Difference between revisions of "Team:VIT Vellore"
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Latest revision as of 04:26, 8 December 2018
Where would you like to go?
togglepH
VIT Vellore
We use a plasmid system consisting of a composite part with two promoters
This part gets activated at ~pH 7.5 and produces the necessary proteins to increase the surrounding pH
Repressor molecule LexA is produced at high pH. LexA then binds to its operator region in the initial plasmid, and represses carbonic anhydrase
LexA functions as a repressor in the above figure. However, as the pH starts to become acidic again, recA protease is produced
recA protease binds to LexA (repressor) and lyses it, thereby preventing its action. Carbonic anhydrase is produced again, and pH homeostasis is ensured