Name: "Candidatus Paceibacterota" corrig. Brown et al. 2015

Category: Phylum

Proposed as: Candidatus

Etymology: Pa.ce.i.bac.te.ro’ta. N.L. masc. n. Paceibacter, a Candidatus genus name; L. neut. pl. n. suff. -ota, ending to denote a phylum; N.L. neut. pl. n. Paceibacterota, the Candidatus Paceibacter phylum

Pronunciation (Latin), gender: pa-ke-i-bak-te-RO-ta, neuter

Type genus: "Candidatus Paceibacter" Rinke et al. 2013

Effective publication: Brown CT, Hug LA, Thomas BC, Sharon I, Castelle CJ, Singh A, Wilkins MJ, Wrighton KC, Williams KH, Banfield JF. Unusual biology across a group comprising more than 15% of domain Bacteria. Nature 2015; 523:208-211. 🇺🇸

IJSEM list: Oren A, Göker M. Candidatus list no. 5. Lists of names of prokaryotic Candidatus taxa. Int J Syst Evol Microbiol 2023; 73:5821.

Nomenclatural status: not validly published

Nomenclatural pro-status: pro-validly published under the ICNP

Taxonomic status: synonym

Correct name: Minisyncoccota Nakajima et al. 2025

• Synonyms:

  • Name	Kind
    "Candidatus Altimarinota" corrig. Rinke et al. 2013	heterotypic synonym, pro-validly published under the ICNP
    "Candidatus Pacebacteria" Brown et al. 2015	other spelling of name, inaccurate spelling
    "Candidatus Gracilibacteria" Rinke et al. 2013	heterotypic synonym, inaccurate spelling
    "Candidatus Microgenomatota" corrig. Rinke et al. 2013	heterotypic synonym, pro-validly published under the ICNP
    "Candidatus Patescibacteriota" Dutkiewicz et al. 2025	heterotypic synonym, not pro-validly published
    Minisyncoccota Nakajima et al. 2025	heterotypic synonym, validly published under the ICNP
    "Candidatus Saccharibacteria" Albertsen et al. 2013	heterotypic synonym, inaccurate spelling
    "Candidatus Parcubacteria" Rinke et al. 2013	homotypic synonym, not pro-validly published
    "Candidatus Saccharimonadota" corrig. Albertsen et al. 2013	heterotypic synonym, pro-validly published under the ICNP
    "Candidatus Microgenomates" Rinke et al. 2013	heterotypic synonym, inaccurate spelling

• Notes:
  • 🧕 Brown et al. (2015) assigned this phylum to the domain "Bacteria" Woese et al. 1990. Publication: Brown CT, Hug LA, Thomas BC, Sharon I, Castelle CJ, Singh A, Wilkins MJ, Wrighton KC, Williams KH, Banfield JF. Unusual biology across a group comprising more than 15% of domain Bacteria. Nature 2015; 523:208-211. 🇺🇸
  • 🧒 Parte et al. (2020) assigned the class "Paceibacteria" to this phylum. Publication: Parte AC, Sarda Carbasse J, Meier-Kolthoff JP, Reimer LC, Goker M. List of Prokaryotic names with Standing in Nomenclature (LPSN) moves to the DSMZ. Int J Syst Evol Microbiol 2020; 70:5607-5612. 🇩🇪
  • 🧒 Parte et al. (2020) assigned the genus "Candidatus Sonnebornia" Gong et al. 2014 to this phylum. Publication: Parte AC, Sarda Carbasse J, Meier-Kolthoff JP, Reimer LC, Goker M. List of Prokaryotic names with Standing in Nomenclature (LPSN) moves to the DSMZ. Int J Syst Evol Microbiol 2020; 70:5607-5612. 🇩🇪
  • 🚃 The type genus of this phylum has alternatively been placed in the phylum "Candidatus Parcubacteria" Rinke et al. 2013. Publication: Rinke C, Schwientek P, Sczyrba A, Ivanova NN, Anderson IJ, Cheng JF, Darling A, Malfatti S, Swan BK, Gies EA, et al. Insights into the phylogeny and coding potential of microbial dark matter. Nature 2013; 499:431-437. 🇺🇸
  • ❗ "Candidatus Paceibacterota" is the pro-correct name instead if this phylum is regarded as a separate phylum (i.e., if its nomenclatural type is not assigned to another phylum whose name is validly published and legitimate or pro-validly published and pro-legitimate and not rejected and has priority or pro-priority).

Parent taxon: Bacillati (Gibbons and Murray 1978) Oren and Göker 2024

Assigned by: LPSN automated production system. The following publication is only one of the sources consulted. It may or may not mention this taxon name. — Nakajima M, Nakai R, Hirakata Y, Kubota K, Satoh H, Nobu MK, Narihiro T, Kuroda K. Minisyncoccus archaeiphilus gen. nov., sp. nov., a mesophilic, obligate parasitic bacterium and proposal of Minisyncoccaceae fam. nov., Minisyncoccales ord. nov., Minisyncoccia class. nov. and Minisyncoccota phyl. nov. formerly referred to as Candidatus Patescibacteria or candidate phyla radiation. Int J Syst Evol Microbiol 2025; 75:6668. 🇯🇵

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Record number: 38959