Name: Aliirhizobium corrig. Ma et al. 2024

Category: Genus

Proposed as: gen. nov.

Etymology: A.li.i.rhi.zo’bi.um. N.L. neut. n. Aliirhizobium

Gender, pronunciation (Latin): neuter (stem: Aliirhizobi-), a-li-i-r^hi-ZO-bi-um

Type species: Aliirhizobium cellulosilyticum corrig. (García-Fraile et al. 2007) Ma et al. 2024

Conduct genome-based taxonomy of genus at TYGS

16S rRNA gene: Analyse FASTA

Effective publication: Ma T, Xue H, Piao C, Jiang N, Li Y. Phylogenomic reappraisal of the family Rhizobiaceae at the genus and species levels, including the description of Ectorhizobium quercum gen. nov., sp. nov. Front Microbiol 2023; 14:1207256. 🇨🇳

IJSEM list: Oren A, Göker M. Validation list no. 219. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2024; 74:6452.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

• Synonyms:

  • Name	Kind
    Terrirhizobium Sbissi et al. 2025	heterotypic synonym, validly published under the ICNP
    Alirhizobium Ma et al. 2024	other spelling of name, inaccurate spelling

• Notes:
  • 🚋 The type species of this genus has alternatively been placed in the genus Rhizobium Frank 1889 (Approved Lists 1980). Publication: Garcia-Fraile P, Rivas R, Willems A, Peix A, Martens M, Martinez-Molina E, Mateos PF, Velazquez E. Rhizobium cellulosilyticum sp. nov., isolated from sawdust of Populus alba. Int J Syst Evol Microbiol 2007; 57:844-848. 🇪🇸
  • 🚋 The type species of this genus has alternatively been placed in the genus Alirhizobium Ma et al. 2024. Publication: Ma T, Xue H, Piao C, Jiang N, Li Y. Phylogenomic reappraisal of the family Rhizobiaceae at the genus and species levels, including the description of Ectorhizobium quercum gen. nov., sp. nov. Front Microbiol 2023; 14:1207256. 🇨🇳
  • 🧔 This taxon was discussed in a meeting of a Taxonomic Subcommittee of the ICSP. Publication: Mousavi SA, Young JPW. International Committee on Systematics of Prokaryotes Subcommittee on the taxonomy of Rhizobia and Agrobacteria: minutes of the 2024 closed annual meeting. Int J Syst Evol Microbiol 2025; 75:6680. 🇫🇮
  • 💁 Taxonomists who have recently focused on this group are the corresponding authors of Celador-Lera et al. (2017). Editors in search of reviewers are advised to consider additional criteria such as whether a taxon is covered by one of the ICSP subcommittees.
  • 😢 The terminology used by the authors is in line with many other taxonomic studies and does not negatively affect their main results; some improvements may nevertheless be possible. Contrasting the term "chemotaxonomic" with "phenotypic" is not recommended. The phrase "validly described" is misleading. See the LPSN phylogeny page for details. Publication: Göker M. What can genome analysis offer for bacteria? In: Bridge P, Smith D, Stackebrandt E (eds), Trends in the systematics of bacteria and fungi, CAB International, Wallingford, 2021, p. 255-281. 🇬🇧
  • 🎰 The BRCs most frequently used for deposits in this group are: DSM: 3; LMG: 3; CECT: 2; KCTC: 1; CGMCC: 1; BCRC: 1; JCM: 1; CCTCC: 1.

Subdivision:

Number of child taxa with a validly published and correct name: 4
Number of child taxa with a validly published name, including synonyms: 5
Total number of child taxa: 5

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    Aliirhizobium cellulosilyticum corrig. (García-Fraile et al. 2007) Ma et al. 2024	validly published under the ICNP	correct name
    Aliirhizobium smilacinae corrig. (Zhang et al. 2015) Ma et al. 2024	validly published under the ICNP	correct name
    Aliirhizobium terrae Lin et al. 2025	validly published under the ICNP	correct name
    Aliirhizobium wenxiniae corrig. (Gao et al. 2017) Ma et al. 2026	validly published under the ICNP	correct name
    Aliirhizobium zeae (Celador-Lera et al. 2017) Naranjo-Robayo et al. 2026	validly published under the ICNP	synonym

Parent taxon: Rhizobiaceae Conn 1938 (Approved Lists 1980)

Assigned by: Lin SY, Lin TY, Hameed A, Tsai CF, Young CC. Description of Aliirhizobium terrae sp. nov., A Plant Growth-Promoting Bacterium Isolated from a Maize-Rice Rotation Agriculture Field. Curr Microbiol 2024; 81:328. 🇹🇼

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Record number: 53905

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    1	2026-03-31