# Inorganic nitrogen inhibits symbiotic nitrogen fixation through blocking NRAMP2-mediated iron delivery in soybean nodules

*PRI Rank #15 · Topics and Trends in Most Cited Legume Nitrogen Fixing Symbiosis Papers, Class of 2026*

*Canonical URL: https://pri.pepkio.com/top-papers/legume-nitrogen-fixing-symbiosis/2026/rank-15*

| Field | Value |
| --- | --- |
| Rank | #15 |
| 18m citations | 30 |
| Journal | Nature Communications |
| Year | 2024 |
| DOI | 10.1038/s41467-024-53325-y |
| Corresponding authors | Deqiang Duanmu, Yuefeng Guan, Zhichang Chen |
| Institution | Fujian Agriculture and Forestry University, China |

**Ranking page:** [Topics and Trends in Most Cited Legume Nitrogen Fixing Symbiosis Papers, Class of 2026](https://pri.pepkio.com/top-papers/legume-nitrogen-fixing-symbiosis/2026)

**Paper link:** [10.1038/s41467-024-53325-y](https://doi.org/10.1038/s41467-024-53325-y)

## Topics

symbiotic nitrogen fixation · Legume-rhizobia symbiosis · inorganic nitrogen fertilizers · iron homeostasis · Soybean nodule · GmNRAMP2a · GmNRAMP2b · Natural Resistance-Associated Macrophage Protein 2 · tonoplast localization · uninfected nodule tissues · infected cells · iron transfer · GmNIGT1a · GmNIGT1b · nitrogen-regulated GARP-type transcription factors · nitrogen signaling · iron allocation · SNF efficiency modulation

## Cite this ranking

```
Pepkio Research Index (PRI). Topics and Trends in Most Cited Legume Nitrogen Fixing Symbiosis Papers, Class of 2026. https://pri.pepkio.com/top-papers/legume-nitrogen-fixing-symbiosis/2026. Accessed 2026-07-29.

Zheng Su, Tinsley Li, Thematic Shifts in Early-High-Impact Cancer Genomics and Diagnostics Research: A Bibliometric and Semantic Analysis. bioRxiv 2026.07.04.736459; doi: https://doi.org/10.64898/2026.07.04.736459
```