Name: Francisella piscicida Ottem et al. 2008

Category: Species

Proposed as: sp. nov.

Etymology: pis.ci.ci’da. L. gen. masc. n. piscis, fish; L. masc. n. suff. -cida, killer; from L. inf. v. caedere, to kill; N.L. masc. n. piscicida, fish-killer, causing fish mortality (nominative in apposition)

Pronunciation, gender: pis-ki-KI-da, feminine

Type strain: CNCM I-3511; DSM 18777; GM2212; GM2212-2005; LMG 24256

16S rRNA gene: DQ309246 Analyse FASTA

Effective publication: Ottem KF, Nylund A, Karlsbakk E, Friis-Moller A, Krossoy B, Knappskog D. New species in the genus Francisella (Gammaproteobacteria; Francisellaceae); Francisella piscicida sp. nov. isolated from cod (Gadus morhua). Arch Microbiol 2007; 188:547-550.

IJSEM list: Euzeby JP. Validation list no. 119. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2008; 58:1-2.

Nomenclatural status: validly published under the ICNP

Taxonomic status: synonym (and not recommended for medical use)

Correct name: Francisella noatunensis (Mikalsen et al. 2007) Ottem et al. 2009

Risk group: 1

• Synonyms:

  • Name	Kind
    Francisella noatunensis (Mikalsen et al. 2007) Ottem et al. 2009	heterotypic synonym, validly published under the ICNP
    Francisella philomiragia subsp. noatunensis Mikalsen et al. 2007	heterotypic synonym, validly published under the ICNP, distinct rank

• Notes:
  • ⏲ According to Ottem et al. (2009), this species is a later heterotypic synonym of Francisella noatunensis (Mikalsen et al. 2007) Ottem et al. 2009. Publication: Ottem KF, Nylund A, Karlsbakk E, Friis-Moller A, Kamaishi T. Elevation of Francisella philomiragia subsp. noatunensis Mikalsen et al. (2007) to Francisella noatunensis comb. nov. [syn. Francisella piscicida Ottem et al. (2008) syn. nov.] and characterization of Francisella noatunensis subsp. orientalis subsp. nov., two important fish pathogens. J Appl Microbiol 2009; 106:1231-1243.
  • ❗ Francisella piscicida is the correct name instead if this species is regarded as a separate species (i.e., if its nomenclatural type is not assigned to another species whose name is validly published, legitimate and not rejected and has priority) within a separate genus Francisella.
  • 😷 The risk group for Belgium has been imported on 2024-02-05. The full classification is: risk group = 1, note = "animal pathogen - biological class of risk animal: 2". — The risk group for Germany has been imported on 2023-10-29. The full classification is: risk group = 1, note = "t2". — If in doubt, use the risk group given in the regulations for your country and, if these are not available, use the risk group given in the catalogue of the culture collection from which you have obtained or intend to obtain the strain.
  • 🎓 Name mentioned 6 times in PubMed until 2025-06-04.
  • 🙅 This name is on the List of Recommended Names for bacteria of medical importance (LoRN) as a synonym of 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.
  • 🧍 In the effective publication, the etymology is erroneously cited as follows: piscicida L. f.; from L. pisces m. fish, suff. -cida from L. f. caedere, to kill, 'fish-killer' i.e. causing fish mortality. Publication: Euzeby JP. List of Bacterial Names with Standing in Nomenclature: a folder available on the Internet. Int J Syst Bacteriol 1997; 47:590-592.
  • 🧍 The 16S rDNA sequences of the type strain of Francisella piscicida Ottem et al. 2008 and of the type strain of Francisella philomiragia subsp. noatunensis Mikalsen et al. 2007 show 100% similarity. The DNA-DNA hybridization data against the type of Francisella philomiragia suggest that Francisella philomiragia subsp. noatunensis and Francisella piscicida may constitute heterotypic synonyms. If this were to be the case then the rule of priority would apply and the epithet noatunensis in Francisella philomiragia subsp. noatunensis Mikalsen et al. 2007 would have priority over the epithet piscicida in Francisella piscicida Ottem et al. 2008. Whether the epithet noatunensis would be used at the rank of subspecies or species will depend on further research. Publication: Euzeby JP. Validation list no. 119. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2008; 58:1-2.

Parent taxon: Francisella Dorofeev 1947 (Approved Lists 1980)

Assigned by: Ottem KF, Nylund A, Karlsbakk E, Friis-Moller A, Krossoy B, Knappskog D. New species in the genus Francisella (Gammaproteobacteria; Francisellaceae); Francisella piscicida sp. nov. isolated from cod (Gadus morhua). Arch Microbiol 2007; 188:547-550.

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Record number: 787131