Difference between revisions of "Part:BBa K1412014"

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This part consists of a <i>CheZ</i> gene which can express CheZ protein deciding <i>E.coli</i> whether tumble or swim straight. In this light, we can characterize the efficiency of promoter by just change different promoters. Then we can characterize the efficiency of promoter via measuring the migration distance positively associated with the expression strength of CheZ.
 
This part consists of a <i>CheZ</i> gene which can express CheZ protein deciding <i>E.coli</i> whether tumble or swim straight. In this light, we can characterize the efficiency of promoter by just change different promoters. Then we can characterize the efficiency of promoter via measuring the migration distance positively associated with the expression strength of CheZ.
  
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[[File:Characterization_process_design.png|500px]]
  
 
==='''Usage'''===
 
==='''Usage'''===
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<partinfo>BBa_K1412014 SequenceAndFeatures</partinfo>
 
<partinfo>BBa_K1412014 SequenceAndFeatures</partinfo>
  
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==='''Protocol'''===
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===='''Protocol'''====
  
 
'''Genetic link stage'''
 
'''Genetic link stage'''

Revision as of 07:56, 6 October 2014

Characterize the efficiency of pTetR (R0040) with chemotaxis

BBa_K1412014: pTet-RBS(1)-CheZ-TT

This part consists of a CheZ gene which can express CheZ protein deciding E.coli whether tumble or swim straight. In this light, we can characterize the efficiency of promoter by just change different promoters. Then we can characterize the efficiency of promoter via measuring the migration distance positively associated with the expression strength of CheZ.

Characterization process design.png

Usage

When we want to characterize the efficiency of RBS, we usually link the RBS with GFP, then characterize the RBS by just measure the fluorescence intensity of GFP. In our part, you need just link RBS after a Plac promoter and before a CheZ gene, ending with a TT terminator(Plac-RBS(changeable)-CheZ-TT). Then transfer this gene circuit into E.coli (CheZ knocked out), and coat plates, culuture on semi-solid medium to measure the migration diameter of E.coli.

Relevant parts

BBa_K1412000

BBa_K1412005

BBa_K1412006

BBa_K1412007

BBa_K1412614

BBa_K1412801

BBa_K1412829


Notes

Source

BBa_R0040

BBa_B0034

BBa_K629003

BBa_B0015


Sequence and Features


Assembly Compatibility:
  • 10
    COMPATIBLE WITH RFC[10]
  • 12
    COMPATIBLE WITH RFC[12]
  • 21
    COMPATIBLE WITH RFC[21]
  • 23
    COMPATIBLE WITH RFC[23]
  • 25
    COMPATIBLE WITH RFC[25]
  • 1000
    COMPATIBLE WITH RFC[1000]


Protocol

Genetic link stage

1.As a skeleton, TT terminator link with CheZ.

2.Then the skeleton CheZ-TT link to RBS.

3.Next, link RBS-CheZ-TT with promoter Plac.

Characterization stage

1.Transfer the part Plac-RBS-CheZ-TT into E.coli (CheZ knock out), and coat plates, culture for hours to measure the

migration diameter of E.coli.


Reference