# Complete genome sequences of Rhizobium favelukesii strains T136, T1470, and T1473 from Canada

**Authors:** Eden S. P. Bromfield, Sylvie Cloutier

PMC · DOI: 10.1128/mra.01239-25 · 2026-02-09

## TL;DR

This paper presents the full genome sequences of three Rhizobium favelukesii strains from Canada, which are important for plant nodulation and nitrogen fixation.

## Contribution

The study provides newly sequenced and complete genomes of three Rhizobium favelukesii strains, including their chromosomal and plasmid content.

## Key findings

- Each genome includes a chromosome and multiple plasmids, totaling ~4.2 Mb and ~0.01–1.99 Mb respectively.
- The genomes contain genes related to nodulation and nitrogen fixation but lack type III secretion system genes.
- The strains were isolated from root-nodules of Medicago and Melilotus plants.

## Abstract

We report complete genome sequences of Rhizobium favelukesii strains T136, T1470, and T1473 isolated from root-nodules of Medicago and Melilotus. Each genome comprises a chromosome (~4.2 Mb) and four to seven plasmids (~0.01–1.99 Mb) and contains predicted nodulation and nitrogen-fixation genes but lacks predicted type III secretion system genes.

## Linked entities

- **Species:** Rhizobium favelukesii (taxon 348824), Medicago (taxon 3877), Melilotus (taxon 47081)

## Full-text entities

- **Chemicals:** nitrogen (MESH:D009584)
- **Species:** Rhizobium favelukesii (species) [taxon 348824]

## Figures

1 figure with captions in the complete paper: https://tomesphere.com/paper/PMC12981098/full.md

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Source: https://tomesphere.com/paper/PMC12981098