Species ***Pseudomonas* *inefficax***

Name: Pseudomonas inefficax Keshavarz-Tohid et al. 2019

Category: Species

Proposed as: sp. nov.

Etymology: in.ef’fi.cax. L. fem. adj. inefficax, inefficient. The strains have no effect on plant growth

Pronunciation, gender: in-EF-fi-kax, feminine

Type strain: CFBP 8493; DSM 108619; JV551A3; Pseudomonas sp. JV551A3

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: OPYN01000008 Analyse FASTA

Effective publication: Keshavarz-Tohid V, Vacheron J, Dubost A, Prigent-Combaret C, Taheri P, Tarighi S, Taghavi SM, Moenne-Loccoz Y, Muller D. Genomic, phylogenetic and catabolic re-assessment of the Pseudomonas putida clade supports the delineation of Pseudomonas alloputida sp. nov., Pseudomonas inefficax sp. nov., Pseudomonas persica sp. nov., and Pseudomonas shirazica sp. nov. Syst Appl Microbiol 2019; 42:468-480.

IJSEM list: Oren A, Garrity GM. Validation list no. 190. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2019; 69:3313-3314.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name (and explicitly recommended for medical use)

Notes:
- 🎓 Name mentioned 3 times in PubMed until 2025-06-04.
- 🪓 Organisms assigned to this species have previously been classified as Pseudomonas putida (Trevisan 1889) Migula 1895 (Approved Lists 1980). Publication: Migula W. Schizomycetes (Bacteria, Bacterien). In: Engler A, Prantl K (eds), Die Natürlichen Pfanzenfamilien Teil I, Abteilung Ia, Wilhelm Engelmann, Leipzig, 1895, p. 1-44. Skerman VBD, McGowan V, Sneath PHA. Approved lists of bacterial names. Int J Syst Bacteriol 1980; 30:225-420.
- 🫡 This name is on the List of Recommended Names for bacteria of medical importance (LoRN) as the name to be applied to this species. The name is on LoRN because of the recorded risk group of other species in the genus. This name is not taxonomically suspended any more in favour of Pseudomonas putida (Trevisan 1889) Migula 1895 (Approved Lists 1980). Publication: Migula W. Schizomycetes (Bacteria, Bacterien). In: Engler A, Prantl K (eds), Die Natürlichen Pfanzenfamilien Teil I, Abteilung Ia, Wilhelm Engelmann, Leipzig, 1895, p. 1-44. Skerman VBD, McGowan V, Sneath PHA. Approved lists of bacterial names. Int J Syst Bacteriol 1980; 30:225-420.

Parent taxon: Pseudomonas Migula 1894 (Approved Lists 1980)

Assigned by: Keshavarz-Tohid V, Vacheron J, Dubost A, Prigent-Combaret C, Taheri P, Tarighi S, Taghavi SM, Moenne-Loccoz Y, Muller D. Genomic, phylogenetic and catabolic re-assessment of the Pseudomonas putida clade supports the delineation of Pseudomonas alloputida sp. nov., Pseudomonas inefficax sp. nov., Pseudomonas persica sp. nov., and Pseudomonas shirazica sp. nov. Syst Appl Microbiol 2019; 42:468-480.

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Record number: 5471

This LPSN page was printed on 2025-11-17 19:34:11

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Species Pseudomonas inefficax

Species ***Pseudomonas* *inefficax***