Name: Neisseria weaveri Andersen et al. 1993

Category: Species

Proposed as: sp. nov.

Etymology: wea’ve.ri. N.L. gen. masc. n. weaveri, of Weaver, named in honor of Robert E. Weaver

Pronunciation (Latin), gender: … WEA-we-ri, feminine

Type strain: ATCC 51223; CDC 8142

Conduct genome-based taxonomy at

16S rRNA gene: AJ247250 Analyse FASTA

Effective publication: Andersen BM, Steigerwalt AG, O'Connor SP, Hollis DG, Weyant RS, Weaver RE, Brenner DJ. Neisseria weaveri sp. nov., formerly CDC group M-5, a gram-negative bacterium associated with dog bite wounds. J Clin Microbiol 1993; 31:2456-2466. 🇺🇸

IJSEM list: Anonymous. Validation list no. 47. Validation of publication of new names and new combinations previously effectively published outside the IJSB. Int J Syst Bacteriol 1993; 43:864-865.

Nomenclatural status: validly published under the ICNP, illegitimate name, later homonym

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

Correct name: Neisseria weaveri Holmes et al. 1993

Risk group: 2

• Synonyms:

  • Name	Kind
    Neisseria weaveri Holmes et al. 1993	heterotypic synonym, validly published under the ICNP

• Notes:
  • 🔨 This taxon name is replaced by Neisseria weaveri Holmes et al. 1993.
  • 🧬 The phylogenomic assignment score of this taxon is -0.02557 (N = 8).
  • 😷 The risk group for Belgium has been imported on 2024-02-05. The full classification is: risk group = 2, note = "human pathogen". — The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 2, note = "Animal classification RG: 1 - Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No - Containment level: Containment Level 2". — The risk group for Swiss Confederation has been imported on 2024-02-01. The full classification is: risk group = 2. — The risk group for Germany has been imported on 2023-10-29. The full classification is: risk group = 2. — 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 19 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 the species itself.
  • 🧍 Later homonym of Neisseria weaveri Holmes et al. 1993. Publication: Holmes B, Costas M, On SL, Vandamme P, Falsen E, Kersters K. Neisseria weaveri sp. nov. (formerly CDC group M-5), from dog bite wounds of humans. Int J Syst Bacteriol 1993; 43:687-693. 🇬🇧
  • 🧍 In Validation List no. 47, the first author's name is erroeneously cited as Anderson (in place of Andersen). Publication: Anonymous. Validation list no. 47. Validation of publication of new names and new combinations previously effectively published outside the IJSB. Int J Syst Bacteriol 1993; 43:864-865.
  • 🧍 In Validation List no. 47, the first author's name is erroneously cited as Anderson (in place of Andersen). — Neisseria weaveri Andersen et al. 1993 was previously known as CDC group M-5. — Neisseria weaveri Andersen et al. 1993 is illegitimate because it is a later homonym of Neisseria weaveri Holmes et al. 1993 [Neisseria weaveri Holmes et al. 1993 has page precedence; see Rules 51b (4) and 24b (2)]. — According to Yi et al. 2012, Neisseria weaveri Andersen et al. 1993 is a later heterotypic synonym of Neisseria weaveri Holmes et al. 1993. Publication: Yi H, Cho YJ, Yoon SH, Park SC, Chun J. Comparative genomics of Neisseria weaveri clarifies the taxonomy of this species and identifies genetic determinants that may be associated with virulence. FEMS Microbiol Lett 2012; 328:100-105. 🇰🇷

Parent taxon: Neisseria Trevisan 1885 (Approved Lists 1980)

Assigned by: Andersen BM, Steigerwalt AG, O'Connor SP, Hollis DG, Weyant RS, Weaver RE, Brenner DJ. Neisseria weaveri sp. nov., formerly CDC group M-5, a gram-negative bacterium associated with dog bite wounds. J Clin Microbiol 1993; 31:2456-2466. 🇺🇸

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Record number: 789964