Name: Xaviernesmea Kuzmanović et al. 2022

Category: Genus

Proposed as: gen. nov.

Etymology: Xa.vier.nes’me.a. N.L. fem. n. Xaviernemea, in honour of Dr. Xavier Nesme, taxonomist of agrobacteria and rhizobia who pioneered the use of reverse ecology approaches to infer the ecology of Agrobacterium genomic species from comparative genomic analyses; N.L. fem. n. Xaviernesmea

Gender: feminine (stem: Xaviernesme-)

Type species: Xaviernesmea oryzae (Peng et al. 2008) Kuzmanović et al. 2022

Conduct genome-based taxonomy of genus at TYGS

16S rRNA gene: Analyse FASTA

Valid publication: Kuzmanovic N, Fagorzi C, Mengoni A, Lassalle F, diCenzo GC. Taxonomy of Rhizobiaceae revisited: proposal of a new framework for genus delimitation. Int J Syst Evol Microbiol 2022; 72:5243.

IJSEM list: Oren A, Garrity GM. Notification list. Notification that new names and new combinations have appeared in volume 72, part 3 of the IJSEM. Int J Syst Evol Microbiol 2022; 72:5393.

Nomenclatural status: validly published under the ICNP

Taxonomic status: synonym

Correct name: Allorhizobium de Lajudie et al. 1998

• Synonyms:

  • Name	Kind
    "Affinirhizobium" Ma et al. 2023	heterotypic synonym, not validly published
    Allorhizobium de Lajudie et al. 1998	heterotypic synonym, validly published under the ICNP

• Notes:
  • 🚂 For the type species of this genus another name is in use, which is affiliated with the genus Allorhizobium de Lajudie et al. 1998. Publication: Mousavi SA, Willems A, Nesme X, de Lajudie P, Lindstrom K. Revised phylogeny of Rhizobiaceae: proposal of the delineation of Pararhizobium gen. nov., and 13 new species combinations. Syst Appl Microbiol 2015; 38:84-90.
  • 🧔 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 closed annual meeting: videoconference on 11 October 2022 followed by online discussion until 31 December 2022. Int J Syst Evol Microbiol 2023; 73:5856.
  • 🧔 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 annual meeting by videoconference, 5 July 2021, followed by online discussion until 31 December 2021. Int J Syst Evol Microbiol 2022; 72:5453.
  • 🧔 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 closed annual meeting, videoconference on 2 October 2023, followed by online discussion until 31 December 2023. Int J Syst Evol Microbiol 2024; 74:6276.
  • ❗ Xaviernesmea is the correct name instead if this genus is regarded as a separate genus (i.e., if its nomenclatural type is not assigned to another genus whose name is validly published, legitimate and not rejected and has priority).
  • 🧬 The phylogenomic assignment score of this taxon is 0.05723 (N = 16).
  • 🎰 The BRCs most frequently used for deposits in this group are: KCTC: 1; LMG: 1; CGMCC: 1.

Subdivision:

Number of child taxa with a validly published and correct name: 0
Number of child taxa with a validly published name, including synonyms: 2
Total number of child taxa: 2

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    Xaviernesmea oryzae (Peng et al. 2008) Kuzmanović et al. 2022	validly published under the ICNP	synonym
    Xaviernesmea rhizosphaerae Kuzmanović et al. 2022	validly published under the ICNP	orphaned species

Parent taxon: Rhizobiaceae Conn 1938 (Approved Lists 1980)

Assigned by: Kuzmanovic N, Fagorzi C, Mengoni A, Lassalle F, diCenzo GC. Taxonomy of Rhizobiaceae revisited: proposal of a new framework for genus delimitation. Int J Syst Evol Microbiol 2022; 72:5243.

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Record number: 16198