Species ***Mesorhizobium* *hawassense***

Name: Mesorhizobium hawassense Degefu et al. 2013

Category: Species

Proposed as: sp. nov.

Etymology: ha.was.sen’se. N.L. neut. adj. hawassense, of Hawassa, referring to Hawassa, the regional capital of southern Ethiopia where the type strain was isolated

Pronunciation (Latin), gender: me-so-r^hi-ZO-bi-um ha-was-SEN-se, neuter

Type strain: AC99b; HAMBI 3301; LMG 26968

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: GQ847899 Analyse FASTA

Valid publication: Degefu T, Wolde-Meskel E, Liu B, Cleenwerck I, Willems A, Frostegard A. Mesorhizobium shonense sp. nov., Mesorhizobium hawassense sp. nov. and Mesorhizobium abyssinicae sp. nov., isolated from root nodules of different agroforestry legume trees. Int J Syst Evol Microbiol 2013; 63:1746-1753. 🇳🇴

IJSEM list: Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 63, part 5 of the IJSEM. Int J Syst Evol Microbiol 2013; 63:2755-2756.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

Notes:
- 🧬 The phylogenomic assignment score of this taxon is 0.06421 (N = 17).
- 😷 The risk group for Germany has been imported on 2026-08-13. The full classification is: risk group = 1. — If in doubt, use the risk group given in the regulations for your country and, if these are not available, use the risk group given in the catalogue of the culture collection from which you have obtained or intend to obtain the strain.
- 🎓 Name mentioned 2 times in PubMed until 2026-06-11.
- 🧍 The phylogenetic position of this species was determined in a genome-scale analysis by Hördt et al. (2020). Publication: Hordt A, Lopez MG, Meier-Kolthoff JP, Schleuning M, Weinhold LM, Tindall BJ, Gronow S, Kyrpides NC, Woyke T, Goker M. Analysis of 1,000+ Type-Strain Genomes Substantially Improves Taxonomic Classification of Alphaproteobacteria. Front Microbiol 2020; 11:468. 🇩🇪

Parent taxon: Mesorhizobium Jarvis et al. 1997

Assigned by: Degefu T, Wolde-Meskel E, Liu B, Cleenwerck I, Willems A, Frostegard A. Mesorhizobium shonense sp. nov., Mesorhizobium hawassense sp. nov. and Mesorhizobium abyssinicae sp. nov., isolated from root nodules of different agroforestry legume trees. Int J Syst Evol Microbiol 2013; 63:1746-1753. 🇳🇴

Linking: To permanently link to this page, use https://doi.org/10.83108/rn.790770Link copied to clipboard

Record number: 790770

This LPSN page was printed on 2026-09-12 01:22:38

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Species Mesorhizobium hawassense

Species ***Mesorhizobium* *hawassense***