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Team:Evry/Interlab Study/Used Devices
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<img alt="IMAGE" src="https://static.igem.org/mediawiki/2014/2/28/PSB1C3_E0240_J23113.jpg" width="300px;" class="image"/> | <img alt="IMAGE" src="https://static.igem.org/mediawiki/2014/2/28/PSB1C3_E0240_J23113.jpg" width="300px;" class="image"/> | ||
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| - | + | <center>Plasmid map 1: Final construction of PSB1C3 containing E0240 and J23113( EcoRI, PstI, SpeI and XbaI). Constructions carrying J23100 to J23119 and K823012 were similar to this.</center></br> | |
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| - | <center>Plasmid map 2: Final construction of PSB1C3 containing I20260( EcoRI, PstI, SpeI and XbaI).</center> | + | <center>Plasmid map 2: Final construction of PSB1C3 containing I20260( EcoRI, PstI, SpeI and XbaI).</center></br> |
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Revision as of 22:07, 17 October 2014
Interlab study - Used devices
Construction way
Constructions were built using classical Biobrick restriction sites.
- Required device 1: originally this device was carried by PSB1K3 and was sud-cloned onto PSB1C3.
- Vector: digestion of PSB1C3 and PSB1K3 carrying I20260 via EcoRi and PstI
- Insert: digestion of PSB1K3 carrying I20260 via EcoRi and PstI
- Ligation with T4 DNA ligase (New England Biolabs)
- Required device 2, 3 and the 19 constructions for the entire Anderson library: promoters were inserted into PSB1C3 carrying E0240. Process is described on following figure 1.
- Vector: digestion of PSB1C3 carrying E0240 via EcoRI and XbaI
- Insert: digestion of PSB1C3 carrying K823012* and J61002 carrying J23100 to J23119 via EcoRI and SpeI
- Ligation with T4 DNA ligase (New England Biolabs)
Constructions were first designed in a software(Geneious v. 6.1.6), Plasmid 1 and 2 below, and then relized on web lab using iGEM 2014 Distribution kit. Verifications were made by eletrophoresis gel analytic PCR amplification and sequencing. Glycerol stock of 3 colonies per constructions were conserved and used for the measurments of GFP expression.
Plasmid map 1: Final construction of PSB1C3 containing E0240 and J23113( EcoRI, PstI, SpeI and XbaI). Constructions carrying J23100 to J23119 and K823012 were similar to this.
Plasmid map 2: Final construction of PSB1C3 containing I20260( EcoRI, PstI, SpeI and XbaI).
Analysis protocol
Our team decided to test the fluorescence with a
TECAN infiniteM200 in 96 well plates. Each assay were performed after a 16 - 18 h preculture on 5 ml of LB medium at 37°C with 220 rpm agitation. Cultures were distributed 200 µl per well. Three strains per constructions were tested in five replicates. Two controls were added on plates: LB with chloramphenicol and the strain carrying the promoterless vector on LB with chloramphenicol.
Fluorescence data were analyzed via following formula that come from 2010 De Jong et al Experimental and computational validation of models of fluorescent and luminescent reporter genes in bacteria .
Fluorescence data were analyzed via following formula that come from 2010 De Jong et al Experimental and computational validation of models of fluorescent and luminescent reporter genes in bacteria .
Equation A: A(t) is the corrected absorbance of DH5 alpha with the functional reporter system, Au(t)the uncorrected absorbance of DH5 alpha with the functional reporter system and Ab(t)the background absorbance corresponding to LB with chloramphenicol medium absorbance.
Equation B: B(t) is the absorbance of the strain carrying the promoterless vector, Iu(t) the uncorrected fluorescence intensity of DH5 alpha with the functional reporter system and Ib(t) the background fluorescence intensity of LB chloramphenicol medium with the DH5 alpha carrying the promoterless vector.
Equation B: B(t) is the absorbance of the strain carrying the promoterless vector, Iu(t) the uncorrected fluorescence intensity of DH5 alpha with the functional reporter system and Ib(t) the background fluorescence intensity of LB chloramphenicol medium with the DH5 alpha carrying the promoterless vector.
Used Biobricks and plasmids
