013

    All the dishes were transformed but only the PLacGFP grew succesfully.


    August 28th, 2013

    Today we picked up colonies from the dishes from the previous day. We also prepared new competent cells.


    August 29th, 2013

    All the dishes were succesfully transformed and we planted in petri dishes. We got colonies of all the parts, they grew in the test tubes and miniPrep was done.


    August 30th, 2013

    The MiniPrep was succesful and we did digestions with EcorI. Transformations (one tube each one): TetR, pConLac1, TetRmCherry, 3-1E, pLacGFP. *They were planted with Ampicilin.


    Figure 3. Electrophoresis gel from the August 30 miniPreps


    August 31th, 2013

    MiniPrep and digestions from the ones of 08/30/2013. We didn't obtained any construction.

    Transformations (one tube each one): TetR, pConLac1, TetRmCherry, 3-1E, pLacGFP

    *They were planted with Ampicilin.


    September 11th, 2013

    Digestions with EcoRI and PstI and Ligations


    September 12th, 2013

    We didn't obtained any part so we started again transforming them one more time.


    September 13th, 2013

    There were no results presented so we transformed again.


    September 14th, 2013

    We got no results in the construction desired.


    September 19th, 2013

    Quantification with the Nanodrop of the previous samples


    Ng/µL 260/280
    pSB1C3 1293.4 1.99
    GFP 133.5 1.84
    TetR 119.6 1.78
    tRFP 104.3 1.74
    pConsLac 130.5 1.59

    September 20th, 2013

    We prepared new calcium competent cells.


    September 23th, 2013

    We did the transformations again for all the parts.


    September 24th, 2013

    Again there where no results.


    *The constructions with the pSB1A3 and pSB1C3 showed no results but the controls with PUC were fine and did work in our experiments.


    Stability

    For the stability experiments the tests were performed from September 14 to 20. The protocols are in the section of Safety. Click here


    For the fluorescence experiments the tests were performed from September 10 to 27. The protocols are in the section of Wetlab. Click here


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