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- | == [[Tokyo/AHL preparation |AHL preparation]] ==
| + | __NOTOC__ |
- | == AHL assay==
| + | <br>[[Tokyo/Works|Works top]] 0.[[Tokyo/Works/Hybrid promoter|Hybrid promoter]] 1.[[Tokyo/Works/Formulation |Formulation]] '''2.[[Tokyo/Works/Assay |Assay1]]''' 3.[[Tokyo/Works/Simulation |Simulation]] 4.[[Tokyo/Works/Assay2 |Assay2]] 5.[[Tokyo/Works/Future works |Future works]] |
- |
| + | <br><br> |
- | ===Date: ===
| + | [[Tokyo/Hill function fitting |Objective of this assay]] [[Tokyo/AHL assay|Effect of AHL]] [[Tokyo/IPTG assay|Effect of LacI-IPTG]] [[Tokyo/Preliminary assays |Preliminary assays]] |
- | 2007/09/06, 07
| + | |
- | ===Purpose1: ===
| + | |
- | To practive AHL assay.
| + | |
- | ===Purpose2: ===
| + | |
- | To check if AHL works.
| + | |
| | | |
- | ===Samples: === | + | == == |
- | <br>luxR + GFP in DH5a (AHL-activated promoter) | + | '''Preliminary assays were conducted''' |
- | <br>placQI + GFP in DH5a (pos. con.) | + | <br>- '''to practice and experience the assays with AHL and IPTG''' |
- | <br>pSBΔP+ GFP (neg. con.)
| + | <br>- '''to check if and how our materials actually worked.''' |
| | | |
- | <br>ΔP = promoter deleted
| + | == [[Tokyo/AHL preparation |AHL preparation]] == |
- | | + | == [[Tokyo/Experimental precision and accurecy|Experimental precision and accuracy]] == |
- | ===Procedure: === | + | == [[Tokyo/AHL assay practice|AHL assay practice]] == |
- | <br>The final concentration of AHL is 6 pM.
| + | == [[Tokyo/Lux-lac hybrid promoter activation check|Lux-lac hybrid promoter activation check]] == |
- | | + | == [[Tokyo/OD correction|OD correction]] == |
- | ===Result: ===
| + | == [[Tokyo/Wash|Wash]] == |
- | ===Conclusion: === | + | == [[Tokyo/New AHL check|New AHL check]] == |
- | 6pM of AHL is not enough to activate the AHL-activated luxR promoter.
| + | <!--== [[Tokyo/Hybrid promoter activation & repression check|Hybrid promoter activation & repression check ]] == |
- | | + | |
- | == AHL assay== | + | |
- |
| + | |
- | ===Date: === | + | |
- | 2007/09/15
| + | |
- | ===Purpose: ===
| + | |
- | check if lux-lac hybrid promoter works
| + | |
- | | + | |
- | ===Samples: ===
| + | |
- | <br>Lux-lac hybrid promoter (before blue light check)
| + | |
- | <br>Lux-lac hybrid promoter (after blue light check)
| + | |
- | <br>placQI (pos. con.)
| + | |
- | <br>modified A4 (promoter deleted) (neg. con.)
| + | |
- | | + | |
- | ===Procedure: === | + | |
- | [[Tokyo/AHL assay Standard protocol |AHL assay Standard protocol ]] | + | |
- | | + | |
- | ===Result: ===
| + | |
- | | + | |
- | ===Conclusion: === | + | |
- | | + | |
- | == OD correction ==
| + | |
- |
| + | |
- | ===Date: ===
| + | |
- | 2007/09/21
| + | |
- | ===Purpose: ===
| + | |
- | ===Samples: ===
| + | |
- | <br>ΔP-GFP in pTrc99A (neg. con.)
| + | |
- | <br>placQI in pTrc99A (pos. con.)
| + | |
- | <br>Only LB (blank)
| + | |
- | | + | |
- | ===Procedure: ===
| + | |
- | ===Result: ===
| + | |
- | ===Conclusion: ===
| + | |
- | | + | |
- | | + | |
- | == Wash ==
| + | |
- | | + | |
- | ===Date: ===
| + | |
- | 20070925
| + | |
- | ===Purpose: ===
| + | |
- | To determine the actual fluorescence of GFP expressed under the promoters by removing other influencial facters such as culture media.
