What question did this study set out to answer?

This research aims to identify genomic features of Ralstonia solanacearum strains associated with Moko disease.

February 25, 2026Open Access

Complete genome sequences of seven Ralstonia solanacearum phylotype IIB-4C/IIB-4E strains isolated from plantain trees in Ecuador

Key Points

This research aims to identify genomic features of Ralstonia solanacearum strains associated with Moko disease.
Isolation of seven strains from plantain trees in Ecuador
Sequencing of complete genome genomes
Analysis of megaplasmid contents
Seven complete genome sequences from phylotype IIB-4C/IIB-4E strains were published
Identification of a class D beta-lactamase gene in the megaplasmid
Highlights the genetic basis for pathogenicity in Moko disease

Abstract

Ralstonia solanacearum has been causing an epidemic of Moko disease in Ecuador since early 2024. Here, we announce the publication of seven complete genome sequences from isolates belonging to the phylotype IIB sequevar IIB-4 and subclade IIB-4C/IIB-4E. Their genome megaplasmid is predicted to contain a class D beta-lactamase gene.

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Universidad San Francisco de Quito

European College of Economics and Management

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