Difference between revisions of "Part:BBa K389015"
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<partinfo>BBa_K389015 short</partinfo> | <partinfo>BBa_K389015 short</partinfo> | ||
− | This BioBrick contains a complete VirA/G receptor system with a firefly luciferase (from Promega's pGL4. | + | This BioBrick contains a complete VirA/G receptor system with a firefly luciferase (from Promega's pGL4.10[luc2] vector) under the control of a ''vir'' promoter as reporter gene. |
+ | |||
+ | Input: acetosyringone | ||
+ | |||
+ | Output: expression of [[Part:BBa_K389004 | luciferase]] | ||
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This BioBrick is for testing, characterizing and measuring the VirA/G signaling system. This system contains an unmutated ''virA'', so it is possible to measure how the natural VirA/G system works and reacts. It is also possible to determine the basal transcription of the ''vir'' promoter and its activity after inducing the system with acetosyringone. | This BioBrick is for testing, characterizing and measuring the VirA/G signaling system. This system contains an unmutated ''virA'', so it is possible to measure how the natural VirA/G system works and reacts. It is also possible to determine the basal transcription of the ''vir'' promoter and its activity after inducing the system with acetosyringone. | ||
+ | |||
+ | ===Important parameters=== | ||
+ | <center> | ||
+ | {|{{Table}} | ||
+ | !Experiment | ||
+ | !Characteristic | ||
+ | !Value | ||
+ | |- | ||
+ | |rowspan="4"|[[Part:BBa_K389015:Experience#Transfer function | Transfer Function]] | ||
+ | |Maximum induction level | ||
+ | |2.2 fold | ||
+ | |- | ||
+ | |Maximum induction level reached | ||
+ | |200 µM acetosyringone | ||
+ | |- | ||
+ | |Hill coefficient | ||
+ | |1.09 | ||
+ | |- | ||
+ | |[[Switch Point|Switch Point]] | ||
+ | |31.6 µM acetosyringone | ||
+ | |- | ||
+ | |rowspan="3"|[[Part:BBa_K389015:Experience#Growth functions and Luciferase expression for BBa_K389015 | Doubling time / h]] | ||
+ | |without plasmid | ||
+ | |1.98 | ||
+ | |- | ||
+ | |carrying K389015 | ||
+ | |2.24 | ||
+ | |- | ||
+ | |carrying K389015 with 400 µM acetosyringone | ||
+ | |2.67 | ||
+ | |- | ||
+ | |rowspan="2"|Response time | ||
+ | |Induction: [[Part:BBa_K389015:Experience#Response time | exponential phase]] | ||
+ | |>1 h | ||
+ | |- | ||
+ | |Induction: [[Part:BBa_K389015:Experience#Data Analysis | begin of cultivation]] | ||
+ | |max. induction at OD<sub>600</sub> = 1 +/- 0.5 | ||
+ | |- | ||
+ | |rowspan="3"|[[Part:BBa_K389015:Experience#Plasmid conformation analysis | Conformation analysis]] | ||
+ | |ratio ccc monomer / % | ||
+ | |91 | ||
+ | |- | ||
+ | |ratio ccc dimer / % | ||
+ | |3.7 | ||
+ | |- | ||
+ | |ratio oc forms / % | ||
+ | |5.3 | ||
+ | |- | ||
+ | |} | ||
+ | </center> | ||
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Latest revision as of 08:32, 27 October 2010
VirA/G reporter device luc
This BioBrick contains a complete VirA/G receptor system with a firefly luciferase (from Promega's pGL4.10[luc2] vector) under the control of a vir promoter as reporter gene.
Input: acetosyringone
Output: expression of luciferase
Usage and Biology
This BioBrick is for testing, characterizing and measuring the VirA/G signaling system. This system contains an unmutated virA, so it is possible to measure how the natural VirA/G system works and reacts. It is also possible to determine the basal transcription of the vir promoter and its activity after inducing the system with acetosyringone.
Important parameters
Experiment | Characteristic | Value |
---|---|---|
Transfer Function | Maximum induction level | 2.2 fold |
Maximum induction level reached | 200 µM acetosyringone | |
Hill coefficient | 1.09 | |
Switch Point | 31.6 µM acetosyringone | |
Doubling time / h | without plasmid | 1.98 |
carrying K389015 | 2.24 | |
carrying K389015 with 400 µM acetosyringone | 2.67 | |
Response time | Induction: exponential phase | >1 h |
Induction: begin of cultivation | max. induction at OD600 = 1 +/- 0.5 | |
Conformation analysis | ratio ccc monomer / % | 91 |
ratio ccc dimer / % | 3.7 | |
ratio oc forms / % | 5.3 |
Sequence and Features
Assembly Compatibility:
- 10COMPATIBLE WITH RFC[10]
- 12INCOMPATIBLE WITH RFC[12]Illegal NheI site found at 7
Illegal NheI site found at 30
Illegal NheI site found at 647
Illegal NheI site found at 2581
Illegal NheI site found at 2604 - 21INCOMPATIBLE WITH RFC[21]Illegal BglII site found at 1632
- 23COMPATIBLE WITH RFC[23]
- 25INCOMPATIBLE WITH RFC[25]Illegal NgoMIV site found at 3769
Illegal NgoMIV site found at 5113
Illegal NgoMIV site found at 5134
Illegal AgeI site found at 4837 - 1000INCOMPATIBLE WITH RFC[1000]Illegal SapI.rc site found at 1768
Illegal SapI.rc site found at 5019