| + | |
- | | + | |
- | ===Samples: ===
| + | |
- | <br>A4 placQI in pTrc99A (pos. con.)
| + | |
- | <br>A4ΔP in pTrc99A
| + | |
- | <br>A4 hybrid promoter in pBR322
| + | |
- | | + | |
- | ===Procedure: ===
| + | |
- | [[Tokyo/AHL assay Standard protocol |AHL assay Standard protocol ]]
| + | |
- | <br>[[Tokyo/Wash |Wash ]]
| + | |
- | | + | |
- | ===Result: ===
| + | |
- | ===Conclusion: === | + | |
- | | + | |
- | | + | |
- | == Detailed AHL assay ==
| + | |
- | | + | |
- | ===Date: ===
| + | |
- | 20070925
| + | |
- | ===Purpose: ===
| + | |
- | <br>To determine the AHL dependent behaviour in narrower range of AHL concentration for the analyses and simulation.
| + | |
- | | + | |
- | ===Samples: ===
| + | |
- | ===Procedure: ===
| + | |
- | ===Result: ===
| + | |
- | ===Conclusion: ===
| + | |
- | | + | |
- | == New-AHL assay ==
| + | |
- | | + | |
- | ===Date: ===
| + | |
- | 20070926
| + | |
- | ===Purpose: ===
| + | |
- | <br>To determine and compare the activity of the AHL used so far and that of the newly perchased AHL.
| + | |
- | | + | |
- | ===Samples: ===
| + | |
- | <br>A4 placQI in pTrc99A (pos. con.)
| + | |
- | <br>A4ΔP in pTrc99A
| + | |
- | <br>A4 hybrid promoter in pBR322
| + | |
- | | + | |
- | ===Procedure: ===
| + | |
- | <br>The old and the newly delivered AHL was used.
| + | |
- | <br>[[Tokyo/AHL assay Standard protocol |AHL assay Standard protocol ]]
| + | |
- | <br>The final concantrations of AHL applied here were 0.01, 0.1, 0.5, 1, 10, 100, and 1000 nM.
| + | |
- | | + | |
- | ===Result: ===
| + | |
- | ===Conclusion: ===
| + | |
- | | + | |
- | == Lux-lac hybrid promoter Check ==
| + | |
- | | + | |
- | [[Image:luxlachybrid.jpg]] | + | |
- | | + | |
- | === Date: ===
| + | |
- | 2007/09/20, 21
| + | |
- | | + | |
- | ===Purpose 1:===
| + | |
- | To check if LacI hybrid promoter is activated by AHL and repressed by LacI.
| + | |
- | ===Purpose 2:=== | + | |
- | To obtain parameters of LacI hybrid promoter for computational simulation.
| + | |
- |
| + | |
- | ===Samples: ===
| + | |
- | <br>1. pTrc99A + [LacI hybrid promoter – GFP] (LacI+)
| + | |
- | <br>2. pBR322 TetR + [LacI hybrid promoter – GFP] (lacI-)
| + | |
- | <br>3. pTrc99A + [placQI – GFP] (placQI is constitutive promoter)
| + | |
- | <br>4. pTrc322 TetR + [LacI promoter – GFP]
| + | |
- | <br>5. pBR322 TetR + [LacI promoter – GFP]
| + | |
- | | + | |
- | <br>'''Repressor LacI expression:'''
| + | |
- | <br>pTrc99A expresses LacI
| + | |
- | <br>pBR322 TetR does NOT express LacI
| + | |
- | | + | |
- | <br>'''Antibiotics resistance:'''
| + | |
- | <br>pTrc99A gives ampicillin-resistance
| + | |
- | <br>pBR322 TetR gives ampicillin-resistance
| + | |
- | <br>[LacI hybrid promoter – GFP] gives kanamicin-resistance
| + | |
- | <br>[placQI – GFP] gives kanamicin-resistance
| + | |
| | | |
- | ===Procedure:===
| + | <br> |
- | <br>[[Tokyo/AHL assay Standard protocol |AHL assay Standard protocol ]] | + | --> |