Name: Comamonas badia Tago and Yokota 2005

Category: Species

Proposed as: sp. nov.

Etymology: ba’di.a. L. fem. adj. badia, brown, chestnutcolored, reddish brown

Pronunciation, gender: BA-di-a, feminine

Type strain: 12; DSM 17552; IAM 14839; JCM 21345; KCTC 12244

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AB164432 Analyse FASTA

Effective publication: Tago Y, Yokota A. Comamonas badia sp. nov., a floc-forming bacterium isolated from activated sludge. J Gen Appl Microbiol 2004; 50:243-248.

IJSEM list: Euzeby JP. Validation list no. 103. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2005; 55:983-985.

Nomenclatural status: validly published under the ICNP

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

Risk group: 1

• Notes:
  • 🧬 The phylogenomic assignment score of this taxon is -0.07205 (N = 31).
  • 😷 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 4 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 the genus.
  • 🧍 The genome of the type strain was sequenced as part of the GEBA (Genomic Encyclopedia of Bacteria and Archaea) project. Publication: Mukherjee S, Seshadri R, Varghese NJ, Eloe-Fadrosh EA, Meier-Kolthoff JP, Goker M, Coates RC, Hadjithomas M, Pavlopoulos GA, Paez-Espino D, et al. 1,003 reference genomes of bacterial and archaeal isolates expand coverage of the tree of life. Nat Biotechnol 2017; 35:676-683.

Parent taxon: Comamonas (ex Davis and Park 1962) De Vos et al. 1985

Assigned by: Tago Y, Yokota A. Comamonas badia sp. nov., a floc-forming bacterium isolated from activated sludge. J Gen Appl Microbiol 2004; 50:243-248.

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Record number: 775075