Name: Acidobacterium capsulatum Kishimoto et al. 1991

Category: Species

Proposed as: sp. nov.

Etymology: cap.su.la’tum. L. fem. dim. n. capsula, a small box or chest; L. neut. adj. suff. -atum, suffix denoting provided with; N.L. neut. adj. capsulatum, with a chest, capsuled

Gender: neuter

Type strain: 161; ATCC 51196; DSM 11244; IFO 15755; JCM 7670; NBRC 15755

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: CP001472 Analyse FASTA

Effective publication: Kishimoto N, Kosako Y, Tano T. Acidobacterium capsulatum gen. nov., sp. nov.: an acidophilic chemoorganotrophic bacterium containing menaquinone from acidic mineral environment. Curr. Microbiol. 1991; 22:1-7.

IJSEM list: Anonymous. Validation list no. 38. Validation of publication of new names and new combinations previously effectively published outside the IJSB. Int J Syst Bacteriol 1991; 41:456-457.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• Emendations:
  • Pankratov et al. 2012 Pankratov TA, Kirsanova LA, Kaparullina EN, Kevbrin VV, Dedysh SN. Telmatobacter bradus gen. nov., sp. nov., a cellulolytic facultative anaerobe from subdivision 1 of the Acidobacteria, and emended description of Acidobacterium capsulatum Kishimoto et al. 1991. Int J Syst Evol Microbiol 2012; 62:430-437. Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 62, part 2 of the IJSEM. Int J Syst Evol Microbiol 2012; 62:1020.

• Notes:
  • 🥇 Nomenclatural type of the genus Acidobacterium Kishimoto et al. 1991. Publication: Kishimoto N, Kosako Y, Tano T. Acidobacterium capsulatum gen. nov., sp. nov.: an acidophilic chemoorganotrophic bacterium containing menaquinone from acidic mineral environment. Curr. Microbiol. 1991; 22:1-7.
  • 😷 The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 1, note = "Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No". — The risk group for Swiss Confederation has been imported on 2024-02-01. The full classification is: risk group = 1. — 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 35 times in PubMed until 2025-06-04.

Parent taxon: Acidobacterium Kishimoto et al. 1991

Assigned by: Kishimoto N, Kosako Y, Tano T. Acidobacterium capsulatum gen. nov., sp. nov.: an acidophilic chemoorganotrophic bacterium containing menaquinone from acidic mineral environment. Curr. Microbiol. 1991; 22:1-7.

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Record number: 772589