A Series of Vectors for Inducible Gene Expression in Multidrug-resistant

Overview

Journal Appl Environ Microbiol

Specialties Environmental Health
Microbiology

Date 2024 Aug 20

PMID 39162403

Authors

Valerie Intorcia

Rosa L Sava

Grace P Schroeder

Michael J Gebhardt

Affiliations

Soon will be listed here.

Abstract

Importance: Clinical isolates of bacterial pathogens often harbor resistance to multiple antibiotics, with being a prime example. The drug-resistance phenotypes associated with these pathogens represent a significant hurdle to researchers who wish to study modern isolates due to the limited availability of plasmid tools. Here, we present a series of freely replicating and Tn7-insertion vectors that rely on selectable markers to less frequently encountered antibiotics, apramycin, and hygromycin. We demonstrate the utility of these plasmid tools through a variety of experiments looking at a multidrug-resistant strain of , strain AB5075. Strain AB5075 is an established model strain for present-day , due in part to its genetic tractability and because it is a representative isolate of the globally disseminated multidrug-resistant clade of , global clone 1. In addition to the drug-selection markers facilitating use in strains resistant to more commonly used antibiotics, the vectors allow for controllable expression driven by several regulatory systems, including isopropyl β-D-1-thiogalactopyranoside (IPTG), arabinose, anhydrotetracycline, and toluic acid.

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