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CIFR (Clone-Integrate-Flip-out-Repeat): A toolset for iterative genome and pathway engineering of Gram-negative bacteria.

Federici F, Luppino F, Aguilar-Vilar C, Mazaraki ME, Petersen LB, Ahonen L, Nikel PI
Metab Eng. 2025 Jan 6;88:180-195. doi: 10.1016/j.ymben.2025.01.001. (Link opens in a new window) PubMed (Link opens in a new window) Article

Plasmids from Article

ID Plasmid Purpose
227663pCIFR-2Integration of msfGFP (or your Module Of Interest) in a random fashion via Tn5 insertion. The antibiotic cassette (Km) used for selecting for the integration can be removed in a later stage with pFNC.
227664pCIFR-4Integration of msfGFP (or your Module Of Interest) in a random fashion via Tn5 insertion. The antibiotic cassette (Sm) used for selecting for the integration can be removed in a later stage with pFNC.
227665pCIFR-6Integration of msfGFP (or your Module Of Interest) in a random fashion via Tn5 insertion. The antibiotic cassette (Gm) used for selecting for the integration can be removed in a later stage with pFNC.
227666pCIFR-8Integration of msfGFP (or your Module Of Interest) in a random fashion via Tn5 insertion. The antibiotic cassette (Am) used for selecting for the integration can be removed in a later stage with pFNC.
227667pFNC-2Plasmid encoding the BxbI phage integrase. It can be used to remove the antibiotic resistance cassette integrated with pCIFR. KmR, easily curable via sucrose counterselection.
227668pFNC-4Plasmid encoding the BxbI phage integrase. It can be used to remove the antibiotic resistance cassette integrated with pCIFR. SmR, easily curable via sucrose counterselection.
227669pFNC-6Plasmid encoding the BxbI phage integrase. It can be used to remove the antibiotic resistance cassette integrated with pCIFR. GmR, easily curable via sucrose counterselection.
227670pFNC-8Plasmid encoding the BxbI phage integrase. It can be used to remove the antibiotic resistance cassette integrated with pCIFR. AmR, easily curable via sucrose counterselection.
233294pCIFR-5Integration of msfGFP (or your Module Of Interest) in a random fashion via Tn5 insertion. The antibiotic cassette used for selecting for the integration can be removed in a later stage with pFNC.
233295pCIFR-3Integration of msfGFP (or your Module Of Interest) in a random fashion via Tn5 insertion. The antibiotic cassette used for selecting for the integration can be removed in a later stage with pFNC.
233296pFNC-3Plasmid encoding the BxbI phage integrase. It can be used to remove the antibiotic resistance cassette integrated with pCIFR. CmR, easily curable via sucrose counterselection.
233297pFNC-5Plasmid encoding the BxbI phage integrase. It can be used to remove the antibiotic resistance cassette integrated with pCIFR. TcR, easily curable via sucrose counterselection.

Antibodies from Article