Haynes Lab:Notebook/Characterizing AHL quorum sensing homologs/2014/05/23

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(Autocreate 2014/05/23 Entry for Haynes_Lab:Notebook/Characterizing_AHL_quorum_sensing_homologs)
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Picked each of the colonies on the receiver plates I made trying to test if any of the constructs were correct. I picked a big swab of each colony and swirled it in some PBS. Then I ran each of them on the flow cytometer. I used the senders (which definitely have GFP) as positive controls. The RhlI sender was green and every. other. colony. was not. This is clearly not a clever and efficient way to screen for receiver constructs.
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Possible reasons for failure:<br>
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:All of the receiver constructs are incorrect.
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:Receivers are making very low amounts of GFP because of their medium RBS, reduction of read-through expression, and being in DH5alphas.
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:Senders were not making much AHL because they're in DH5alphas.
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:Maybe I didn't leave them long enough in the incubator.

Revision as of 17:44, 29 May 2014

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Picked each of the colonies on the receiver plates I made trying to test if any of the constructs were correct. I picked a big swab of each colony and swirled it in some PBS. Then I ran each of them on the flow cytometer. I used the senders (which definitely have GFP) as positive controls. The RhlI sender was green and every. other. colony. was not. This is clearly not a clever and efficient way to screen for receiver constructs.

Possible reasons for failure:

All of the receiver constructs are incorrect.
Receivers are making very low amounts of GFP because of their medium RBS, reduction of read-through expression, and being in DH5alphas.
Senders were not making much AHL because they're in DH5alphas.
Maybe I didn't leave them long enough in the incubator.



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