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Updated: Aug 11, 2026

Inducible LAP-tagged Stable Cell Lines for Investigating Protein Function, Spatiotemporal Localization and Protein Interaction Networks
Published on: December 24, 2016
A new mini-transposon for in vivo protein epitope tagging: application to Burkholderia multivorans
Abdelaziz Kholti1, Maria Plesa, Pierre Cornelis
1Laboratory of Microbial Interactions, Vrije Universiteit Brussel, Department of Molecular and Cellular Interactions, Flanders Interuniversity Institute of Biotechnology, Pleinlaan 2, 1050 Brussels, Belgium.
Abstract:
A short amino acid sequence coding for the mature Pseudomonas aeruginosa OprI lipoprotein was fused to a mini-Tn5 plasposon (mini-transposon with an origin of replication) with tetracycline resistance in order to generate in-frame fusion proteins after transposition. After conjugative transfer to Burkholderia multivorans, clones reacting with an anti-OprI mab were selected. In-frame OprI-tagged proteins were detected and identified for six clones. The six C-tagged proteins were detected by immunoblot. The different mutants had insertions into a histone H1-like coding gene, cspD, encoding a cold-shock protein, dsbC, encoding a putative outer membrane lipoprotein involved in thiol-disulfide exchange, paaE, a ferredoxin-NADPH reductase gene, a gene for the catabolism of propionate, and one encoding an unknown protein.
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