ArticleBMC genomics2018
Transcriptomic profiling of Burkholderia phymatum STM815, Cupriavidus taiwanensis LMG19424 and Rhizobium mesoamericanum STM3625 in response to Mimosa pudica root exudates illuminates the molecular basis of their nodulation competitiveness and symbiotic evolutionary history.
Article in BMC genomics, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers.
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17 citing papers in PubMed, 39 citations in OpenAlex.
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- Tn-seq profiling reveals that NodS of the beta-rhizobium Paraburkholderia phymatum is detrimental for nodulating soybean.Communications biology · 2024Article
- The peanut root exudate increases the transport and metabolism of nutrients and enhances the plant growth-promoting effects of burkholderia pyrrocinia strain P10.BMC microbiology · 2023Article
- Discovery of a novel filamentous prophage in the genome of theFrontiers in microbiology · 2023Article
- Differential Genetic Strategies of Burkholderia vietnamiensis and Paraburkholderia kururiensis for Root Colonization of Oryza sativa subsp.Applied and environmental microbiology · 2022Article
- Scent of a Symbiont: The Personalized Genetic Relationships of Rhizobium-Plant Interaction.International journal of molecular sciences · 2022Review
- A novel function of the key nitrogen-fixation activator NifA in beta-rhizobia: Repression of bacterial auxin synthesis during symbiosis.Frontiers in plant science · 2022Article
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- Redox Regulation in Diazotrophic Bacteria in Interaction with Plants.Antioxidants (Basel, Switzerland) · 2021Review
- Pan-Genome Analysis Reveals Host-Specific Functional Divergences inMicroorganisms · 2021Article
- Differential Expression ofFrontiers in plant science · 2021Article
- Inoculation of Mimosa Pudica with Paraburkholderia phymatum Results in Changes to the Rhizoplane Microbial Community Structure.Microbes and environments · 2021Article
- Root Exudates Alter the Expression of Diverse Metabolic, Transport, Regulatory, and Stress Response Genes in RhizosphereFrontiers in microbiology · 2021Article
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- Functional Genomics Approaches to Studying Symbioses between Legumes and Nitrogen-Fixing Rhizobia.High-throughput · 2018Review
- Metabolomics and Transcriptomics Identify Multiple Downstream Targets of Paraburkholderia phymatum σInternational journal of molecular sciences · 2018Article
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5 authors at 3 institutions in 1 country.
Funding
Abstract
backgroundRhizobial symbionts belong to the classes Alphaproteobacteria and Betaproteobacteria (called "alpha" and "beta"-rhizobia). Most knowledge on the genetic basis of symbiosis is based on model strains belonging to alpha-rhizobia. Mimosa pudica is a legume that offers an excellent opportunity to study the adaptation toward symbiotic nitrogen fixation in beta-rhizobia compared to alpha-rhizobia. In a previous study (Melkonian et al., Environ Microbiol 16:2099-111, 2014) we described the symbiotic competitiveness of M. pudica symbionts belonging to Burkholderia, Cupriavidus and Rhizobium species.
resultsIn this article we present a comparative analysis of the transcriptomes (by RNAseq) of B. phymatum STM815 (BP), C. taiwanensis LMG19424 (CT) and R. mesoamericanum STM3625 (RM) in conditions mimicking the early steps of symbiosis (i.e. perception of root exudates). BP exhibited the strongest transcriptome shift both quantitatively and qualitatively, which mirrors its high competitiveness in the early steps of symbiosis and its ancient evolutionary history as a symbiont, while CT had a minimal response which correlates with its status as a younger symbiont (probably via acquisition of symbiotic genes from a Burkholderia ancestor) and RM had a typical response of Alphaproteobacterial rhizospheric bacteria. Interestingly, the upregulation of nodulation genes was the only common response among the three strains; the exception was an up-regulated gene encoding a putative fatty acid hydroxylase, which appears to be a novel symbiotic gene specific to Mimosa symbionts.
conclusionThe transcriptional response to root exudates was correlated to each strain nodulation competitiveness, with Burkholderia phymatum appearing as the best specialised symbiont of Mimosa pudica.
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