Team:Warsaw/Stage2/Design

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Design

The safety system we designed and measured consists of the parts specified: T7 promoter + MinC + RBS B0032 on pSB plasmid, studied in E.coli BL21 strain.

<partinfo>BBa_K299807 DeepComponents</partinfo>

We measured our construct in vivo, in the expression system, using strong T7 promoter, IPTG induced. The functionality of our safety element describes optical density of E.coli (OD) and the number of colony forming units/ ml (cfu/ml) in IPTG-induced innoculates BL21 carrying our construct.

We also performed experiment with B0034 RBS as an alternative to B0034. We designed biobrick presented below: T7 promoter + MinC + RBS B0034 on pSB plasmid, studied in E.coli BL21 strain.

<partinfo>BBa_K299808 DeepComponents</partinfo> As we know from RBS measurement data (link), B0034 is stronger than B0032. As a result, we didn’t obtain any visible bacterial colonies on agar plates. Our conslucion to this experiment is that regulation of MinC gene expression is very important to keep the system working.