Part:BBa_K1017811:Experience
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Applications of BBa_K1017811
We used the following biobrick to test the efficiency of different RBSs:
- Pcons+BBa_B0034+mRFP+Ter
- Pcons+BBa_K1017202+mRFP+Ter
- Pcons+BBa_B0030+mRFP+Ter
- Pcons+BBa_B0032+mRFP+Ter
- control: pet 30
As you can see from Figure 1 and Figure 2, the bacterial pellet of each biobrick shows different level of RFP expressions as each RBS provides a different translation efficiency. The deeper the red color is, the higher the level of expression is.
We measured the OD600 value and the florescence expression (emmision 612 nm and excitation 584 nm) for each biobrick mentioned above. The result is shown in Figure 4. We calculated the normalized expression by dividing fluorescence expression with the OD value measured, since the higher the OD value is, the larger the amount of bacteria that can express florescence would be. As shown in Figure 4, the normalized expression of the biobrick with B0034 is the highest and the one with K1017202, is the second highest, while the other two of B0032 and B0030 show weak expressions. This result implies that K1017202 can, in fact, serve as a functional RBS. In comparison to other RBS, K1017202 can provide moderate translational efficiency that is just lower than that of the highly efficient B0034.
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