Name: Blastomonas natatoria (Sly 1985) Sly and Cahill 1997

Category: Species

Proposed as: comb. nov.

Basonym: Blastobacter natatorius Sly 1985

Etymology: na.ta.to.ri.a. L. fem. adj. natatoria, of or belonging to a swimmer, that serves to swim with, natatory, intended to mean pertaining to a swimming place (pool)

Gender: feminine

Type strain: ACM 2507; ATCC 35951; CIP 106842; DSM 3183; EY 4220; HAMBI 2081; IFO 15649; JCM 10396; JCM 12333; LMG 17322; NBRC 15649; NCIMB 12085; UQM 2507

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AB024288 Analyse FASTA

Valid publication: Sly LI, Cahill MM. Transfer of Blastobacter natatorius (Sly 1985) to the genus Blastomonas gen. nov. as Blastomonas natatoria comb. nov. Int J Syst Bacteriol 1997; 47:566-568.

IJSEM list: Anonymous. Notification list. Notification that new names and new combinations have appeared in volume 47, part 2 of the IJSB. Int J Syst Bacteriol 1997; 47:917-919.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• Synonyms:

  • Name	Kind
    Blastobacter natatorius Sly 1985	homotypic synonym, validly published under the ICNP
    Sphingomonas natatoria (Sly 1985) Yabuuchi et al. 1999	homotypic synonym, validly published under the ICNP

• Emendations:
  • Hiraishi et al. 2000 Hiraishi A, Kuraishi H, Kawahara K. Emendation of the description of Blastomonas natatoria (Sly 1985) Sly and Cahill 1997 as an aerobic photosynthetic bacterium and reclassification of Erythromonas ursincola Yurkov et al. 1997 as Blastomonas ursincola comb. nov. Int J Syst Evol Microbiol 2000; 50:1113-1118. Anonymous. Notification list. Notification that new names and new combinations have appeared in volume 50, part 3 of the IJSEM. Int J Syst Evol Microbiol 2000; 50:1419-1420.
    Notes:
    • 📧 The e-mail address of the corresponding author given in the associated publication is not functional any more.
    • 😢 The terminology used by the authors is in line with many other taxonomic studies and does not negatively affect their main results; some improvements may nevertheless be possible. Contrasting the term "chemotaxonomic" with "phenotypic" is not recommended. Using the term "phylogenetic data" (or equivalent) for sequence data is not advocated. See the LPSN phylogeny page for details.
    • 🧍 According to Hiraishi et al. 2000 [1], Blastomonas natatoria (Sly 1985) Sly and Cahill 1997 emend. Hiraishi et al. 2000 and Erythromonas ursincola Yurkov et al. 1997 may be classified as different species in a single genus. According to Rule 44, the generic name Blastomonas Sly and Cahill 1997 has priority. "Phenotypic, chemotaxonomic and phylogenetic data" (i.e., phenotypic data including chemotaxonomic data, as well as sequence data) confirm that the genus Blastomonas is distinct from the genus Sphingomonas Yabuuchi et al. 1990 and other genera of the α-4 group of the α-Proteobacteria. These data turn down the proposal of Yabuuchi et al. 1999 [2, 3] for transfer of Blastomonas natatoria and Erythromonas ursincola to the genus Sphingomonas. — 🧍 In the September issue 2002 of the IJSEM, Yabuuchi et al. propose that Blastomonas ursincola (Yurkov et al. 1997) Hiraishi et al. 2000 be a later synonym of Sphingomonas ursincola (Yurkov et al. 1997) Yabuuchi et al. 1999. About Blastomonas natatoria (Sly 1985) Sly and Cahill 1997 emend. Hiraishi et al. 2000, the paper by Yabuuchi et al. is not obvious!
  • Hördt et al. 2020 Hordt A, Lopez MG, Meier-Kolthoff JP, Schleuning M, Weinhold LM, Tindall BJ, Gronow S, Kyrpides NC, Woyke T, Goker M. Analysis of 1,000+ Type-Strain Genomes Substantially Improves Taxonomic Classification of Alphaproteobacteria. Front Microbiol 2020; 11:468. Oren A, Garrity GM. List of changes in taxonomic opinion no. 32. Notification of changes in taxonomic opinion previously published outside the IJSEM. Int J Syst Evol Microbiol 2020; 70:4061-4090.

• Notes:
  • 🥇 Nomenclatural type of the genus Blastomonas Sly and Cahill 1997. Publication: Sly LI, Cahill MM. Transfer of Blastobacter natatorius (Sly 1985) to the genus Blastomonas gen. nov. as Blastomonas natatoria comb. nov. Int J Syst Bacteriol 1997; 47:566-568.
  • 📧 The e-mail address of the corresponding author given in the effective publication is not functional any more.
  • 😷 The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 1, note = "Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No". — The risk group for Swiss Confederation has been imported on 2024-02-01. The full classification is: risk group = 1. — The risk group for Germany has been imported on 2023-10-29. The full classification is: risk group = 1.
  • 🎓 Name mentioned 16 times in PubMed until 2024-03-28.

Parent taxon: Blastomonas Sly and Cahill 1997

Assigned by: Sly LI, Cahill MM. Transfer of Blastobacter natatorius (Sly 1985) to the genus Blastomonas gen. nov. as Blastomonas natatoria comb. nov. Int J Syst Bacteriol 1997; 47:566-568.

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Record number: 774090