Name: Parabacteroides chartae Tan et al. 2012

Category: Species

Proposed as: sp. nov.

Etymology: char’tae. L. gen. fem. n. chartae, of/from paper, pertaining to paper milling

Gender: masculine

Type strain: DSM 24967; JCM 17797; NS31-3

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: JN029805 Analyse FASTA

Valid publication: Tan HQ, Li TT, Zhu C, Zhang XQ, Wu M, Zhu XF. Parabacteroides chartae sp. nov., an obligately anaerobic species from wastewater of a paper mill. Int J Syst Evol Microbiol 2012; 62:2613-2617.

IJSEM list: Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 62, part 11 of the IJSEM. Int J Syst Evol Microbiol 2013; 63:399-400.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• Emendations:
  • García-López et al. 2019 Garcia-Lopez M, Meier-Kolthoff JP, Tindall BJ, Gronow S, Woyke T, Kyrpides NC, Hahnke RL, Goker M. Analysis of 1,000 Type-Strain Genomes Improves Taxonomic Classification of Bacteroidetes. Front Microbiol 2019; 10:2083. 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 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.
  • 🎓 Name mentioned 2 times in PubMed until 2024-03-27.
  • 🧍 According to Ludwig et al. (2021), if "Macellibacteroides fermentans is not renamed as Parabacteroides, this species should be reclassified as a member of Macellibacteroides". Publication: Ludwig W, Viver T, Westram R, Francisco Gago J, Bustos-Caparros E, Knittel K, Amann R, Rossello-Mora R. Release LTP_12_2020, featuring a new ARB alignment and improved 16S rRNA tree for prokaryotic type strains. Syst Appl Microbiol 2021; 44:126218.

Parent taxon: Parabacteroides Sakamoto and Benno 2006

Assigned by: Tan HQ, Li TT, Zhu C, Zhang XQ, Wu M, Zhu XF. Parabacteroides chartae sp. nov., an obligately anaerobic species from wastewater of a paper mill. Int J Syst Evol Microbiol 2012; 62:2613-2617.

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Record number: 790306