Genus Macrococcus

Name: Macrococcus Kloos et al. 1998

Category, proposed as: genus, gen. nov.

Etymology: Ma.cro.coc’cus. Gr. masc. adj. makros, large; N.L. masc. n. coccus, a grain or berry; from Gr. masc. n. kokkos, grain; N.L. masc. n. Macrococcus, a large coccus

Gender, pronunciation (Latin): masculine (stem: Macrococc-), ma-kro-KOK-kus

Type species: Macrococcus equipercicus Kloos et al. 1998

Conduct genome-based taxonomy of genus at TYGS

16S rRNA gene: Analyse FASTA

Valid publication: Kloos WE, Ballard DN, George CG, Webster JA, Hubner RJ, Ludwig W, Schleifer KH, Fiedler F, Schubert K. Delimiting the genus Staphylococcus through description of Macrococcus caseolyticus gen. nov., comb. nov. and Macrococcus equipercicus sp. nov., and Macrococcus bovicus sp. no. and Macrococcus carouselicus sp. nov. Int J Syst Bacteriol 1998; 48:859-877. 🇺🇸

IJSEM list: Anonymous. Notification list. Notification that new names and new combinations have appeared in volume 48, part 3 of the IJSB. Int J Syst Bacteriol 1998; 48:1085-1087.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• Synonyms:

  • Name	Kind
    Macrococcoides Bello et al. 2024	heterotypic synonym, validly published under the ICNP

• Emendations:
  • Mašlaňová et al. 2018 Maslanova I, Wertheimer Z, Sedlacek I, Svec P, Indrakova A, Kovarovic V, Schumann P, Sproer C, Kralova S, Sedo O, et al. Description and Comparative Genomics of Macrococcus caseolyticus subsp. hominis subsp. nov., Macrococcus goetzii sp. nov., Macrococcus epidermidis sp. nov., and Macrococcus bohemicus sp. nov., Novel Macrococci From Human Clinical Material With Virulence Potential and Suspected Uptake of Foreign DNA by Natural Transformation. Front Microbiol 2018; 9:1178. 🇨🇿 Oren A, Garrity GM. List of changes in taxonomic opinion no. 29. Notification of changes in taxonomic opinion previously published outside the IJSEM. Int J Syst Evol Microbiol 2019; 69:13-32.
    Notes:
    • ⊕ Emendation accompanied by the proposal of 3 new species in the genus.
  • Bello et al. 2023 Bello S, Mudassir SH, Rudra B, Gupta RS. Phylogenomic and molecular markers based studies on Staphylococcaceae and Gemella species. Proposals for an emended family Staphylococcaceae and three new families (Abyssicoccaceae fam. nov., Salinicoccaceae fam. nov. and Gemellaceae fam. nov.) harboring four new genera, Lacicoccus gen. nov., Macrococcoides gen. nov., Gemelliphila gen. nov., and Phocicoccus gen. nov. Antonie Van Leeuwenhoek 2023; 116:937-973. 🇨🇦 Oren A, Göker M. List of changes in taxonomic opinion no. 39. Notification of changes in taxonomic opinion previously published outside the IJSEM. Int J Syst Evol Microbiol 2024; 74:6172.
    Notes:
    • ⊖ Emendation accompanied by the removal of 4 species from the genus.

• Notes:
  • 🙄 This taxon name is occasionally misprinted (or affected by an OCR error) in some sources as: "Macroccocus"; "Macrococus"; "Mimacrococcus"; "Mtcrococcus".
  • 🧔 This taxon was discussed in a meeting of a Taxonomic Subcommittee of the ICSP. Publication: Kloos WE, Hardie JM, Whiley RA. International Committee on Systematic Bacteriology. Subcommittee on the taxonomy of staphylococci and streptococci. Minutes of the meetings, 17 September 1996, Institut Pasteur, Paris, France. Int. J. Syst. Evol. Microbiol. 2001; 51:717-718. 🇺🇸
  • 💁 Taxonomists who have recently focused on this group are the corresponding authors of Keller et al. (2022), Maslanova et al. (2025). Editors in search of reviewers are advised to consider additional criteria such as whether a taxon is covered by one of the ICSP subcommittees.
  • 🎰 The BRCs most frequently used for deposits in this group are: DSM: 16; CCM: 10; CCUG: 8; LMG: 4; CCOS: 4; ATCC: 4; CIP: 4; NCTC: 1.
  • 😷 The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 1, note = "Animal classification RG: 1 - Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No - Containment level: Containment Level 1". — The risk group for Taiwan has been imported on 2024-11-03. The full classification is: risk group = 1, note = "P650 = v". — 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.

Subdivision:

Number of child taxa with a validly published and correct name: 16
Number of child taxa with a validly published name, including synonyms: 16
Total number of child taxa: 16

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    Macrococcus animalis Belhout et al. 2025	validly published under the ICNP	correct name
    Macrococcus armenti Keller et al. 2022	validly published under the ICNP	correct name
    Macrococcus bohemicus Mašlaňová et al. 2018	validly published under the ICNP	correct name
    Macrococcus bovicus Kloos et al. 1998	validly published under the ICNP	correct name
    Macrococcus brunensis Mannerová et al. 2003	validly published under the ICNP	correct name
    Macrococcus canis Gobeli Brawand et al. 2017	validly published under the ICNP	correct name
    Macrococcus capreoli Schiffer and Ehrmann 2025	validly published under the ICNP	correct name
    Macrococcus carouselicus Kloos et al. 1998	validly published under the ICNP	correct name
    Macrococcus caseolyticus (Schleifer et al. 1982 ex Evans 1916) Kloos et al. 1998	validly published under the ICNP	correct name
    Macrococcus epidermidis Mašlaňová et al. 2018	validly published under the ICNP	correct name
    Macrococcus equi Belhout et al. 2025	validly published under the ICNP	correct name
    Macrococcus equipercicus Kloos et al. 1998	validly published under the ICNP	correct name
    Macrococcus goetzii Mašlaňová et al. 2018	validly published under the ICNP	correct name
    Macrococcus hajekii Mannerová et al. 2003	validly published under the ICNP	correct name
    Macrococcus lamae Mannerová et al. 2003	validly published under the ICNP	correct name
    Macrococcus psychrotolerans Mašlaňová et al. 2025	validly published under the ICNP	correct name

Parent taxon: Staphylococcaceae Schleifer and Bell 2010

Assigned by: Schleifer K-H, Bell JA. Family VIII. Staphylococcaceae fam. nov. In: De Vos P, Garrity GM, Jones D, Krieg NR, Ludwig W, Rainey FA, K.-H. S, Whitman WB (eds), Bergey's Manual of Systematic Bacteriology, 2nd edn, vol. 3 (The Firmicutes), Springer, New York, 2009, p. 392. 🇧🇪

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Record number: 515988