Species Microbacterium chocolatum

Name: Microbacterium chocolatum Takeuchi and Hatano 1998

Category: Species

Proposed as: sp. nov.

Etymology: cho.co.la’tum. N.L. neut. adj. chocolatum, chocolate-colored, derived from the Mexican chocolatl, chocolate

Pronunciation (Latin), gender: … k^ho-ko-LA-tum, neuter

Type strain: BUCSAV 207; CIP 105729; DSM 12507; IFO 3758; JCM 12412; KCTC 19337; NBRC 3758; NCIB 8181; NCIMB 8181; VKM Ac-2078

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AB004725 Analyse FASTA

Valid publication: Takeuchi M, Hatano K. Proposal of six new species in the genus Microbacterium and transfer of Flavobacterium marinotypicum ZoBell and Upham to the genus Microbacterium as Microbacterium maritypicum comb. nov. Int J Syst Bacteriol 1998; 48:973-982. 🇯🇵

IJSEM list: Anonymous. Notification list. Notification that new names and new combinations have appeared in volume 48, part 3 of the IJSB. Int J Syst Bacteriol 1998; 48:1085-1087.

Nomenclatural status: validly published under the ICNP

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

Correct name: Microbacterium aurantiacum Takeuchi and Hatano 1998

Risk group: 1

Synonyms:

Name	Kind
Microbacterium aurantiacum Takeuchi and Hatano 1998	heterotypic synonym, validly published under the ICNP
Microbacterium kitamiense Matsuyama et al. 1999	heterotypic synonym, validly published under the ICNP

Notes:
- ⏲ According to Janthanom et al. (2025), this species is a later heterotypic synonym of Microbacterium aurantiacum Takeuchi and Hatano 1998. Publication: Janthanom R, Quadri SR, Quach NT, Narsing Rao MP, Thamchaipenet A. Reclassification of Microbacterium chocolatum Takeuchi and Hatano 1998 as a Later Heterotypic Synonym of Microbacterium aurantiacum Takeuchi and Hatano 1998. Curr Microbiol 2025; 82:304. 🇨🇳
- 🏢 Synonymy of this taxon was mentioned in an IJSEM list. Publication: Oren A, Göker M. List of changes in taxonomic opinion no. 43. Notification of changes in taxonomic opinion previously published outside the IJSEM. Int J Syst Evol Microbiol 2026; 76:6976.
- ❗ Microbacterium chocolatum 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 Microbacterium.
- 😷 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 4 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: Microbacterium Orla-Jensen 1919 (Approved Lists 1980)

Assigned by: Takeuchi M, Hatano K. Proposal of six new species in the genus Microbacterium and transfer of Flavobacterium marinotypicum ZoBell and Upham to the genus Microbacterium as Microbacterium maritypicum comb. nov. Int J Syst Bacteriol 1998; 48:973-982. 🇯🇵

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Record number: 778032

This LPSN page was printed on 2026-03-17 09:50:06

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Species Microbacterium chocolatum