Tokyo/Preliminary assays

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Contents

Preliminary assays

AHL preparation

OD correction

Date:

2007/09/21

Purpose:

Samples:

Procedure:

Result:

Conclusion:

Wash

Date:

20070925

Purpose:

Samples:

Procedure:

Result:

Conclusion:

Detailed AHL assay

Date:

20070925

Purpose:

Samples:

Procedure:

Result:

Conclusion:

New-AHL assay

Date:

20070926

Purpose:

Samples:

Procedure:

Result:

Conclusion:

Lux-lac hybrid promoter Check

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:


1. pTrc99A + [LacI hybrid promoter – GFP] (LacI+)
2. pBR322 TetR + [LacI hybrid promoter – GFP] (lacI-)
3. pTrc99A + [placQI – GFP] (placQI is constitutive promoter)
4. pTrc322 TetR + [LacI promoter – GFP]
5. pBR322 TetR + [LacI promoter – GFP]


Repressor LacI expression:
pTrc99A expresses LacI
pBR322 TetR does NOT express LacI


Antibiotics resistance:
pTrc99A gives ampicillin-resistance
pBR322 TetR gives ampicillin-resistance
[LacI hybrid promoter – GFP] gives kanamicin-resistance
[placQI – GFP] gives kanamicin-resistance

Procedure: