Difference between revisions of "Part:BBa K3734010"
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<p style="width: 80%;text-align:center;font-size: .9rem; margin: -1rem auto 1rem auto; color: #888;">Fig.1 The model diagram TetR-ELK</p> | <p style="width: 80%;text-align:center;font-size: .9rem; margin: -1rem auto 1rem auto; color: #888;">Fig.1 The model diagram TetR-ELK</p> | ||
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<p style="width: 80%;text-align:center;font-size: .9rem; margin: -1rem auto 1rem auto; color: #888;">Fig.2 Under Laser confocal microscopy, fluorescence of mCherry expression downstream of Tet-Off system</p> | <p style="width: 80%;text-align:center;font-size: .9rem; margin: -1rem auto 1rem auto; color: #888;">Fig.2 Under Laser confocal microscopy, fluorescence of mCherry expression downstream of Tet-Off system</p> | ||
Revision as of 09:52, 20 October 2021
TetR
TetR is a kind of protein that can find and combined with TRE DNA structure domain.
TetR
TetR can be identified and combined with TRE, which is an important part of the Tet-off system. In the absence of tetracycline, TetR binds to TRE. When tetracycline exists, the binding of TetR and TRE will be blocked and the Tet-off system will be shut down.
1.Pattern diagram
Fig.1 The model diagram TetR-ELK
2.Experiment
2.1 Method
After TetR binds to TRE, phosphorylation ELK activates downstream reporting gene mCherry expression, and we observe the expression with laser confocal microscope.
2.2 Results
Fig.2 Under Laser confocal microscopy, fluorescence of mCherry expression downstream of Tet-Off system
3.Caution
If the green fluorescent protein is expressed too much, and if the green fluorescence is too strong, it may cause a series of colors. In order to ensure the accuracy of the experimental results, the level of noise reduction should be raised.
Reference：
[1]Haifeng Ye, Mingqi Xie, Shuai Xue.Self-adjusting synthetic gene circuit for correcting insulin resistance[J].Nat Biomed Eng.2017 Jan;1(1):0005.
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