ArticlePloS one2017
Lotus japonicus alters in planta fitness of Mesorhizobium loti dependent on symbiotic nitrogen fixation.
Article in PloS one, 2017. 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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Who cites it
11 citing papers in PubMed.
- Nitrogen fertilization nullifies host sanctions against non-fixing rhizobia and drives divestment from symbiosis inProceedings. Biological sciences · 2025Article
- Managing Friends and Foes: Sanctioning Mutualists in Mixed-Infection Nodules Trades off With Defense Against Antagonists.Evolutionary applications · 2025Article
- Host-imposed control mechanisms in legume-rhizobia symbiosis.Nature microbiology · 2024Review
- Evaluation of qPCR to Detect Shifts in Population Composition of the Rhizobial SymbiontBiology · 2023Article
- Hosts winnow symbionts with multiple layers of absolute and conditional discrimination mechanisms.Proceedings. Biological sciences · 2023Article
- The role of microbial interactions on rhizobial fitness.Frontiers in plant science · 2023Review
- An evolutionary perspective on increasing net benefits to crops from symbiotic microbes.Evolutionary applications · 2022Review
- How do less-expensive nitrogen alternatives affect legume sanctions on rhizobia?Ecology and evolution · 2020Article
- The impact of the rhizobia-legume symbiosis on host root system architecture.Journal of experimental botany · 2020Review
- Recurrent mutualism breakdown events in a legume rhizobia metapopulation.Proceedings. Biological sciences · 2020Article
- The Non-LegumeFrontiers in plant science · 2019Article
Corrections and comments
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Authors and funding
5 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Rhizobial bacteria are known for their capacity to fix nitrogen for legume hosts. However ineffective rhizobial genotypes exist and can trigger the formation of nodules but fix little if any nitrogen for hosts. Legumes must employ mechanisms to minimize exploitation by the ineffective rhizobial genotypes to limit fitness costs and stabilize the symbiosis. Here we address two key questions about these host mechanisms. What stages of the interaction are controlled by the host, and can hosts detect subtle differences in nitrogen fixation? We provide the first explicit evidence for adaptive host control in the interaction between Lotus japonicus and Mesorhizobium loti. In both single inoculation and co-inoculation experiments, less effective rhizobial strains exhibited reduced in planta fitness relative to the wildtype M. loti. We uncovered evidence of host control during nodule formation and during post-infection proliferation of symbionts within nodules. We found a linear relationship between rhizobial fitness and symbiotic effectiveness. Our results suggest that L. japonicus can adaptively modulate the fitness of symbionts as a continuous response to symbiotic nitrogen fixation.
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Registered trials
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