Difference between revisions of "Part:BBa K559011"
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| − | It has been used to fuse with GFP <partinfo>BBa_E0040</partinfo> to quantitatively control GFP gene expression by providing different chloride concentration. The results can be seen in | + | It has been used to fuse with GFP <partinfo>BBa_E0040</partinfo> to quantitatively control GFP gene expression by providing different chloride concentration. The results can be seen in [https://parts.igem.org/Part:BBa_K559011:Experience] |
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Revision as of 21:23, 28 October 2011
Pgad - Intracellular Chloride-Sensing Cassette
Pgad is chloride-sensitive promoter which was first discovered in Lactococcus lactis1, which is a gram-positive bacterium which can live in acidic environment. In this operon, gadC is glutamate-gamma-aminobutyrate antiporter and gadB is glutamate decarboxylase. They are both involved in intracellular pH regulation and co-expressed in the same operon under the control of Pgad. The gene before Pgad, named gadR, which is constitutively expressed under the control of PgadR, is a positive regulator of Pgad coupled genes while intracellular chloride is level elevated.
Sequence and Features
- 10COMPATIBLE WITH RFC[10]
- 12COMPATIBLE WITH RFC[12]
- 21COMPATIBLE WITH RFC[21]
- 23COMPATIBLE WITH RFC[23]
- 25COMPATIBLE WITH RFC[25]
- 1000COMPATIBLE WITH RFC[1000]
Usage and Biology
It has been used to fuse with GFP BBa_E0040 to quantitatively control GFP gene expression by providing different chloride concentration. The results can be seen in [1]