Name: Rummeliibacillus pycnus (Nakamura et al. 2002) Vaishampayan et al. 2009

Category: Species

Proposed as: comb. nov.

Basonym: Bacillus pycnus Nakamura et al. 2002

Etymology: pyc’nus. Gr. masc. adj. pyknos, thick; N.L. masc. adj. pycnus, thick, referring to thick cells

Pronunciation, gender: PYK-nus, masculine

Type strain: DSM 15030; JCM 11075; NBRC 101231; NRRL NRS-1691; NRS-1691

Conduct genome-based taxonomy at

16S rRNA gene: AB271739 Analyse FASTA

Valid publication: Vaishampayan P, Miyashita M, Ohnishi A, Satomi M, Rooney A, La Duc MT, Venkateswaran K. Description of Rummeliibacillus stabekisii gen. nov., sp. nov. and reclassification of Bacillus pycnus Nakamura et al. 2002 as Rummeliibacillus pycnus comb. nov. Int J Syst Evol Microbiol 2009; 59:1094-1099. 🇺🇸

IJSEM list: Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 59, part 5 of the IJSEM. Int J Syst Evol Microbiol 2009; 59:1853-1855.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name (and explicitly recommended for medical use)

Risk group: 1

• Synonyms:

  • Name	Kind
    Bacillus pycnus Nakamura et al. 2002	homotypic synonym, validly published under the ICNP

• Notes:
  • 🧬 The phylogenomic assignment score of this taxon is 0.04945 (N = 5).
  • 😷 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 5 times in PubMed until 2025-06-04.
  • 🙆 This name is on the List of Recommended Names for bacteria of medical importance (LoRN) as the name to be applied to this species. The name is on LoRN because of the recorded risk group of other species in the genus.

Parent taxon: Rummeliibacillus Vaishampayan et al. 2009

Assigned by: Vaishampayan P, Miyashita M, Ohnishi A, Satomi M, Rooney A, La Duc MT, Venkateswaran K. Description of Rummeliibacillus stabekisii gen. nov., sp. nov. and reclassification of Bacillus pycnus Nakamura et al. 2002 as Rummeliibacillus pycnus comb. nov. Int J Syst Evol Microbiol 2009; 59:1094-1099. 🇺🇸

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Record number: 787881