Team:DTU-Denmark/Notebook/11 July 2013

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Contents

208

Main purpose

Who was in the lab

Ariadni,Henrike,Julia,Jakob

Procedure

Combine Nir operon with pZA21

Following Mathildes Protocol for DpnI digestion of our linear pZA21 w. Uracil incerts

Mastermix for 7 PCR tubes, Using the mastermix protocol we got from Mathilde.

triplets of each of the two Nir Operon extracts that we have made yesterday, including one negative control:

  • Nir 2a(I,II,III)
  • Nir 2b(I,II,III)

Using the following PCR program:

timeTemp C
Denaturing2 min98
start of loop 10 sec 98
annealing30 sec60
elongation9 min72
goto start of loop 35 times
hold 10

PCR for promoter test

We want to test the inducible AraBAD promoter using plasmid pZA21 without its native promoter and RFP gene. We performed 3 different PCR reactions using user primers. Samples are named:

  • 1,2,3 -> pZA21 with no native promoter - Primers 13a and 13b, template pZA21 miniprep
  • 4,5,6 -> RFP - Primers 14a and 14b, template RFP in pZE21 miniprep
  • 7,8,9 -> AraBAD promoter - Primers 12a and 12b, template biobrick K808000

Settings for PCR of 1,2,3

Temperature (oC) Time (min) Rounds
98 2:00 1
98 0:20 35
58 0:45 35
72 2:00 35
72 5:00 1
10 -

Settings for PCR of 4-9

Temperature (oC) Time (min) Rounds
98 2:00 1
98 0:20 35
61 0:45 35
72 1:00 35
72 5:00 1
10 -

Gel analyses of Nir operon, PCR product from 10-07-2013

We run 0,8% agarose gel with 9 samples.

Result

0.8 % Agorase Gel (Nir operon)

Wells

  • 1: Nir extension time 2:00
  • 2: Nir extension time 2:00
  • 3: Nir extension time 2:00
  • 4: Nir extension time 3:00
  • 5: 1kb ladder
  • 6: Nir extension time 3:00
  • 7: Nir extension time 3:00
  • 8: Nir extension time 4:00
  • 9: Nir extension time 4:00
  • 10: Nir extension time 4:00

2013-07-11 Nir PCr results.jpg