Team:Uppsala University/Promoters
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Revision as of 05:19, 26 September 2012
OBS! PRELIMINÄRT |
The promoter test was conducted by measuring fluorescence expressed by each individual promoter assembled with B0032-SYFP2 (BBa_K864101) though a FACS (fluorescence activated cell sorter) in lab strains MG1655 and DH5α. The test was conducted on triplicated cultures of each promoter construct, which were measured in the FACS. For each culture 10⁵ cells fluorescence were measured individually, dead cells and non fluorescent cells were discarded, and a average where calculated. All promoter constructs of each strain were grown under same conditions. The test was conducted on triplicated cultures of each promoter construct, which were measured in the FACS. For each culture 10⁵ cells fluorescence were measured individually, dead cells and non fluorescent cells were discarded, and a average where calculated. All promoter constructs of each strain were grown under same conditions. The variance in expression between MG1655 and DH5α may depend on the J23101-B0032-SYFP2, which is the promoter the other promoters strength is calculated from, construct in DH5α might been a weaker phenotype resulting in higher RPU values to other DH5α. Alternatively the maximum protein expression is lower in DH5α due to its lower fitness also resulting in lower expression of SYFP2 in the J23101 construct. |