Team:BCCS-Bristol/Notebook/Week 11

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===Week 11===
 
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====Alternative Assembly Constructs====
 
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*Last week's experiment was repeated with ARabinose induction occuring overnight. Again the FhuA-GFP construct seemed not to be growing.
 
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*Cell concentration assays revealed that the fusion construct was inhibiting E.coli growth. The only GFP control seemed to be growing normally. (see results here)
 
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*To test the inhibition fresh transformants of :
 
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1) AraC-RBS-OsmE
 
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2) AraC-RBS-FhuA
 
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3) AraC-RBS-FhuA-GFP
 
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4) AraC-RBS-GFP-Terminator
 
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were set up. 3 colonies of each were picked and grown overnight. The next day 20ml cultures were set-up for each colony and growth was tested with A600 O.D. every half an hour (pre and post arabinose induction).
 
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* Results indicate that construct 1 and 3 lyse the cells.
 
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==== Bioscaffold Tests =====
 
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* To test for successful mutation 3 colonies of each mutated construct (BpuEI site mutated out) were miniprepped and tested with BpuEI. Unfortunately the enzyme was not working.
 
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* To test the Bioscaffold the mutated construct of AraC-RBS-FhuA-Bioscaffold-GFP was transferred to the pSB2k3 backbone that is compatible with the Bioscaffold specific enzymes. (enzymes used by the bioscaffold A2(BseRI and BpuEI) do not appear in this backbone.
 
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* As a back-up plan, if the mutation was unsuccessful the C-terminal region of GFP will be cut out in order to assess Bioscaffold efficiency.
 

Latest revision as of 23:49, 20 October 2009