Name: Aureobacterium testaceum (Komagata and Iizuka 1964) Collins et al. 1983

Category: Species

Proposed as: comb. nov.

Basonym: Brevibacterium testaceum Komagata and Iizuka 1964 (Approved Lists 1980)

Etymology: tes.ta’ce.um. L. neut. adj. testaceum, brick-colored

Pronunciation (Latin), gender: … tes-TA-ke-um, neuter

Type strain: ATCC 15829; BCRC 12120; CCM 2299; CCRC 12120; CCUG 23849; CIP 104324; DSM 20166; IAM 1561; IFO 12675; IMET 10361; JCM 1353; LMG 16344; NBRC 12675; VKM Ac-1019

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: X77445 Analyse FASTA

Effective publication: Collins MD, Jones D, Keddie RM, Kroppenstedt RM, Schleifer KH. Classification of some coryneform bacteria in a new genus Aureobacterium. Syst Appl Microbiol 1983; 4:236-252. 🇬🇧

IJSEM list: Anonymous. Validation list no. 11. Validation of publication of new names and new combinations previously effectively published outside the IJSB. Int J Syst Bacteriol 1983; 33:672-674.

Nomenclatural status: validly published under the ICNP

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

Correct name: Microbacterium testaceum (Komagata and Iizuka 1964) Takeuchi and Hatano 1998

Risk group: 1

• Synonyms:

  • Name	Kind
    Microbacterium testaceum (Komagata and Iizuka 1964) Takeuchi and Hatano 1998	homotypic synonym, validly published under the ICNP
    Brevibacterium testaceum Komagata and Iizuka 1964 (Approved Lists 1980)	homotypic synonym, validly published under the ICNP
    Curtobacterium testaceum (Komagata and Iizuka 1964) Yamada and Komagata 1972 (Approved Lists 1980)	homotypic synonym, validly published under the ICNP

• Notes:
  • ❗ Aureobacterium testaceum 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 Aureobacterium.
  • 😷 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. — 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 5 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 genus.

Parent taxon: Aureobacterium Collins et al. 1983

Assigned by: Collins MD, Jones D, Keddie RM, Kroppenstedt RM, Schleifer KH. Classification of some coryneform bacteria in a new genus Aureobacterium. Syst Appl Microbiol 1983; 4:236-252. 🇬🇧

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Record number: 773560