Part:BBa_K143012:Experience
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Applications of BBa_K143012
User Reviews
UNIQ5b59c2c517298174-partinfo-00000000-QINU
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Korinna |
We (LMU-Munich 2012) wanted to work with this promoter, but the DNA was not available. So we created a new BioBrick Pvegand characterized it with the reporter lux operon. See the evaluation of the new part: For more Details visit our [http://2012.igem.org/Team:LMU-Munich/Bacillus_BioBricks#Constitutive_promoters_from_B._subtilis webpage] Evaluation β-galactosidase assay and growth curve of strains carrying the promoters PliaG (black) and Pveg (grey) fused to lacZ. β-galactosidase activity (Miller Units)and the growth curve values are the average of two independant clones with their standard deviation that were measured during the same experiment. Experiment shows representative data which was obtained in the same way from three independent experiments. The two constitutive promoters PliaG and Pveg were evaluated with the reporter lacZ. Promoter activity leads to the expression of the β-galactosidase which directly correlates to the promoter activity. The β-galactosidase assay of the constitutive Bacillus promoters Pveg and PliaG was repeated three times. Data show one representative result. In the beginning of the growth curve both promoters show only low activity. But then it increases to a maximum before it decreases to the begininng level after about seven hours (Data not shown). Summing up the course of activity of both promoters Pveg and PliaG is very similar based on the growth curve. The highest β-galactosidase activity and therefore the highest activity of the promoter Pveg with a maximum of 65 Miller units can be found during the transition from the logarithmic to the stationary phase. This is about five times higher than the acitivity of the promoter PliaG with a maximum activity of about 12 Miller Units. |
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Chris |
This part was used as part of a promoter and RBS pair (BBa_K143053) as part of the Biofabricator subtilis Imperial iGEM 2008 project. When incorporated into GFP and RFP production constructs(BBa_K143079 and BBa_K143082), the promoter and RBS pair successfully produced a GFP or RFP output. |