ArticleThe ISME journal2016
Rhizobium-legume symbiosis in the absence of Nod factors: two possible scenarios with or without the T3SS.
Article in The ISME journal, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 74 papers.
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Who cites it
74 citing papers in PubMed.
- Review
- Genomic and functional characterization of Rhizobium metallidurans NS41, a heavy-metal-resistant, non-legume-associated endophyte that reduces oxidative stress in metal-exposed maize.Molecular genetics and genomics : MGG · 2026Article
- Coordination of PTI and ETI in legume-rhizobium mutualism.aBIOTECH · 2026Review
- Bradyrhizobium dasycarpae sp. nov. a novel rhizobial species lacking canonical nod genes, isolated from the Moroccan endemic legume Retama dasycarpa.Antonie van Leeuwenhoek · 2026Article
- Article
- A Bradyrhizobium isolate from a marine diatom induces nitrogen-fixing nodules in a terrestrial legume.Nature microbiology · 2025Article
- Diversity of bradyrhizobial T3SS systems and their roles in symbiosis with peanut (Applied and environmental microbiology · 2025Article
- The rhizobial type III effectors ErnA and Sup3 hijack the SUMOylation pathway to trigger nodule formation in Aeschynomene species.The New phytologist · 2025Article
- Enacting partner specificity in legume-rhizobia symbioses.aBIOTECH · 2025Review
- Deciphering the rhizosphere microbiota composition of nature farming soybean (Glycine max L.) with different nodulation phenotypes.BMC plant biology · 2025Article
- A new type III effector from Bradyrhizobium sp. DOA9 encoding a putative SUMO-protease blocks nodulation in Arachis hypogaea L.Scientific reports · 2024Article
- Atypical rhizobia trigger nodulation and pathogenesis on the same legume hosts.Nature communications · 2024Article
- The type III effector NopL interacts with GmREM1a and GmNFR5 to promote symbiosis in soybean.Nature communications · 2024Article
- Occurrence and diversity of stem nodulation in Aeschynomene and Sesbania legumes from wetlands of Madagascar.Scientific reports · 2024Article
- Comparative genomics analysis reveals genetic characteristics and nitrogen fixation profile ofiScience · 2024Article
- Exploring the potential of endophyte-plant interactions for improving crop sustainable yields in a changing climate.Frontiers in plant science · 2024Review
- Characterization of photosyntheticPlant signaling & behavior · 2023Article
- Signaling in Legume-Rhizobia Symbiosis.International journal of molecular sciences · 2023Review
- G-type receptor-like kinase AsNIP43 interacts with rhizobia effector nodulation outer protein P and is required for symbiosis.Plant physiology · 2023Article
- Widespread Bradyrhizobium distribution of diverse Type III effectors that trigger legume nodulation in the absence of Nod factor.The ISME journal · 2023Article
14 more citing papers are in PubMed but not listed here.
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14 authors.
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Abstract
The occurrence of alternative Nod factor (NF)-independent symbiosis between legumes and rhizobia was first demonstrated in some Aeschynomene species that are nodulated by photosynthetic bradyrhizobia lacking the canonical nodABC genes. In this study, we revealed that a large diversity of non-photosynthetic bradyrhizobia, including B. elkanii, was also able to induce nodules on the NF-independent Aeschynomene species, A. indica. Using cytological analysis of the nodules and the nitrogenase enzyme activity as markers, a gradient in the symbiotic interaction between bradyrhizobial strains and A. indica could be distinguished. This ranged from strains that induced nodules that were only infected intercellularly to rhizobial strains that formed nodules in which the host cells were invaded intracellularly and that displayed a weak nitrogenase activity. In all non-photosynthetic bradyrhizobia, the type III secretion system (T3SS) appears required to trigger nodule organogenesis. In contrast, genome sequence analysis revealed that apart from a few exceptions, like the Bradyrhizobium ORS285 strain, photosynthetic bradyrhizobia strains lack a T3SS. Furthermore, analysis of the symbiotic properties of an ORS285 T3SS mutant revealed that the T3SS could have a positive or negative role for the interaction with NF-dependent Aeschynomene species, but that it is dispensable for the interaction with all NF-independent Aeschynomene species tested. Taken together, these data indicate that two NF-independent symbiotic processes are possible between legumes and rhizobia: one dependent on a T3SS and one using a so far unknown mechanism.
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