Name: Morococcus cerebrosus Long et al. 1981

Category: Species

Proposed as: sp. nov.

Etymology: ce.re.bro.sus. L. masc. adj. cerebrosus, having a madness of the brain, hare-brained, hotbrained, passionate, intended to mean pertaining to the brain, the original source of isolation of this organism

Gender: masculine

Type strain: ACM 858; ATCC 33486; CIP 81.93; DSM 24335; NCTC 11393; UQM 858

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: JN175352 Analyse FASTA

Valid publication: Long PA, Sly LI, Pham AV, Davis GHG. Characterization of Morococcus cerebrosus gen. nov., sp. nov. and comparison with Neisseria mucosa. Int. J. Syst. Bacteriol. 1981; 31:294-301.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 2

• Notes:
  • 🥇 Nomenclatural type of the genus Morococcus Long et al. 1981. Publication: Long PA, Sly LI, Pham AV, Davis GHG. Characterization of Morococcus cerebrosus gen. nov., sp. nov. and comparison with Neisseria mucosa. Int. J. Syst. Bacteriol. 1981; 31:294-301.
  • 😷 The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 2, note = "Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No". — 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.
  • 🎓 Name mentioned 1 time in PubMed until 2024-03-27.
  • 🧍 According to Ludwig et al. (2021), this "species affiliates within Neisseria and may be reclassified". Publication: Ludwig W, Viver T, Westram R, Francisco Gago J, Bustos-Caparros E, Knittel K, Amann R, Rossello-Mora R. Release LTP_12_2020, featuring a new ARB alignment and improved 16S rRNA tree for prokaryotic type strains. Syst Appl Microbiol 2021; 44:126218.

Parent taxon: Morococcus Long et al. 1981

Assigned by: Long PA, Sly LI, Pham AV, Davis GHG. Characterization of Morococcus cerebrosus gen. nov., sp. nov. and comparison with Neisseria mucosa. Int. J. Syst. Bacteriol. 1981; 31:294-301.

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Record number: 784297