A useful gene cassette for conditional knock-down of essential genes by targeted promoter replacement in Mycobacteria

A direct method to study essential genes is to construct conditional knock-down mutants by replacement of their native promoter by an inducible one. In Mycobacteria, replacement of an essential gene promoter with an anhydrotetracycline inducible one was successfully used but required a multi-step ap...

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Veröffentlicht in:BioTechniques. - 1993. - 65(2018), 3 vom: 18. Sept., Seite 159-162
1. Verfasser: Texier, Pauline (VerfasserIn)
Weitere Verfasser: Coddeville, Michèle, Bordes, Patricia, Genevaux, Pierre
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2018
Zugriff auf das übergeordnete Werk:BioTechniques
Schlagworte:Journal Article Research Support, Non-U.S. Gov't ClpP Mycobacterium smegmatis SecA1 promoter replacement recombineering tetracycline promoter Tetracyclines 4-epianhydrotetracycline 680VDL31MX
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520 |a A direct method to study essential genes is to construct conditional knock-down mutants by replacement of their native promoter by an inducible one. In Mycobacteria, replacement of an essential gene promoter with an anhydrotetracycline inducible one was successfully used but required a multi-step approach. In this work, we describe a gene cassette for the engineering of a conditional knock-down mutant, which allows the one-step targeted replacement of mycobacterial promoters by an anhydrotetracycline-inducible promoter. The functionality of this cassette was successfully tested by engineering conditional clpP and SecA1 mutants of Mycobacterium smegmatis 
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700 1 |a Bordes, Patricia  |e verfasserin  |4 aut 
700 1 |a Genevaux, Pierre  |e verfasserin  |4 aut 
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