Name: "Roseospirillum parvum" Glaeser and Overmann 1999

Category: Species

Proposed as: sp. nov.

Etymology: par’vum. L. neut. adj. parvum, small

Gender: neuter

Type strain: 930I; DSM 12498

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AJ011919 Analyse FASTA

Original publication: Glaeser J, Overmann J. Selective enrichment and characterization of Roseospirillum parvum, gen. nov. and sp. nov., a new purple nonsulfur bacterium with unusual light absorption properties. Arch Microbiol 1999; 171:405-416.

IJSEM list: Anonymous. Validation list no. 80. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2001; 51:793-794.

Nomenclatural status: not validly published

Taxonomic status: preferred name (not correct name)

Risk group: 1

• Emendations:
  • 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.
    Notes:
    • 🧍 As of 2020-04-15 this emendation was not yet included in an IJSEM List of Changes in Taxonomic Opinion.

• Notes:
  • 🥇 Nomenclatural type of the genus "Roseospirillum" Glaeser and Overmann 1999. Publication: Glaeser J, Overmann J. Selective enrichment and characterization of Roseospirillum parvum, gen. nov. and sp. nov., a new purple nonsulfur bacterium with unusual light absorption properties. Arch Microbiol 1999; 171:405-416.
  • 📧 The e-mail address of the corresponding author given in the effective publication is not functional any more.
  • 😷 The risk group for Germany has been imported on 2023-10-29. The full classification is: risk group = 1.
  • 🧍 According to Rules 27(3) and 30, Roseospirillum parvum Glaeser and Overmann 2001 is not validly published because, at the time of publication, the type strain was not deposited in two publicly accessible service collections in different countries. According to the Judicial Opinion 81, authors or this name, or other scientists who wish to have this name validly published, should submit evidence of the deposit of the type strain in additional collections to the List Editor (either directly or via the IJSEM Editorial Office) before the next meeting of the Judicial Commission in Sapporo, Japan, in 2011. After that time, the name will be ruled not to have been validly published. If, after that deadline, the authors or other scientists wish to have this name validly published, this may be done by confirming that the name is in accordance with the requirements of the Code and either by requesting valid publication via the Validation Lists or by inclusion of the proposal in an original article in the IJSEM. The details of valid publication will then make reference to those publications. If authors or other scientists feel that an exception should be granted to Rule 30, requiring deposit of the type in two different collections in two different countries, they should contact the Editorial Office of the IJSEM. Publication: Euzeby JP, Tindall BJ. Status of strains that contravene Rules 27(3) and 30 of the Bacteriological Code. Request for an opinion. Int J Syst Evol Microbiol 2004; 54:293-301.
  • 🧍 Regarded as not validly published. Publication: Judicial Commission. Judicial Opinion No. 81. Int J Syst Evol Microbiol 2008; 58:1755-1763.

Parent taxon: "Roseospirillum" Glaeser and Overmann 1999

Assigned by: Glaeser J, Overmann J. Selective enrichment and characterization of Roseospirillum parvum, gen. nov. and sp. nov., a new purple nonsulfur bacterium with unusual light absorption properties. Arch Microbiol 1999; 171:405-416.

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Record number: 18267