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Assembly and annotation of Solanum dulcamara and Solanum nigrum plant genomes, two nightshades with contrasting susceptibilities to Ralstonia solanacearum

ABSTRACT: Ralstonia solanacearum causes disease in more than 200 plant species including bacterial wilt of tomatoes and brown rot of potatoes. This bacterium is a soilborne and waterborne pathogen, with a worldwide distribution and belongs to the EPPO A2 list of quarantine pathogens. ln the UK, the bacterium is present in the rivers, but its prevalence depends on the season; it is highly abundant in the summer and undetectable during winter. To survive the cold winter temperatures, R. solanacearum overwinters inside plants growing alongside the rivers such as Solanum dulcamara. Solanum nigrum is a closely related species to Solanum dulcamara, and to another susceptible hosts of this pathogen. We assemble the genome of this species to identify differences and similarities between hosts.

ORGANISM(S): Solanum nigrum

PROVIDER: GSE255584 | GEO | 2025/07/16

REPOSITORIES: GEO

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Assembly and annotation of Solanum dulcamara and Solanum nigrum plant genomes, two nightshades with contrasting susceptibilities to Ralstonia solanacearum

Project description:Ralstonia solanacearum causes disease in more than 200 plant species including bacterial wilt of tomatoes and brown rot of potatoes. This bacterium is a soilborne and waterborne pathogen, with a worldwide distribution and is on the EPPO A2 list of quarantine pathogens. ln the UK, the bacterium is present in the rivers, but its prevalence depends on the season; it is highly abundant in the summer and undetectable during winter. To survive the cold winter temperatures, R. solanacearum overwinters inside plants growing alongside the rivers such as Solanum dulcamara. Interestingly, this plant species doesn’t show bacterial wilt symptoms. To understand genomic differences with susceptible hosts, we assembled the genome using Oxford Nanopore Technologies and Illumina sequencing.

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