Name: Frankia irregularis Nouioui et al. 2018

Category: Species

Proposed as: sp. nov.

Etymology: ir.re.gu.la’ris. L. fem. adj. irregularis, of irregular, referring to the inability of the species to infect its original host plant and to infect taxonomically disparate host plants

Gender: feminine

Type strain: CECT 9038; DSM 45899; G2

Conduct genome-based taxonomy at

16S rRNA gene: MH145366 Analyse FASTA

Valid publication: Nouioui I, Ghodhbane-Gtari F, Rhode M, Sangal V, Klenk HP, Gtari M. Frankia irregularis sp. nov., an actinobacterium unable to nodulate its original host, Casuarina equisetifolia, but effectively nodulates members of the actinorhizal Rhamnales. Int J Syst Evol Microbiol 2018; 68:2883-2914. 🇹🇳

IJSEM list: Oren A, Garrity GM. Notification list. Notification that new names and new combinations have appeared in volume 68, part 9 of the IJSEM. Int J Syst Evol Microbiol 2018; 68:3685-3687.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

• Synonyms:

  • Name	Kind
    Parafrankia irregularis (Nouioui et al. 2018) Gtari 2023	homotypic synonym, validly published under the ICNP

• Notes:
  • 🎓 Name mentioned 2 times in PubMed until 2025-06-04.

Parent taxon: Frankia Brunchorst 1886 (Approved Lists 1980)

Assigned by: Nouioui I, Ghodhbane-Gtari F, Rhode M, Sangal V, Klenk HP, Gtari M. Frankia irregularis sp. nov., an actinobacterium unable to nodulate its original host, Casuarina equisetifolia, but effectively nodulates members of the actinorhizal Rhamnales. Int J Syst Evol Microbiol 2018; 68:2883-2914. 🇹🇳

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Record number: 796415