Name: Metapseudomonas Rudra and Gupta 2024

Category: Genus

Proposed as: gen. nov.

Etymology: Me.ta.pseu.do’mo.nas. Gr. adv. meta, besides; N.L. fem. n. Pseudomonas, a bacterial genus; N.L. fem. n. Metapseudomonas, a genus beside Pseudomonas

Gender, pronunciation: feminine (stem: Metapseudomonad-), me-ta-pse͡u-DO-mo-nas

Type species: Metapseudomonas resinovorans (Delaporte et al. 1961) Rudra and Gupta 2024

Conduct genome-based taxonomy of genus at TYGS

16S rRNA gene: Analyse FASTA

Effective publication: Rudra B, Gupta RS. Phylogenomics studies and molecular markers reliably demarcate genus Pseudomonas sensu stricto and twelve other Pseudomonadaceae species clades representing novel and emended genera. Front Microbiol 2023; 14:1273665. 🇨🇦

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: synonym

Correct name: Pseudomonas Migula 1894 (Approved Lists 1980)

• Synonyms:

  • Name	Kind
    Pseudomonas Migula 1894 (Approved Lists 1980)	heterotypic synonym, validly published under the ICNP, conserved name
    Flavimonas Holmes et al. 1987	heterotypic synonym, validly published under the ICNP
    Geopseudomonas Rudra and Gupta 2024	heterotypic synonym, validly published under the ICNP
    Aquipseudomonas Rudra and Gupta 2024	heterotypic synonym, validly published under the ICNP
    Ectopseudomonas Rudra and Gupta 2024	heterotypic synonym, validly published under the ICNP
    Phytopseudomonas Rudra and Gupta 2024	heterotypic synonym, validly published under the ICNP
    "Caenipseudomonas" Rudra and Gupta 2024	heterotypic synonym, not validly published
    Zestomonas Rudra and Gupta 2024	heterotypic synonym, validly published under the ICNP
    Chryseomonas Holmes et al. 1986	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 Pseudomonas Migula 1894 (Approved Lists 1980). Publication: Delaporte B, Raymond M, Daste P. Une bactérie du sol capable d'utiliser, comme source de carbone, la fraction fixe de certaines oléorésines, Pseudomonas resinovorans n. sp. Compte Rendu des Séances de l'Académie des Sciences, Paris 1961; 252:1073-1075.
  • ❗ Metapseudomonas 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 0.05080 (N = 3).
  • 🎰 The BRCs most frequently used for deposits in this group are: CCUG: 4; DSM: 3; MCC: 2; LMG: 2; ATCC: 2; GDMCC: 2; NRRL: 1; CCM: 1; NBRC: 1; CECT: 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: 7
Total number of child taxa: 8

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    Metapseudomonas boanensis (Nicklasson et al. 2022) Rudra and Gupta 2024	validly published under the ICNP	synonym
    Metapseudomonas cellulosilytica Yang et al. 2026	validly published under the ICNP	orphaned species
    Metapseudomonas furukawaii (Kimura et al. 2018) Rudra and Gupta 2024	validly published under the ICNP	synonym
    Metapseudomonas lalkuanensis (Thorat et al. 2020) Rudra and Gupta 2024	validly published under the ICNP	synonym
    Metapseudomonas otitidis (Clark et al. 2006) Rudra and Gupta 2024	validly published under the ICNP	synonym
    Metapseudomonas phytobenefica Yang et al. 2026	validly published under the ICNP	orphaned species
    Metapseudomonas resinovorans (Delaporte et al. 1961) Rudra and Gupta 2024	validly published under the ICNP	synonym
    "Metapseudomonas tohonis" (Yamada et al. 2021) Rudra and Gupta 2024	not validly published	synonym

Parent taxon: Pseudomonadaceae Winslow et al. 1917 (Approved Lists 1980)

Assigned by: Rudra B, Gupta RS. Phylogenomics studies and molecular markers reliably demarcate genus Pseudomonas sensu stricto and twelve other Pseudomonadaceae species clades representing novel and emended genera. Front. Microbiol. 2024; 14:1273665. 🇨🇦

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Record number: 48420