Name: "Candidatus Saccharimonadia" corrig. Lemos et al. 2019

Category: Class

Proposed as: Candidatus

Etymology: Sac.cha.ri.mo.na’di.a. N.L. neut. pl. n. Saccharimonadia, the Saccharimonadales class

Pronunciation (Latin), gender: sak-k^ha-ri-mo-NA-di-a, neuter

Type order: "Candidatus Saccharimonadales" corrig. Lemos et al. 2019

Effective publication: Lemos LN, Medeiros JD, Dini-Andreote F, Fernandes GR, Varani AM, Oliveira G, Pylro VS. Genomic signatures and co-occurrence patterns of the ultra-small Saccharimonadia (phylum CPR/Patescibacteria) suggest a symbiotic lifestyle. Mol Ecol 2019; 28:4259-4271. 🇧🇷

IJSEM list: Oren A, Garrity GM. Candidatus list no. 3. Lists of names of prokaryotic Candidatus taxa. Int J Syst Evol Microbiol 2022; 72:5186.

Nomenclatural status: not validly published

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

Taxonomic status: pro-correct name

• Synonyms:

  • Name	Kind
    "Candidatus Nanosyncoccia" corrig. McLean et al. 2020	heterotypic synonym, pro-validly published under the ICNP
    "Candidatus Nanoperiodontomorbia" corrig. McLean et al. 2020	heterotypic synonym, pro-validly published under the ICNP
    "Candidatus Nanoperiomorbia" McLean et al. 2020	heterotypic synonym, inaccurate spelling
    "Candidatus Nanosyncoccalia" McLean et al. 2020	heterotypic synonym, inaccurate spelling
    "Candidatus Saccharimonia" Lemos et al. 2019	other spelling of name, inaccurate spelling

• Notes:
  • 🧕 Chuvochina et al. (2023) assigned this class to the phylum "Candidatus Patescibacteria" Parks et al. 2018. Publication: Chuvochina M, Mussig AJ, Chaumeil PA, Skarshewski A, Rinke C, Parks DH, Hugenholtz P. Proposal of names for 329 higher rank taxa defined in the Genome Taxonomy Database under two prokaryotic codes. FEMS Microbiol Lett 2023; 0:0. 🇦🇺
  • 🧕 Lemos et al. (2019) assigned this class to the phylum "Candidatus Patescibacteria" Parks et al. 2018. Publication: Lemos LN, Medeiros JD, Dini-Andreote F, Fernandes GR, Varani AM, Oliveira G, Pylro VS. Genomic signatures and co-occurrence patterns of the ultra-small Saccharimonadia (phylum CPR/Patescibacteria) suggest a symbiotic lifestyle. Mol Ecol 2019; 28:4259-4271. 🇧🇷
  • 🧕 McLean et al. (2020) assigned this class to the domain "Bacteria" Woese et al. 1990. Publication: McLean JS, Bor B, Kerns KA, Liu Q, To TT, Solden L, Hendrickson EL, Wrighton K, Shi W, He X. Acquisition and Adaptation of Ultra-small Parasitic Reduced Genome Bacteria to Mammalian Hosts. Cell Rep 2020; 32:107939. 🇺🇸
  • 🧕 McLean et al. (2020) assigned this class to the phylum "Candidatus Saccharimonadota" corrig. Albertsen et al. 2013. Publication: McLean JS, Bor B, Kerns KA, Liu Q, To TT, Solden L, Hendrickson EL, Wrighton K, Shi W, He X. Acquisition and Adaptation of Ultra-small Parasitic Reduced Genome Bacteria to Mammalian Hosts. Cell Rep 2020; 32:107939. 🇺🇸
  • 🧒 Ibrahim et al. (2021) assigned the order "Candidatus Nanosynbacterales" McLean et al. 2020 to this class. Publication: Ibrahim A, Maatouk M, Rajaonison A, Zgheib R, Haddad G, Bou Khalil J, Raoult D, Bittar F. Adapted Protocol for Saccharibacteria Cocultivation: Two New Members Join the Club of Candidate Phyla Radiation. Microbiol Spectr 2021; 9:e0106921. 🇫🇷
  • 🧒 Lemos et al. (2019) assigned the order "Candidatus Saccharimonadales" corrig. Lemos et al. 2019 to this class. Publication: Lemos LN, Medeiros JD, Dini-Andreote F, Fernandes GR, Varani AM, Oliveira G, Pylro VS. Genomic signatures and co-occurrence patterns of the ultra-small Saccharimonadia (phylum CPR/Patescibacteria) suggest a symbiotic lifestyle. Mol Ecol 2019; 28:4259-4271. 🇧🇷
  • 🎰 The BRCs most frequently used for deposits in this group are: ATCC: 1.
  • 🧍 See also McLean et al. (2020), who conducted the inaccurate orthographical corrections from Saccharomonadia to Saccharomonia (misprinted Saccharomona in the main article) and from Saccharomonadales to Saccharomonales. Publication: McLean JS, Bor B, Kerns KA, Liu Q, To TT, Solden L, Hendrickson EL, Wrighton K, Shi W, He X. Acquisition and Adaptation of Ultra-small Parasitic Reduced Genome Bacteria to Mammalian Hosts. Cell Rep 2020; 32:107939. 🇺🇸

Subdivision:

Number of child taxa with a validly published and correct name: 0
Number of child taxa with a validly published name, including synonyms: 0
Total number of child taxa: 8

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    "Candidatus Nanogingivalales" corrig. McLean et al. 2020	not validly published	pro-correct name
    "Candidatus Nanogingivales" McLean et al. 2020	inaccurate spelling	misspelling
    "Candidatus Nanosynbacterales" McLean et al. 2020	not validly published	synonym
    "Candidatus Nanosyncoccales" McLean et al. 2020	not validly published	synonym
    "Candidatus Saccharimonadales" Chuvochina et al. 2023	not validly published	synonym
    "Candidatus Saccharimonadales" corrig. Lemos et al. 2019	not validly published	synonym
    [Saccharimonadia, not assigned to order]	artificial parent node of taxa incertae sedis
    "Candidatus Saccharimonales" Lemos et al. 2019	inaccurate spelling	misspelling

Parent taxon: Minisyncoccota Nakajima et al. 2025

Assigned by: 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: 157