Name: Tetrasphaera elongata Hanada et al. 2002

Category: Species

Proposed as: sp. nov.

Etymology: e.lon.ga’ta. L. fem. part. adj. elongata, elongated, pertaining to the formation of elongated clumps

Pronunciation, gender: e-lon-GA-ta, feminine

Type strain: DSM 14184; JCM 11141; Lp2; NBRC 103079

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AB030911 Analyse FASTA

Valid publication: Hanada S, Liu WT, Shintani T, Kamagata Y, Nakamura K. Tetrasphaera elongata sp. nov., a polyphosphate-accumulating bacterium isolated from activated sludge. Int J Syst Evol Microbiol 2002; 52:883-887.

IJSEM list: Anonymous. Notification list. Notification that new names and new combinations have appeared in volume 52, part 3 of the IJSEM. Int J Syst Evol Microbiol 2002; 52:1077-1079.

Nomenclatural status: validly published under the ICNP, illegitimate name

Taxonomic status: synonym

Correct name: Phycicoccus elongatus (Hanada et al. 2002) Nouioui et al. 2018

Risk group: 1

• Synonyms:

  • Name	Kind
    Phycicoccus elongatus (Hanada et al. 2002) Nouioui et al. 2018	homotypic synonym, validly published under the ICNP

• Notes:
  • 😷 The risk group for Germany has been imported on 2023-10-29. 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 10 times in PubMed until 2025-06-04.
  • 🧍 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: Hanada S, Liu WT, Shintani T, Kamagata Y, Nakamura K. Tetrasphaera elongata sp. nov., a polyphosphate-accumulating bacterium isolated from activated sludge. Int J Syst Evol Microbiol 2002; 52:883-887.

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Record number: 782436