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Team:UC Chile/Results/Int C
From 2012.igem.org
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| - | After repeatedly having failed transforming Synechocystis PCC. 6803 (3 times) with pSB1A3_IntC, we sought to analyze the sequence of the plasmid we acquired from the 2010 Utah iGEM team by sequencing the recombination sites. | + | After repeatedly having failed transforming Synechocystis PCC. 6803 (3 times) with pSB1A3_IntC , we sought to analyze the sequence of the plasmid we acquired from the 2010 Utah iGEM team by sequencing the recombination sites. |
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[[File:Int_C-Failagain.JPG| 600px| center]] | [[File:Int_C-Failagain.JPG| 600px| center]] | ||
| - | Image from the 3rd failed transformation of Synechocystis PCC 6803 with the pSB1A3_IntC plasmid. Although you might see a green stain on the plate, this plate has been incubating for 4 weeks and | + | Image from the 3rd failed transformation of Synechocystis PCC 6803 with the 2010 Utah iGEM team [http://partsregistry.org/Part:BBa_K390200 pSB1A3_IntC ] (BBa_K390200) plasmid. Although you might see a green stain on the plate, this plate has been incubating for over 4 weeks and still there are no colonies. |
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| + | <a href="https://2012.igem.org/Team:UC_Chile/Results/LuxBrick"><img src="https://static.igem.org/mediawiki/2012/a/ab/UC_Chile-Continue_button.jpg" align="right"> | ||
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Latest revision as of 01:18, 27 September 2012
Debugging pSB1A3_IntC
After repeatedly having failed transforming Synechocystis PCC. 6803 (3 times) with pSB1A3_IntC , we sought to analyze the sequence of the plasmid we acquired from the 2010 Utah iGEM team by sequencing the recombination sites.
Image from the 3rd failed transformation of Synechocystis PCC 6803 with the 2010 Utah iGEM team [http://partsregistry.org/Part:BBa_K390200 pSB1A3_IntC ] (BBa_K390200) plasmid. Although you might see a green stain on the plate, this plate has been incubating for over 4 weeks and still there are no colonies.
While we did not find any errors in the sequence, we noticed when blasting each separate recombination site, that the position of the recombination sites differed from the ones reported on their page. The position of the sequences of each recombination site are swapped, leaving the backbone part of the plasmid to be integrated into the genome. Furthermore, the recombination sites are separated by aproximately 2.2 kilobases, knocking out al least one gene.
You can see their original construct design here.
Here we illustrate the recombination mechanism in which the Int_C plasmid would integrate the backbone part of the vector to the genome.
