ArticleJournal of experimental botany2014
RNA-seq transcriptome profiling reveals that Medicago truncatula nodules acclimate N₂ fixation before emerging P deficiency reaches the nodules.
Article in Journal of experimental botany, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 36 papers.
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Who cites it
36 citing papers in PubMed, 92 citations in OpenAlex.
- Identification of nodule number-related loci and the candidate gene GmbHLH135 in soybean under low phosphorus stress.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2026Article
- Phosphate deficiency reduces nodule formation through a phosphate starvation response-like protein in Phaseolus vulgaris.Plant & cell physiology · 2025Article
- Starve or share? Phosphate availability shapes plant-microbe interactions.PLoS pathogens · 2025Article
- Understanding the Crucial Role of Phosphate and Iron Availability in Regulating Root Nodule Symbiosis.Plant & cell physiology · 2024Review
- Overexpression of GmPAP4 Enhances Symbiotic Nitrogen Fixation and Seed Yield in Soybean under Phosphorus-Deficient Condition.International journal of molecular sciences · 2024Article
- UnregulatedInternational journal of molecular sciences · 2024Article
- Response of soybean root exudates and related metabolic pathways to low phosphorus stress.PloS one · 2024Article
- Mineral and Carbon Metabolic Adjustments in Nodules of Symbiotically Grown Faba Bean (Plants (Basel, Switzerland) · 2023Article
- Influence of Increase in Phosphorus Supply on Agronomic, Phenological, and Physiological Performance of Two Common Bean Breeding Lines Grown in Acidic Soil under High Temperature Stress Conditions.Plants (Basel, Switzerland) · 2023Article
- A modified aeroponic system for growing small-seeded legumes and other plants to study root systems.Plant methods · 2023Article
- Article
- Genes Associated with Biological Nitrogen Fixation Efficiency Identified Using RNA Sequencing in Red Clover (Life (Basel, Switzerland) · 2022Article
- Progress in the Self-Regulation System in Legume Nodule Development-AON (Autoregulation of Nodulation).International journal of molecular sciences · 2022Review
- Impact of phosphorous-deficit conditions on morpho-physiological traits and phosphorous metabolism in chickpea genotypes.Protoplasma · 2022Article
- Innovation and appropriation in mycorrhizal and rhizobial Symbioses.The Plant cell · 2022Article
- GmSPX8, a nodule-localized regulator confers nodule development and nitrogen fixation under phosphorus starvation in soybean.BMC plant biology · 2022Article
- Increased nodular P level induced by intercropping stimulated nodulation in soybean under phosphorus deficiency.Scientific reports · 2022Article
- Prospecting catabolic diversity of microbial strains for developing microbial consortia and their synergistic effect on Lentil (Lens esculenta) growth, yield and iron biofortification.Archives of microbiology · 2021Article
- Co-Inoculation ofPlants (Basel, Switzerland) · 2021Article
- Spatial Divergence ofPlant physiology · 2020Article
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Authors and funding
9 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Legume nodules are plant tissues with an exceptionally high concentration of phosphorus (P), which, when there is scarcity of P, is preferentially maintained there rather than being allocated to other plant organs. The hypothesis of this study was that nodules are affected before the P concentration in the organ declines during whole-plant P depletion. Nitrogen (N₂) fixation and P concentration in various organs were monitored during a whole-plant P-depletion process in Medicago truncatula. Nodule gene expression was profiled through RNA-seq at day 5 of P depletion. Until that point in time P concentration in leaves reached a lower threshold but was maintained in nodules. N₂-fixation activity per plant diverged from that of fully nourished plants beginning at day 5 of the P-depletion process, primarily because fewer nodules were being formed, while the activity of the existing nodules was maintained for as long as two weeks into P depletion. RNA-seq revealed nodule acclimation on a molecular level with a total of 1140 differentially expressed genes. Numerous genes for P remobilization from organic structures were increasingly expressed. Various genes involved in nodule malate formation were upregulated, while genes involved in fermentation were downregulated. The fact that nodule formation was strongly repressed with the onset of P deficiency is reflected in the differential expression of various genes involved in nodulation. It is concluded that plants follow a strategy to maintain N₂ fixation and viable leaf tissue as long as possible during whole-plant P depletion to maintain their ability to react to emerging new P sources (e.g. through active P acquisition by roots).
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