ArticleEcology and evolution2016
Decoupled genomic elements and the evolution of partner quality in nitrogen-fixing rhizobia.
Article in Ecology and evolution, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed, 19 citations in OpenAlex.
- Plasmid transmission dynamics and evolution of partner quality in a natural population ofmBio · 2025Article
- It's complicated: relationships between integrative and conjugative elements and their bacterial hosts.Current opinion in microbiology · 2024Review
- Conventional management has a greater negative impact onFrontiers in plant science · 2024Article
- Legume-imposed selection for more-efficient symbiotic rhizobia.Proceedings of the National Academy of Sciences of the United States of America · 2021Article
- The diversity and evolution of microbial dissimilatory phosphite oxidation.Proceedings of the National Academy of Sciences of the United States of America · 2021Article
- Transmission, relatedness, and the evolution of cooperative symbionts.Journal of evolutionary biology · 2019Article
- Nodulation and Delayed Nodule Senescence: Strategies of Two Bradyrhizobium Japonicum Isolates with High Capacity to Fix Nitrogen.Current microbiology · 2018Article
- Symbiont switching and alternative resource acquisition strategies drive mutualism breakdown.Proceedings of the National Academy of Sciences of the United States of America · 2018Article
- Policing the legume-Rhizobium symbiosis: a critical test of partner choice.Scientific reports · 2017Article
Corrections and comments
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Authors and funding
7 authors at 5 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Understanding how mutualisms evolve in response to a changing environment will be critical for predicting the long-term impacts of global changes, such as increased N (nitrogen) deposition. Bacterial mutualists in particular might evolve quickly, thanks to short generation times and the potential for independent evolution of plasmids through recombination and/or HGT (horizontal gene transfer). In a previous work using the legume/rhizobia mutualism, we demonstrated that long-term nitrogen fertilization caused the evolution of less-mutualistic rhizobia. Here, we use our 63 previously isolated rhizobium strains in comparative phylogenetic and quantitative genetic analyses to determine the degree to which variation in partner quality is attributable to phylogenetic relationships among strains versus recent genetic changes in response to N fertilization. We find evidence of distinct evolutionary relationships between chromosomal and pSym genes, and broad similarity between pSym genes. We also find that nifD has a unique evolutionary history that explains much of the variation in partner quality, and suggest MoFe subunit interaction sites in the evolution of less-mutualistic rhizobia. These results provide insight into the mechanisms behind the evolutionary response of rhizobia to long-term N fertilization, and we discuss the implications of our results for the evolution of the mutualism.
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Registered trials
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