Name: Alkalispirochaeta americana (Hoover et al. 2003) Sravanthi et al. 2016

Category: Species

Proposed as: comb. nov.

Basonym: Spirochaeta americana Hoover et al. 2003

Etymology: a.me.ri.ca’na. N.L. fem. adj. americana, American

Pronunciation (Latin), gender: … a-me-ri-KA-na, feminine

Type strain: ASpG1; ATCC BAA-392; DSM 14872

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AF373921 Analyse FASTA

Valid publication: Sravanthi T, Tushar L, Sasikala Ch, Ramana ChV. Alkalispirochaeta cellulosivorans gen. nov., sp. nov., a cellulose-hydrolysing, alkaliphilic, halotolerant bacterium isolated from the gut of a wood-eating cockroach (Cryptocercus punctulatus), and reclassification of four species of Spirochaeta as new combinations within Alkalispirochaeta gen. nov. Int J Syst Evol Microbiol 2016; 66:1612-1619. 🇮🇳

IJSEM list: Oren A, Garrity GM. Notification list. Notification that new names and new combinations have appeared in volume 66, part 4 of the IJSEM. Int J Syst Evol Microbiol 2016; 66:2467-2468.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• Synonyms:

  • Name	Kind
    Spirochaeta americana Hoover et al. 2003	homotypic synonym, validly published under the ICNP

• 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. 🇩🇪 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:
  • 😷 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 1 time in PubMed until 2025-06-04.

Parent taxon: Alkalispirochaeta Sravanthi et al. 2016

Assigned by: Sravanthi T, Tushar L, Sasikala Ch, Ramana ChV. Alkalispirochaeta cellulosivorans gen. nov., sp. nov., a cellulose-hydrolysing, alkaliphilic, halotolerant bacterium isolated from the gut of a wood-eating cockroach (Cryptocercus punctulatus), and reclassification of four species of Spirochaeta as new combinations within Alkalispirochaeta gen. nov. Int J Syst Evol Microbiol 2016; 66:1612-1619. 🇮🇳

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Record number: 794062