# Comparative genomics analysis reveals genetic characteristics and nitrogen fixation profile of Bradyrhizobium

*PRI Rank #19 · 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-19*

| Field | Value |
| --- | --- |
| Rank | #19 |
| 18m citations | 26 |
| Journal | iScience |
| Year | 2024 |
| DOI | 10.1016/j.isci.2024.108948 |
| Corresponding authors | Zhonghua Zhang, Kang Ning |
| Institution | Nanning Normal 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:** [10.1016/j.isci.2024.108948](https://doi.org/10.1016/j.isci.2024.108948)

## Topics

Bradyrhizobium · Biological nitrogen fixation · comparative genomics · pan-genome · core genes · accessory genes · symbiotic nitrogen fixation · Nodulation · Nif genes · nod genes · Legumes · bacterial secretion systems · gene families · presence/absence variation · genetic diversity · non-leguminous plants · soil bacteria · gene clusters

## 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
```