Name: Simplicispira metamorpha (Terasaki 1961) Grabovich et al. 2006

Category: Species

Proposed as: comb. nov.

Basonym: "Spirillum metamorphum" Terasaki 1961

Etymology: me.ta.mor’pha. N.L. fem. adj. metamorpha, changing

Gender: feminine

Type strain: ATCC 15280; CCUG 13794; DSM 1837; IFO 13960; NBRC 13960; VKM B-1407

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: Y18618 Analyse FASTA

Valid publication: Grabovich M, Gavrish E, Kuever J, Lysenko AM, Podkopaeva D, Dubinina G. Proposal of Giesbergeria voronezhensis gen. nov., sp. nov. and G. kuznetsovii sp. nov. and reclassification of [Aquaspirillum] anulus, [A.] sinuosum and [A.] giesbergeri as Giesbergeria anulus comb. nov., G. sinuosa comb. nov. and G. giesbergeri comb. nov., and [Aquaspirillum] metamorphum and [A.] psychrophilum as Simplicispira metamorpha gen. nov., comb. nov. and S. psychrophila comb. nov. Int J Syst Evol Microbiol 2006; 56:569-576.

IJSEM list: Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 56, part 3 of the IJSEM. Int J Syst Evol Microbiol 2006; 56:1181-1182.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• Synonyms:

  • Name	Kind
    Aquaspirillum metamorphum (Terasaki 1961) Hylemon et al. 1973 (Approved Lists 1980)	homotypic synonym, validly published under the ICNP
    "Spirillum metamorphum" Terasaki 1961	homotypic synonym, not validly published, basonym of name in Approved Lists

• Notes:
  • 🥇 Nomenclatural type of the genus Simplicispira Grabovich et al. 2006. Publication: Grabovich M, Gavrish E, Kuever J, Lysenko AM, Podkopaeva D, Dubinina G. Proposal of Giesbergeria voronezhensis gen. nov., sp. nov. and G. kuznetsovii sp. nov. and reclassification of [Aquaspirillum] anulus, [A.] sinuosum and [A.] giesbergeri as Giesbergeria anulus comb. nov., G. sinuosa comb. nov. and G. giesbergeri comb. nov., and [Aquaspirillum] metamorphum and [A.] psychrophilum as Simplicispira metamorpha gen. nov., comb. nov. and S. psychrophila comb. nov. Int J Syst Evol Microbiol 2006; 56:569-576.
  • 😢 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. Publication: Göker M. What can genome analysis offer for bacteria? In: Bridge P, Smith D, Stackebrandt E (eds), Trends in the systematics of bacteria and fungi, CAB International, Wallingford, 2021, p. 255-281.
  • 😷 The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 1, note = "Animal classification RG: 1 - Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No - Containment level: Containment Level 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 7 times in PubMed until 2024-03-27.

Parent taxon: Simplicispira Grabovich et al. 2006

Assigned by: Grabovich M, Gavrish E, Kuever J, Lysenko AM, Podkopaeva D, Dubinina G. Proposal of Giesbergeria voronezhensis gen. nov., sp. nov. and G. kuznetsovii sp. nov. and reclassification of [Aquaspirillum] anulus, [A.] sinuosum and [A.] giesbergeri as Giesbergeria anulus comb. nov., G. sinuosa comb. nov. and G. giesbergeri comb. nov., and [Aquaspirillum] metamorphum and [A.] psychrophilum as Simplicispira metamorpha gen. nov., comb. nov. and S. psychrophila comb. nov. Int J Syst Evol Microbiol 2006; 56:569-576.

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Record number: 780930