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Week 12: 2nd September - 8th September

Creation of a E. Coli ΔFur

02/09/13
04/09/13
We picked colonies from our four plates, that we grew overnight at 42°C, to plate each of them on one plate with kanamycin

TECAN

02/09/13
To further improve the interpretability of the plate reading, we need to transfer our construction from a BL21 to a TOP10 strain. As a start, we transformed the following constructions:

We did not have anymore AceB with GFP plasmid available to realize the transformation. We pre-cultured a remaining glycerol stock at 37°C overnight:

03/09/13

The transformations succeeded and were able to conserve in a glycerol all our strains.
Also, we isolated the plasmid AceB-GFP from the

Plasmid 3

We launch another PC to get Enterobactins A, B, C, D, E and F genes. Add the recquired primers in each tube:

1. EntA: primers 065 and 066
2. EntB: primers 067 and 068
3. EntC: primers 069 and 070
4. EntD: primers 071 and 072
5. EntE: primers 073 and 074
6. EntF: primers 075 and 076
7. Positive controle: primers 009 and 010
8. Negative controle: primers 009 and 010

We use pEntC as our controle.
For more details about our primers, see the corresponding page.
We then prepared a master mix 1 with:

• 9 x 27,5 = 247,5 µL of distilled water
• 9 x 1 = 9 µL of dNTPs
• 9 x 10 = 90 µL of Q5 Buffer
• 9 x 0,5 = 4,5 µL of Q5 For the negative controle, we added 1 µL of distilled water in tube 8 and 39 µL of master mix 1.
  For other tubes (6 genes and positive controle), we added 8 µL of genomic DNA in the master mix 1. Then add 40 µL of master mix 1' in each tube.
  

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