Difference between revisions of "Part:BBa K592015"
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===Usage and Biology=== | ===Usage and Biology=== | ||
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| + | =Improvement by ICJFLS2021= | ||
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Revision as of 16:10, 20 October 2021
amilCP Blue Coding Device
This color expressing cassette is a potential alternative/complementary to BBa_J04450, the current RFP cassette in all of the BioBrick backbones. Bacterial colonies exhibit strong blue color after 18 hours. Due to the much darker blue/purple color tone, even partially blue colonies are readily recognized.
We found this design very useful when assembling components that contain RFP, mCherry, etc. The assembled parts are not recognizable from the background insert if all colonies becomes red after transformation. Luckily, very few genes produce substances that make the cells turn blue/purple, which makes our construct useful. Due to the strong promoter, over-expressing amilCP will be costly to the cells.
The promoter is constitutive, the RBS is strong, the double terminator is not BBa_B0015 but BBa_B0014.
The images above show E coli constitutively expressing amilCP BBa_K592009 (blue), amilGFP BBa_K592010 (yellow), and RFP BBa_E1010 (red).