Name: Cellulomonas cellulans (Metcalfe and Brown 1957) Stackebrandt and Keddie 1988

Category: Species

Proposed as: comb. nov.

Basonym: Nocardia cellulans Metcalfe and Brown 1957 (Approved Lists 1980)

Etymology: cel’lu.lans. N.L. fem. part. adj. cellulans, cell-making

Pronunciation (Latin), gender: kel-lu-LO-mo-nas KEL-lu-lans, feminine

Type strain: ATCC 12830; CCUG 50776; CFBP 4267; CIP 103404; DSM 43189; DSM 43879; HAMBI 95; IFO 15516; JCM 9965; LMG 16221; NBRC 15516; NRRL B-2768; VKM Ac-1412

Conduct genome-based taxonomy at

16S rRNA gene: X79455 Analyse FASTA

Effective publication: Stackebrandt E, Keddie RM. Genus Cellulomonas Bergey et al. 1923, 154, emend. mut. char. Clark 1952, 50AL. In: Sneath PHA, Mair NS, Sharpe ME, Holt JG (eds), Bergey's Manual of Systematic Bacteriology, first edition, vol. 2, The Williams & Wilkins Co., Baltimore, 1986, p. 1325-1329. 🇩🇪

IJSEM list: Anonymous. Validation list no. 25. Validation of publication of new names and new combinations previously effectively published outside the IJSB. Int J Syst Bacteriol 1988; 38:220-222.

Nomenclatural status: validly published under the ICNP

Taxonomic status: synonym (and not recommended for medical use)

Correct name: Cellulosimicrobium cellulans (Metcalfe and Brown 1957) Schumann et al. 2001

Risk group: 1

• Synonyms:

  • Name	Kind
    Brevibacterium lyticum Takayama et al. 1960 (Approved Lists 1980)	heterotypic synonym, validly published under the ICNP
    Cellulosimicrobium cellulans (Metcalfe and Brown 1957) Schumann et al. 2001	homotypic synonym, validly published under the ICNP
    Nocardia cellulans Metcalfe and Brown 1957 (Approved Lists 1980)	homotypic synonym, validly published under the ICNP
    Oerskovia xanthineolytica Lechevalier 1972 (Approved Lists 1980)	heterotypic synonym, validly published under the ICNP
    Brevibacterium fermentans Chatelain and Second 1966 (Approved Lists 1980)	heterotypic synonym, validly published under the ICNP
    "Cellulomonas cartalyticum" Carta 1973	heterotypic synonym, not validly published
    Cellulomonas cartae Stackebrandt and Kandler 1980	heterotypic synonym, validly published under the ICNP

• Notes:
  • ⏰ According to Stackebrandt and Keddie (1986), this species is an earlier heterotypic synonym of Brevibacterium lyticum Takayama et al. 1960 (Approved Lists 1980). Publication: Stackebrandt E, Keddie RM. Genus Cellulomonas Bergey et al. 1923, 154, emend. mut. char. Clark 1952, 50AL. In: Sneath PHA, Mair NS, Sharpe ME, Holt JG (eds), Bergey's Manual of Systematic Bacteriology, first edition, vol. 2, The Williams & Wilkins Co., Baltimore, 1986, p. 1325-1329. 🇩🇪
  • ⏰ According to Stackebrandt et al. (1982), this species is an earlier heterotypic synonym of Brevibacterium fermentans Chatelain and Second 1966 (Approved Lists 1980). Publication: Stackebrandt E, Seiler H, Schleifer KH. Union of the genera Cellulomonas Bergey et al. and Oerskovia Prauser et al. in a redefined genus Cellulomonas. Zentralbl. Bakteriol. Parasitenkd. Infektionskr. Hyg. Abt. 1 Orig. 1982; C3:401-409.
  • ⏰ According to Stackebrandt et al. (1982), this species is an earlier heterotypic synonym of Cellulomonas cartae Stackebrandt and Kandler 1980. Publication: Stackebrandt E, Seiler H, Schleifer KH. Union of the genera Cellulomonas Bergey et al. and Oerskovia Prauser et al. in a redefined genus Cellulomonas. Zentralbl. Bakteriol. Parasitenkd. Infektionskr. Hyg. Abt. 1 Orig. 1982; C3:401-409.
  • ⏰ According to Stackebrandt et al. (1982), this species is an earlier heterotypic synonym of Oerskovia xanthineolytica Lechevalier 1972 (Approved Lists 1980). Publication: Stackebrandt E, Seiler H, Schleifer KH. Union of the genera Cellulomonas Bergey et al. and Oerskovia Prauser et al. in a redefined genus Cellulomonas. Zentralbl. Bakteriol. Parasitenkd. Infektionskr. Hyg. Abt. 1 Orig. 1982; C3:401-409.
  • ⏰ According to Stackebrandt et al. (1982), this species is an earlier heterotypic synonym of "Cellulomonas cartalyticum" Carta 1973. Publication: Stackebrandt E, Seiler H, Schleifer KH. Union of the genera Cellulomonas Bergey et al. and Oerskovia Prauser et al. in a redefined genus Cellulomonas. Zentralbl. Bakteriol. Parasitenkd. Infektionskr. Hyg. Abt. 1 Orig. 1982; C3:401-409.
  • ❗ Cellulomonas cellulans is the correct name instead if this species is regarded as a separate species (i.e., if its nomenclatural type is not assigned to another species whose name is validly published, legitimate and not rejected and has priority) within a separate genus Cellulomonas.
  • 😷 The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 1, note = "Animal classification RG: 2 - Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No - Containment level: Containment Level 2". — The risk group for Swiss Confederation has been imported on 2024-02-01. The full classification is: risk group = 1, note = "PIIC". — The risk group for Germany has been imported on 2026-08-13. The full classification is: risk group = 1, note = "ht+". — The risk group for Taiwan has been imported on 2024-11-03. The full classification is: risk group = 1, note = "P650 = v". — 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 8 times in PubMed until 2026-06-11.
  • 🙅 This name is on the List of Recommended Names for bacteria of medical importance (LoRN) as a synonym of the name to be applied to this species. The name is on LoRN because of the recorded pathogenicity of the species itself.
  • 🧍 According to Bartlett et al. (2022), this species is an established human pathogen. Publication: Bartlett A, Padfield D, Lear L, Bendall R, Vos M. A comprehensive list of bacterial pathogens infecting humans. Microbiology (Reading) 2022; 168:0. 🇬🇧

Parent taxon: Cellulomonas Bergey et al. 1923 (Approved Lists 1980)

Assigned by: Stackebrandt E, Keddie RM. Genus Cellulomonas Bergey et al. 1923, 154, emend. mut. char. Clark 1952, 50AL. In: Sneath PHA, Mair NS, Sharpe ME, Holt JG (eds), Bergey's Manual of Systematic Bacteriology, first edition, vol. 2, The Williams & Wilkins Co., Baltimore, 1986, p. 1325-1329. 🇩🇪

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Record number: 774548