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Updated: Jun 4, 2026

High-Throughput Identification of Resistance to Pseudomonas syringae pv. Tomato in Tomato using Seedling Flood Assay
Published on: March 10, 2020
Construction of Pseudomonas syringae pv. tomato DC3000 mutant and polymutant strains
1Department of Plant Pathology and Plant-Microbe Biology, Cornell University, Ithaca, NY, USA.
Abstract:
Redundancy between Pseudomonas syringae pv. tomato DC3000 virulence factors has made their characterization difficult. One method to circumvent redundancy for phenotypic characterization is to simultaneously delete all redundant factors through the generation of polymutant strains. Described here are methods by which single and polymutant strains of DC3000 can be generated through the use of the small mobilizable sucrose counter-selection vector pK18mobsacB, FRT-flanked antibiotic marker cassettes, and Flp recombination.
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