ArticleMicrobiologyOpen2022
Trophic preferences of the pathogen Ralstonia solanacearum and consequences on its growth in xylem sap.
Article in MicrobiologyOpen, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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11 citing papers in PubMed.
- Interspecies Exchange of Mobile Genetic Elements During a Plant Disease Outbreak.Genome biology and evolution · 2026Article
- A genome-scale metabolic model of a pathosystem sheds light on bacterial wilt.Plant physiology · 2026Article
- Article
- A protocol for chemical competence in phytopathogenic Ralstonia.Access microbiology · 2026Article
- Changes in DNA methylation contribute to rapid adaptation in bacterial plant pathogen evolution.PLoS biology · 2024Article
- Transcriptomic profiling reveals host-specific evolutionary pathways promoting enhanced fitness in the plant pathogenMicrobial genomics · 2023Article
- Gene expression changes throughout the life cycle allow a bacterial plant pathogen to persist in diverse environmental habitats.PLoS pathogens · 2023Article
- Bioinformatic Analysis Reveals the Role of Translation Elongation Efficiency Optimisation in the Evolution ofBiology · 2023Article
- Article
- Plant-PathogenicmBio · 2023Article
- Trophic preferences of the pathogen Ralstonia solanacearum and consequences on its growth in xylem sap.MicrobiologyOpen · 2022Article
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Authors and funding
3 authors.
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Abstract
Ralstonia solanacearum is one of the most destructive pathogens worldwide. In the last 30 years, the molecular mechanisms at the origin of R. solanacearum pathogenicity have been studied in depth. However, the nutrition status of the pathogen once inside the plant has been poorly investigated. Yet, the pathogen needs substrates to sustain a fast-enough growth, maintain its virulence and subvert the host immunity. This study aimed to explore in-depth the xylem environment where the pathogen is abundant, and its trophic preferences. First, we determined the composition of tomato xylem sap, where fast multiplication of the pathogen occurs. Then, kinetic growth on single and mixtures of carbon sources in relation to this environment was performed to fully quantify growth. Finally, we calculated the concentration of available metabolites in the xylem sap flux to assess how much it can support bacterial growth in planta. Overall, the study underlines the adaptation of R. solanacearum to the xylem environment and the fact that the pathogen assimilates several substrates at the same time in media composed of several carbon sources. It also provides metrics on key physiological parameters governing the growth of this major pathogen, which will be instrumental in the future to better understand its metabolic behavior during infection.
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