Team:University College London/LabBook/Week15

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'''Step 2''' – Inoculating Colonies into a Selective Broth.  We had colonies on all the plates. We picked we picked 2 colonies from plates 1 and 2 and 4 colonies from plate 3 and 4. We grow all 12 colonies overnight.The table below indicates the volume of broth and the concentration of antibiotic required.  
'''Step 2''' – Inoculating Colonies into a Selective Broth.  We had colonies on all the plates. We picked we picked 2 colonies from plates 1 and 2 and 4 colonies from plate 3 and 4. We grow all 12 colonies overnight.The table below indicates the volume of broth and the concentration of antibiotic required.  
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Revision as of 19:52, 26 September 2012

Contents

15.1

Moday (17.09.12) 3A assembly


Aim – Start 3A assembly to ligate:

  • the first (BBa_K729004 and plasmid backbone PSB1C3 ) and second ( BBa_J23119 +BBa_0034) construct
  • the first (BBa_K729003 and plasmid backbone PSB1C3 ) and second ( BBa_J23119 +BBa_0034) construct
  • the first (plasmid backbone PSB1K3 and BBa_K118011 ) and second ( BBA_I746916 and plasmid backbone PSB1K3) construct
  • the first (plasmid backbone PSB1K3 and BBa_K118011 ) and second ( BBA_I746916 and plasmid backbone PSB1K3) construct
  • pstA promoter (BBA_I719005) and the GFP (BBA_I712069)
  • the Biobricks BBa_I746909 and BBa_K729007 to generate a Biobrick that contains pcstA-T7RNAP-pT7-GFP-TT


Gel 1 table 1week 15.png


Conclusion: The bands that we obtained on the gel did not correspond to the sizes we were expecting. For most of the samples we could clearly see a band at around 2000 which most probably is the backbone. These confusing results may be due to mistakes during the ligation or the enzyme digestion. Contamination is another possible reason for these results.



Gel 1 table2week15.png

15.2

Gel2table1week15.png


Gel2table2week15.png

Conclusion: We have obtained the expected sizes on for the pcstA (BBa_K118011) +RBS-T7RNAP (BBa_I712069) ligation.

15.3

Tuesday (18.09.12)

Aim – We would like to ligate BBa_I746909 to BBa_K729007 to obtain the following construct pCstA+RBS+T7RNAP+pT7+RBS+GFP+TT


Step 1 We minipreped the successful ligation of the pcstA (BBa_K118011) +RBS-T7RNAP (BBa_I712069) ligation which is our biobrick BBa_K729007


Step 2 Ligation was performed using the Biobricks BBa_I746909 and BBa_K729007 to generate a Biobrick that contains pcstA-T7RNAP-pT7-GFP-TT.


Step 3 Transformation – we plated 4 plates; plate 1 and 2 were with the transformed BBa_I746909 biobrick and plate 3 and 4 were transformed with our ligation (BBa_I746909+BBa_K729007). We are going to incubate over night at 37C and colonies picking the next day.


Traformationweek15.png

Wednesday (19.09.12)

Aim 1 – Check the result of transformation. We expect to see growth on plates with transformed biobricks and ligations.


Results - The table below indicates that there was growth on all of the plates

Tabletransformationsweek15.2.png.png

Conclusion : The transformations have been successful. Colonies will be picked and inoculated into LB media for overnight culture

Step 2 – Inoculating Colonies into a Selective Broth. We had colonies on all the plates. We picked we picked 2 colonies from plates 1 and 2 and 4 colonies from plate 3 and 4. We grow all 12 colonies overnight.The table below indicates the volume of broth and the concentration of antibiotic required.



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