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| − | | colspan=6| Surface mating JS3(RI) x CSHSO | + | | colspan=6| text-align:center | Surface mating JS3(RI) x CSHSO |
|- | |- | ||
| |Initial||Recipient||Donor||Transconjugant||Total | | |Initial||Recipient||Donor||Transconjugant||Total | ||
We conceived a model of plasmid loss for the Toulouse team.
In order to help the iGEM team Bordeaux, we had to read the paper « Dynamics of plasmid transfer on surfaces » [1] and collect and organize some data about their experiments on plasmids transfer. Thanks to this, the iGEM team Bordeaux can compare those results to their own computaionnal results.
Here are those results:
Using a surface slide system (SSS) the dynamics of the plasmid R1 and its permanently derepressed mutant Rldvdl9 in surface cultures of Escherichia coli K12 was examined.
The experiments were carried on E.coli K12 strain J53 hosting the plasmid R1 or it's premanently repressed mutant R1drd19. those two strains were used as donor cells. The recipient used is E.coli CH50.
| text-align:center | Surface mating JS3(RI) x CSHSO | |||||
| Initial | Recipient | Donor | Transconjugant | Total | |
| 10^7 | 3,8*10^8 | 1,5*10^8 | 2,1*10^5 | 5,2*10^8 | |
| 10^6 | 3,1*10^8 | 1,8*10^8 | 2,1*10^5 | 4,8*10^8 | |
| 10^5 | 2,2*10^8 | 1,8*10^8 | 6,5*10^4 | 4,1*10^8 | |
| 10^4 | 2,7*10^8 | 1,9*10^8 | 3,0*10^4 | 4,6*10^8 | |
| 10^3 | 2,7*10^8 | 1,9*10^8 | 3,0*10^4 | 4,6*10^8 | |
| 10^2 | 2,9*10^8 | 2,2*10^8 | 1,6*10^4 | 5,0*10^8 | |
| Surface mating J53(Rldrd19) x CSHSO | |||||
| Initial | Recipient | Donor | Transconjugant | Total | |
| 10^7 | 6,6*10^7 | 1,7*10^8 | 9,4*10^7 | 3,3*10^8 | |
| 10^6 | 1,4*10^8 | 2,5*10^8 | 4,4*10^7 | 4,4*10^8 | |
| 10^5 | 1,4*10^8 | 1,9*10^8 | 8,0*10^6 | 3,4*10^8 | |
| 10^4 | 1,6*10^8 | 2,3*10^8 | 1,8*10^6 | 3,9*10^8 | |
| 10^3 | 2,3*10^8 | 2,6*10^8 | 4,7*10^5 | 4,9*10^8 | |
| 10^2 | 2,4*10^8 | 2,2*10^8 | 4,1*10^4 | 4,7*10^8 | |
| Liquid mating JS3(RI) x CSHSO | |||||
| Initial | Recipient | Donor | Transconjugant | Total | |
| 10^7 | 2,2*10^8 | 9,8*10^7 | 4,4*10^3 | 3,1*10^8 | |
| 10^6 | 1,7*10^8 | 8,5*10^7 | 5,9*10^3 | 2,6*10^8 | |
| 10^5 | 2,0*10^8 | 6,9*10^7 | 7,9*10^3 | 2,7*10^8 | |
| 10^4 | 2,7*10^8 | 6,1*10^7 | 1,6*10^4 | 2,7*10^8 | |
| 10^3 | 2,9*10^8 | 4,9*10^7 | 1,9*10^4 | 2,9*10^8 | |
| 10^2 | 4,1*10^8 | 1,0*10^7 | 6,0*10^3 | 4,1*10^8 | |
| Liquid mating JS3(Rldrd19) x CSHSO | |||||
| Initial | Recipient | Donor | Transconjugant | Total | |
| 10^7 | 1,2*10^8 | 6,8*10^7 | 7,4*10^7 | 2,6*10^8 | |
| 10^6 | 1,7*10^8 | 3,7*10^7 | 8,4*10^7 | 2,9*10^8 | |
| 10^5 | 1,7*10^8 | 2,7*10^7 | 7,4*10^7 | 2,7*10^8 | |
| 10^4 | 1,9*10^8 | 1,8*10^7 | 6,6*10^7 | 2,7*10^8 | |
| 10^3 | 2,3*10^8 | 7,4*10^6 | 4,7*10^7 | 2,8*10^8 | |
| 10^2 | 2,6*10^8 | 3,7*10^6 | 1,2*10^7 | 2,8*10^8 | |
The iGEM team Pretoria 2016 hepled us focusing on the socio-economic and political issues facing the current platinum sector, including the Marikana strikes.
You can find their work here.