Haynes Lab:Notebook/Characterizing AHL quorum sensing homologs/2016/03/02
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03/02/2016
Examining Negative MSV Control Plates The plates for the negative control sender were grown overnight in the 37°C incubator. The MSV plate had multiple colonies on it, as expected, and the water-only plate had no colonies, indicating that there was no source of contamination, as shown by the picture below: Figure 1 - Negative MSV Control Plates
pSB1A3 Gel Extraction, Ligation, and Transformation The gel slice of the cut pSB1A3 plasmid was gel extracted with a starting weight of 0.1 g. The gel extraction resulted in a DNA concentration of 4.14 ng/μL, which is close to nothing in terms of yield. Despite this, we went ahead with the ligation but had to use a larger total volume of 20 μL to account for the low DNA concentration. The ligation mixture contained the following reagents, as shown by the table below:
The ligated vector was then transformed into BL21 cells and plated. The plates were left to incubate at 37°C overnight.
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