Name: Blastobacter capsulatus Hirsch and Müller 1986

Category: Species

Proposed as: sp. nov.

Etymology: cap.su.la’tus. L. fem. dim. n. capsula, a small box or chest; L. masc. adj. suff. -atus, suffix denoting provided with; N.L. masc. adj. capsulatus, with a chest, capsulated

Gender: masculine

Type strain: ATCC 43294; DSM 1112; DSM 112; IFAM 1004; Muller 216; Müller 216; Strain Miiller 216; VKM B-2063

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: X73042 Analyse FASTA

Effective publication: Hirsch P, Müller M. Blastobacter aggregatus sp. nov., Blastobacter capsulatus sp. nov., and Blastobacter denitrificans sp. nov., new budding bacteria from freshwater habitats. Syst. Appl. Microbiol. 1985; 6:281-286. 🇩🇪

IJSEM list: Anonymous. Validation list no. 20. Validation of publication of new names and new combinations previously effectively published outside the IJSB. Int J Syst Bacteriol 1986; 36:354-356.

Nomenclatural status: validly published under the ICNP

Taxonomic status: synonym

Correct name: Pararhizobium capsulatum (Hirsch and Müller 1986) Mousavi et al. 2016

Risk group: 1

• Synonyms:

  • Name	Kind
    Pararhizobium capsulatum (Hirsch and Müller 1986) Mousavi et al. 2016	homotypic synonym, validly published under the ICNP

• Notes:
  • ❗ Blastobacter capsulatus is the correct name instead if this species is regarded as a separate species (i.e., if its nomenclatural type is not assigned to another species whose name is validly published, legitimate and not rejected and has priority) within a separate genus Blastobacter.
  • 😷 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. — 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 0 times in PubMed until 2025-06-04.
  • 🧍 On the Validation List no. 20, the type strain DSM 1112 is incorrectly cited as DSM 112. Publication: . Erratum. Int. J. Syst. Bacteriol. 1989; 39:206.

Parent taxon: Blastobacter Zavarzin 1961 (Approved Lists 1980)

Assigned by: Hirsch P, Müller M. Blastobacter aggregatus sp. nov., Blastobacter capsulatus sp. nov., and Blastobacter denitrificans sp. nov., new budding bacteria from freshwater habitats. Syst. Appl. Microbiol. 1985; 6:281-286. 🇩🇪

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Record number: 774081