Difference between revisions of "Part:BBa J10056:Experience"
 
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The graphs above show that RBS strength has a negligible effect on expression, whereas increased promoter strength increases expression.</center>
 
The graphs above show that RBS strength has a negligible effect on expression, whereas increased promoter strength increases expression.</center>
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Latest revision as of 20:02, 21 October 2019


This experience page is provided so that any user may enter their experience using this part.
Please enter how you used this part and how it worked out.

Applications of BBa_J10056

Lambert_GA 2019 used this part in experiments to characterize the effect of different strengths of promoters and ribosomal binding sites on expression. The data obtained can aid in the design of constructs by giving information about controlling expression.

User Reviews

Lambert_GA 2019 Characterization

Characterization of strong promoter (BBa_J23119) and weak RBS (BBa_B0031)

Differences in promoter strength had more effect on enzymatic expression compared to differences in RBS strengths as evidenced in the graphs below. Lambert_GA 2019 had originally thought that BBa_J10056 would result in the most amount of expression out of the tested combinations, but this part, along with BBa_J10057 and BBa_J10058, all shared the most expression out of the combinations. This is due to the translation rate not being an important factor in the determination of expression of ONP; however, the promoter strength is a significant factor. In other words, expression values are significantly different with different promoters but not with different RBS strengths.

T--Lambert GA--tuning7a.png


Figure 1: The highlighted points in yellow represent BBa_J10056 (strong promoter/ weak RBS) compared to BBa_J10058 (strong promoter/ strong RBS) and BBa_J10057 (strong promoter/ medium RBS), both in light blue. The weak, medium, and strong RBS have similar expression levels when in combination with the weak promoter.

T--Lambert GA--tuning7b.png


Figure 2: The highlighted points represent the BBa_J10056 composite part (strong promoter/ weak RBS). As the promoter strength increases, the expression increases as well.


The graphs above show that RBS strength has a negligible effect on expression, whereas increased promoter strength increases expression.


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