Species Actinomyces humiferus

Name: Actinomyces humiferus Gledhill and Casida 1969 (Approved Lists 1980)

Category: Species

Proposed as: sp. nov.

Etymology: hu.mi’fe.rus. L. fem. n. humus, soil; L. masc. adj. ferus, borne (sic); N.L. masc. adj. humiferus, soil-borne [probably better: humifer]

Pronunciation, gender: hu-MI-fe-rus, masculine

Type strain: ATCC 25174; CCUG 35596; CIP 104614; DSM 14368; JCM 11945; NCTC 25174; NRRL B-3752

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: X82449 Analyse FASTA

Effective publication: Gledhill WE, Casida LEJ. Predominant catalase-negative soil bacteria. II. Occurrence and characterization of Actinomyces humiferus, sp. N. Appl Microbiol 1969; 18:114-121.

IJSEM list: Skerman VBD, McGowan V, Sneath PHA. Approved lists of bacterial names. Int J Syst Bacteriol 1980; 30:225-420.

Nomenclatural status: validly published under the ICNP

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

Correct name: Cellulomonas humilata corrig. (Gledhill and Casida 1969) Collins and Pascual 2000

Risk group: 2

Synonyms:

Name	Kind
Cellulomonas humiferus (Gledhill and Casida 1969) Collins and Pascual 2000	homotypic synonym, inaccurate spelling
Cellulomonas humilata corrig. (Gledhill and Casida 1969) Collins and Pascual 2000	homotypic synonym, validly published under the ICNP

Notes:
- ❗ Actinomyces humiferus 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 Actinomyces.
- 😷 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 = 2. — 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 2 times in PubMed until 2025-06-04.
- 🙅 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 risk group of the species itself.

Parent taxon: Actinomyces Harz 1877 (Approved Lists 1980)

Assigned by: Gledhill WE, Casida LEJ. Predominant catalase-negative soil bacteria. II. Occurrence and characterization of Actinomyces humiferus, sp. N. Appl Microbiol 1969; 18:114-121.

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Record number: 772787

This LPSN page was printed on 2025-12-08 09:47:26

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Species Actinomyces humiferus