Name: Singulisphaera Kulichevskaya et al. 2008

Category: Genus

Proposed as: gen. nov.

Etymology: Sin.gu.li.sphae’ra. L. masc. pl. adj. singuli, single, separate; Gr. fem. n. sphaîra, sphere; N.L. fem. n. Singulisphaera, a single spherical cell

Gender, pronunciation (Latin): feminine (stem: Singulisphaer-), sin-gu-li-SP^HA͡E-ra

Type species: Singulisphaera acidiphila Kulichevskaya et al. 2008

Conduct genome-based taxonomy of genus at TYGS

16S rRNA gene: Analyse FASTA

Valid publication: Kulichevskaya IS, Ivanova AO, Baulina OI, Bodelier PL, Damste JS, Dedysh SN. Singulisphaera acidiphila gen. nov., sp. nov., a non-filamentous, Isosphaera-like planctomycete from acidic northern wetlands. Int J Syst Evol Microbiol 2008; 58:1186-1193. 🇷🇺

IJSEM list: Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 58, part 5 of the IJSEM. Int J Syst Evol Microbiol 2008; 58:1783-1784.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

• Emendations:
  • Kulichevskaya et al. 2012 Kulichevskaya IS, Detkova EN, Bodelier PL, Rijpstra WI, Damste JS, Dedysh SN. Singulisphaera rosea sp. nov., a planctomycete from acidic Sphagnum peat, and emended description of the genus Singulisphaera. Int J Syst Evol Microbiol 2012; 62:118-123. 🇷🇺 Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 62, part 1 of the IJSEM. Int J Syst Evol Microbiol 2012; 62:757-758.
    Notes:
    • ⊕ Emendation accompanied by the proposal of 1 new species in the genus.
  • Dedysh et al. 2026 Dedysh SN, Ivanova AA, Kulichevskaya IS, Naumoff DG, Suzina NE, Beletsky AV, Rakitin AL, Mardanov AV, Ravin NV. An updated outlook at the planctomycetal genus Singulisphaera: New members, genomes, and functional roles. Syst Appl Microbiol 2026; 49:126713. 🇷🇺
    Notes:
    • 🧍 As of 2026-06-10 this emendation was not yet included in an IJSEM List of Changes in Taxonomic Opinion.

• Notes:
  • 🧕 Krieg et al. (2010) assigned this genus to the family Planctomycetaceae Schlesner and Stackebrandt 1987. Publication: Krieg NR, Ludwig W, Euzéby J, Whitman WB. Phylum XIV. Bacteroidetes phyl. nov. In: Krieg NR, Staley JT, Brown DR, Hedlund BP, Paster BJ, Ward NL, Ludwig W, Whitman WB (eds), Bergey's Manual of Systematic Bacteriology, 2nd edn, vol. 4, Springer, New York, 2010, p. 25. 🇺🇸
  • 🙄 This taxon name is occasionally misprinted (or affected by an OCR error) in some sources as: "Singuilisphaera"; "Singulispaera"; "Singulisphacra".
  • 💁 Taxonomists who have recently focused on this group are the corresponding authors of Dedysh et al. (2026). 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: VKM: 4; DSM: 2; KCTC: 2; LMG: 1; ATCC: 1.

Subdivision:

Number of child taxa with a validly published and correct name: 2
Number of child taxa with a validly published name, including synonyms: 2
Total number of child taxa: 5

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    Singulisphaera acidiphila Kulichevskaya et al. 2008	validly published under the ICNP	correct name
    "Singulisphaera chitinilytica" Dedysh et al. 2026	not validly published	preferred name
    "Singulisphaera mucilagenosa" Zaicnikova et al. 2011	not validly published	preferred name
    "Singulisphaera photorubra" Dedysh et al. 2026	not validly published	preferred name
    Singulisphaera rosea Kulichevskaya et al. 2012	validly published under the ICNP	correct name

Parent taxon: Isosphaeraceae Kulichevskaya et al. 2016

Assigned by: Kulichevskaya IS, Ivanova AA, Suzina NE, Rijpstra WIC, Sinninghe Damste JS, Dedysh SN. Paludisphaera borealis gen. nov., sp. nov., a hydrolytic planctomycete from northern wetlands, and proposal of Isosphaeraceae fam. nov. Int J Syst Evol Microbiol 2016; 66:837-844. 🇷🇺

Linking: To permanently link to this page, use https://doi.org/10.83108/rn.517452Copy to clipboardLink copied to clipboard

Record number: 517452

• Previous versions:

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