Name: Tetrasphaera japonica Maszenan et al. 2000

Category: Species

Proposed as: sp. nov.

Etymology: ja.po’ni.ca. N.L. fem. adj. japonica, pertaining to Japan, from where the isolate originated

Pronunciation (Latin), gender: te-tra-SP^HA͡E-ra ja-PO-ni-ka, feminine

Type strain: ACM 5116; DSM 13192; JCM 21381; NBRC 103088; T1-X7

Conduct genome-based taxonomy at

16S rRNA gene: AF125092 Analyse FASTA

Valid publication: Maszenan AM, Seviour RJ, Patel BK, Schumann P, Burghardt J, Tokiwa Y, Stratton HM. Three isolates of novel polyphosphate-accumulating gram-positive cocci, obtained from activated sludge, belong to a new genus, Tetrasphaera gen. nov., and description of two new species, Tetrasphaera japonica sp. nov. and Tetrasphaera australiensis sp. nov. Int J Syst Evol Microbiol 2000; 50:593-603. 🇦🇺

IJSEM list: Anonymous. Notification list. Notification that new names and new combinations have appeared in volume 50, part 2 of the IJSEM. Int J Syst Evol Microbiol 2000; 50:951-953.

Nomenclatural status: validly published under the ICNP, illegitimate name

Taxonomic status: synonym

Correct name: Nostocoides japonicum (Maszenan et al. 2000) Deshmukh and Oren 2024

Risk group: 1

• Synonyms:

  • Name	Kind
    Nostocoides japonicum (Maszenan et al. 2000) Deshmukh and Oren 2024	homotypic synonym, validly published under the ICNP

• Notes:
  • 🥇 Nomenclatural type of the genus Tetrasphaera Maszenan et al. 2000. Publication: Maszenan AM, Seviour RJ, Patel BK, Schumann P, Burghardt J, Tokiwa Y, Stratton HM. Three isolates of novel polyphosphate-accumulating gram-positive cocci, obtained from activated sludge, belong to a new genus, Tetrasphaera gen. nov., and description of two new species, Tetrasphaera japonica sp. nov. and Tetrasphaera australiensis sp. nov. Int J Syst Evol Microbiol 2000; 50:593-603. 🇦🇺
  • 😷 The risk group for Germany has been imported on 2026-08-13. The full classification is: risk group = 1. — 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.
  • 🎓 Name mentioned 5 times in PubMed until 2026-06-11.
  • 🧍 The phylogenetic position of this species was determined in a genome-scale analysis by Nouioui et al. (2018). Publication: Nouioui I, Carro L, Garcia-Lopez M, Meier-Kolthoff JP, Woyke T, Kyrpides NC, Pukall R, Klenk HP, Goodfellow M, Goker M. Genome-Based Taxonomic Classification of the Phylum Actinobacteria. Front Microbiol 2018; 9:2007. 🇩🇪

Parent taxon: Tetrasphaera Maszenan et al. 2000

Assigned by: Maszenan AM, Seviour RJ, Patel BK, Schumann P, Burghardt J, Tokiwa Y, Stratton HM. Three isolates of novel polyphosphate-accumulating gram-positive cocci, obtained from activated sludge, belong to a new genus, Tetrasphaera gen. nov., and description of two new species, Tetrasphaera japonica sp. nov. and Tetrasphaera australiensis sp. nov. Int J Syst Evol Microbiol 2000; 50:593-603. 🇦🇺

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Record number: 782437