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This test will vary several circuit parameters to find the ideal sensor.

This will determine what amounts of Syk-TEVp for each placement of TCS-Gal4VP16 cause excessive constitutive production of reporter so we don't need to test those for the active test.  This will also characterize our circuits off behavior so we can compare it to its on behavior later to get the on/off ratio.  There is a test of no Gal4VP16 which will tell us how much constitutive eYFP our promoter produces.

BCR (CD79A+B (with and without TCS-Gal4VP16), IgM heavy, IgM light), Lyn, Syk-TEVp, tre-mKate(dox reporter circuit), UAS-eYFP(reporter circuit), hef1a:eBFP(transfection marker), (whatever is needed to make dox work).  We will be testing all combinations of CD79(A/B)-(stop/TCS-Gal4Vp16).

Dox

 

Plasmidfunction

pEXPR hEF1a: CD79A+STOP

test variable

pEXPR hEF1a: CD79A-TCS-Gal4VP16

test variable

pEXPR hEF1a: CD79B-TCS-Gal4VP16

test variable

pEXPR hEF1a: CD79B+STOP

test variable

pEXPR hEF1a: Gmab Heavy

BCR

pEXPR hEF1a: Gmab Light

BCR

pEXPR TRE: Syk-TEV

test variable

pEXPR hEF1a: Lyn+STOP

BCR
UAS:eYFPfinal reporter
TRE:mKatecorrelates to Syk-TEVp amount
hef1a:eBFPtransfection marker

All combinations of plasmids being tested will be prepared and put into dox ladders

plasmids v  dox>011010010002000
CD79A-stop CD79B-stop      
CD79A-tcs-Gal4VP16 CD79B-stop      
CD79A-stop CD79B-tcs-Gal4VP1      
CD79A-tcs-Gal4VP1 CD79B-tcs-Gal4VP1      

First row is control for basal reporter expression.

 

We should identify what level of Syk-TEVp causes constitutive expression of the reporter and characterize the off behavior of our circuit so we will be able to compare it to the on behavior later. Our data will produce a scatter plot of eYFP (reporter) as a function of mKate (driven by the same promoter as syk).

 

 

 

 

 

 

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