Name: Acidothermus cellulolyticus Mohagheghi et al. 1986

Category: Species

Proposed as: sp. nov.

Etymology: cel.lu.lo.ly’ti.cus. N.L. neut. n. cellulosum, cellulose; N.L. masc. adj. lyticus, able to loose, able to dissolve; from Gr. masc. adj. lytikos, dissolving; N.L. masc. adj. cellulolyticus, cellulose-dissolving [probably better: cellulosilyticus]

Gender: masculine

Type strain: 11B; ATCC 43068; DSM 8971

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AJ007290 Analyse FASTA

Valid publication: Mohagheghi A, Grohmann K, Himmel M, Leighton L, Updegraff DM. Isolation and characterization of Acidothermus cellulolyticus gen. nov., sp. nov., a new genus of thermophilic, acidophilic, cellulolytic bacteria. Int. J. Syst. Bacteriol. 1986; 36:435-443.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• Emendations:
  • Nouioui et al. 2018 Nouioui I, Carro L, Garcia-Lopez M, Meier-Kolthoff JP, Woyke T, Kyrpides NC, Pukall R, Klenk HP, Goodfellow M, Goker M. Genome-Based Taxonomic Classification of the Phylum Actinobacteria. Front Microbiol 2018; 9:2007. Oren A, Garrity GM. List of changes in taxonomic opinion no. 29. Notification of changes in taxonomic opinion previously published outside the IJSEM. Int J Syst Evol Microbiol 2019; 69:13-32.

• Notes:
  • 🥇 Nomenclatural type of the genus Acidothermus Mohagheghi et al. 1986. Publication: Mohagheghi A, Grohmann K, Himmel M, Leighton L, Updegraff DM. Isolation and characterization of Acidothermus cellulolyticus gen. nov., sp. nov., a new genus of thermophilic, acidophilic, cellulolytic bacteria. Int. J. Syst. Bacteriol. 1986; 36:435-443.
  • 😷 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 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.
  • 🎓 Name mentioned 77 times in PubMed until 2024-03-27.

Parent taxon: Acidothermus Mohagheghi et al. 1986

Assigned by: Mohagheghi A, Grohmann K, Himmel M, Leighton L, Updegraff DM. Isolation and characterization of Acidothermus cellulolyticus gen. nov., sp. nov., a new genus of thermophilic, acidophilic, cellulolytic bacteria. Int. J. Syst. Bacteriol. 1986; 36:435-443.

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Record number: 772594