ArticlePlanta2011
Involvement of auxin distribution in root nodule development of Lotus japonicus.
Article in Planta, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 25 papers.
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Who cites it
25 citing papers in PubMed, 76 citations in OpenAlex.
- Hormone-modulated transcription factors orchestrating the root nodule symbiosis.Frontiers in plant science · 2026Review
- Morphological changes of lenticels and their role in gas exchange and sprouting physiology of potato tubers during postharvest storage.Frontiers in plant science · 2025Article
- Transcriptomic and Metabolomic Analyses Reveal the Roles of Flavonoids and Auxin on Peanut Nodulation.International journal of molecular sciences · 2023Article
- The developmental dynamics in cool season legumes with focus on chickpea.Plant molecular biology · 2023Review
- Right time, right place: The dynamic role of hormones in rhizobial infection and nodulation of legumes.Plant communications · 2022Review
- A roadmap of plant membrane transporters in arbuscular mycorrhizal and legume-rhizobium symbioses.Plant physiology · 2021Review
- TheInternational journal of molecular sciences · 2021Article
- No Home without Hormones: How Plant Hormones Control Legume Nodule Organogenesis.Plant communications · 2020Review
- A convenient, soil-free method for the production of root nodules in soybean to study the effects of exogenous additives.Plant direct · 2019Article
- Expression Analysis ofInternational journal of molecular sciences · 2019Article
- Accumulation of and Response to Auxins in Roots and Nodules of the Actinorhizal PlantFrontiers in plant science · 2019Article
- Acropetal Auxin Transport Inhibition Is Involved in Indeterminate But Not Determinate Nodule Formation.Frontiers in plant science · 2018Article
- Nodule-Enriched GRETCHEN HAGEN 3 Enzymes Have Distinct Substrate Specificities and Are Important for Proper Soybean Nodule Development.International journal of molecular sciences · 2017Article
- MtLAX2, a Functional Homologue of the Arabidopsis Auxin Influx Transporter AUX1, Is Required for Nodule Organogenesis.Plant physiology · 2017Article
- Quantitative modelling of legume root nodule primordium induction by a diffusive signal of epidermal origin that inhibits auxin efflux.BMC plant biology · 2016Article
- The Control of Auxin Transport in Parasitic and Symbiotic Root-Microbe Interactions.Plants (Basel, Switzerland) · 2015Review
- MicroRNA167-Directed Regulation of the Auxin Response Factors GmARF8a and GmARF8b Is Required for Soybean Nodulation and Lateral Root Development.Plant physiology · 2015Article
- Phytohormone regulation of legume-rhizobia interactions.Journal of chemical ecology · 2014Review
- Article
- Ectopic expression of miR160 results in auxin hypersensitivity, cytokinin hyposensitivity, and inhibition of symbiotic nodule development in soybean.Plant physiology · 2013Article
Corrections and comments
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Authors and funding
3 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The symbiosis between legume plants and rhizobia causes the development of new organs, nodules which function as an apparatus for nitrogen fixation. In this study, the roles of auxin in nodule development in Lotus japonicus have been demonstrated using molecular genetic tools and auxin inhibitors. The expression of an auxin-reporter GH3 fused to β-glucuronidase (GUS) was analyzed in L. japonicus roots, and showed a strong signal in the central cylinder of the root, whereas upon rhizobium infection, generation of GUS signal was observed at the dividing outer cortical cells during the first nodule cell divisions. When nodules were developed to maturity, strong GUS staining was detected in vascular tissues of nodules, suggesting distinct auxin involvement in the determinate nodule development. Numbers and the development of nodules were affected by auxin transport inhibitors (1-naphthylphthalamic acid, NPA and triindobenzoic acid, TIBA), and by a newly synthesized auxin antagonist, α-(phenyl ethyl-2-one)-indole-3-acetic acid (PEO-IAA). The common phenotypical alteration by these auxin inhibitors was the inhibition in forming lenticel which is normally developed on the nodule surface from the root outer cortex. The inhibition of lenticel formation was correlated with the inhibition of nodule vascular bundle development. These results indicate that auxin is required for the normal development of determinate nodules in a multidirectional manner.
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