Name: Anoxybacillus rupiensis Derekova et al. 2008

Category: Species

Proposed as: sp. nov.

Etymology: ru.pi.en’sis. N.L. masc. adj. rupiensis, originating from Rupi Basin, referring to the place of isolation of the type strain

Pronunciation, gender: … ru-pi-EN-sis, masculine

Type strain: DSM 17127; NBIMCC 8387; R-270

Conduct genome-based taxonomy at

16S rRNA gene: AJ879076 Analyse FASTA

Effective publication: Derekova A, Sjoholm C, Mandeva R, Kambourova M. Anoxybacillus rupiensis sp. Nov., a novel thermophilic bacterium isolated from Rupi basin (Bulgaria). Extremophiles 2007; 11:577-583. 🇧🇬

IJSEM list: Euzeby JP. Validation list no. 119. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2008; 58:1-2.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• Synonyms:

  • Name	Kind
    Anoxybacillus geothermalis Filippidou et al. 2016	heterotypic synonym, validly published under the ICNP
    Anoxybacteroides geothermalis (Filippidou et al. 2016) Patel et al. 2024	heterotypic synonym, inaccurate spelling
    Anoxybacteroides geothermale corrig. (Filippidou et al. 2016) Patel et al. 2024	heterotypic synonym, validly published under the ICNP
    Anoxybacteroides rupiense corrig. (Derekova et al. 2008) Patel et al. 2024	homotypic synonym, validly published under the ICNP
    Anoxybacteroides rupiensis (Derekova et al. 2008) Patel et al. 2024	homotypic synonym, inaccurate spelling

• Emendations:
  • Inan Bektas et al. 2024 Inan Bektas K, Nalcaoglu A, Guler HI, Canakci S, Belduz AO. Genome-Based Reclassification of Anoxybacillus geothermalis Filippidou et al. 2016 as a Later Heterotypic Synonym of Anoxybacillus rupiensis Derekova et al. 2007. Curr Microbiol 2024; 81:102. 🇹🇷 Oren A, Göker M. List of changes in taxonomic opinion no. 42. Notification of changes in taxonomic opinion previously published outside the IJSEM. Int J Syst Evol Microbiol 2025; 75:6793.
    Notes:
    • 🫂 Emendation accompanied by a proposal regarding the synonymy of the species.
    • 😢 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. The expression "monophyletic clade" is a pleonasm. See the LPSN phylogeny page for details.

• Notes:
  • ⏰ According to Inan-Bektas et al. (2024), this species is an earlier heterotypic synonym of Anoxybacillus geothermalis Filippidou et al. 2016. Publication: Inan Bektas K, Nalcaoglu A, Guler HI, Canakci S, Belduz AO. Genome-Based Reclassification of Anoxybacillus geothermalis Filippidou et al. 2016 as a Later Heterotypic Synonym of Anoxybacillus rupiensis Derekova et al. 2007. Curr Microbiol 2024; 81:102. 🇹🇷
  • ⏰ According to Inan-Bektas et al. (2024), this species is an earlier heterotypic synonym of Anoxybacteroides geothermalis (Filippidou et al. 2016) Patel et al. 2024. Publication: Inan Bektas K, Nalcaoglu A, Guler HI, Canakci S, Belduz AO. Genome-Based Reclassification of Anoxybacillus geothermalis Filippidou et al. 2016 as a Later Heterotypic Synonym of Anoxybacillus rupiensis Derekova et al. 2007. Curr Microbiol 2024; 81:102. 🇹🇷
  • ⏰ According to Inan-Bektas et al. (2024), this species is an earlier heterotypic synonym of Anoxybacteroides geothermale corrig. (Filippidou et al. 2016) Patel et al. 2024. Publication: Inan Bektas K, Nalcaoglu A, Guler HI, Canakci S, Belduz AO. Genome-Based Reclassification of Anoxybacillus geothermalis Filippidou et al. 2016 as a Later Heterotypic Synonym of Anoxybacillus rupiensis Derekova et al. 2007. Curr Microbiol 2024; 81:102. 🇹🇷
  • 🧬 The phylogenomic assignment score of this taxon is -0.05146 (N = 62).
  • 😷 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 10 times in PubMed until 2025-06-04.

Parent taxon: Anoxybacillus Pikuta et al. 2000

Assigned by: Derekova A, Sjoholm C, Mandeva R, Kambourova M. Anoxybacillus rupiensis sp. Nov., a novel thermophilic bacterium isolated from Rupi basin (Bulgaria). Extremophiles 2007; 11:577-583. 🇧🇬

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Record number: 787111