IGEM:UBC/2009/Notebook/UBC iGEM 2010/2010/06/10

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Eric F.

Making AMP Plates

  • 20 mL of LB Agar was poured w/o Ampicilin so that a stab of Agar could be used to send to Tec
  • 380 μL of Ampicilin was used for the remaining LB agar (1 μL per mL)
  • 15 Amp LB Agar plates are now being stored in the walk in fridge
  • 1 LB Agar Only plate is now being stored in the walk in fridge


  • BW27783 was spread onto a stab of LB agar in a microcentrifuge tube using a pipette tip
  • Microfuge tube is being incubated at 37 degree in the biohazard room incubator (in at 3:54pm)
    • Want to see some growth before sending it off


=PCR Screening of Transformed Cell Colonies

1. Below is the code for each transformed cell colony. Ex: F1a F is the part type (fluorescent protein), 1 is the part number, and a is the colony location (noted on plate))

F1=part BBa_E0040 F2=BBa_E1010 F3=BBa_E0020 F4=E0030

C1=BBa_I74033 (Constitutive promoter) C2=BBa_I74044

R1=BBa_J61107 (RBS)

T1=BBa_B1006 (Forward terminator) T2=BBa_B0011 (Bi directional terminator) T3=BBa_B00211 (Bi directional terminator)

P1: BBa_I146104

See below for the recipe for the PCR reagents (inserting table later):

Name                         1X Volume μL                                     35.2 X Volume (Master Mix)            
10 μM VF2                    1.25                                             44.0               
10 μM VR                     1.25                                             44.0
10 dNTP                      0.50                                             17.6

2. The samples were put in the PCR machine with the following steps:

1. 95°C--10 min 2. 95°C--30 secs 3. 56°C--30 sec 4. 72°C--1 min 5. Repeat 1-4 30 times 6. 68°C--20 min 7. Hold at 4°C

Total time of the PCR reaction: 1 h 30 minutes.

3. Afterwards, 5 μL of DNA from the PCR reaction (from each colony) was mixed with 1 μL loading dye. A 100 bp ladder was diluted 3 μL in 20 μL total volume with sdH20. 5 μL was then mixed with 1 μL loading dye. The ladder and PCR reaction products (mixed with loading dye) were then loaded into a gel box and run for 45 minutes at 100 V. The gel contained 0.8% agarose in 0.5 X TBE. The electrophoresis buffer was also 0.5 X TBE.

The electrophoresis results after 45 minutes show expected banding for every part(showing the part should exist within the transformed colonies). It was expected that the F# parts should have a single band around 1 kb (compared to ladder). All other parts have a single band at 350-450 kb, which was visible.

The exception was F3 (BBa_E0020), where no bands were visible. Due to the presence of satellite colonies, F4 was not colony PCR'd.