Name: Acetobacterium malicum Tanaka and Pfennig 1990

Category: Species

Proposed as: sp. nov.

Etymology: ma’li.cum. N.L. neut. adj. malicum, pertaining to malic acid

Pronunciation (Latin), gender: … MA-li-kum, neuter

Type strain: ATCC 51201; DSM 4132; MuME1

Conduct genome-based taxonomy at

16S rRNA gene: X96957 Analyse FASTA

Effective publication: Tanaka K, Pfennig N. Fermentation of 2-methoxyethanol by Acetobacterium malicum sp. nov. and Pelobacter venetianus. Arch. Microbiol. 1988; 149:181-187. 🇩🇪

IJSEM list: Anonymous. Validation list no. 35. Validation of publication of new names and new combinations previously effectively published outside the IJSB. Int J Syst Bacteriol 1990; 40:470-471.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• Emendations:
  • Spring et al. 2025 Spring S, Wolf J, Kirstein S, Sproer C, Bunk B. Unexpected 16S rRNA heterogeneity in 'Acetobacterium dehalogenans' and reclassification as Acetobacterium malicum subsp. dehalogenans subsp. nov. Int J Syst Evol Microbiol 2025; 75:6783. 🇩🇪 Oren A, Göker M. Notification list. Notification that new names and new combinations have appeared in volume 75, part 5 of the IJSEM. Int J Syst Evol Microbiol 2025; 75:6824.

• Notes:
  • 😩 Deposits incorrectly indicated in some sources as representing the type strain of this taxon: DSM 11527; NBRC 117038.
  • 😷 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.

Subdivision:

Number of child taxa with a validly published and correct name: 2
Number of child taxa with a validly published name, including synonyms: 2
Total number of child taxa: 2

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    Acetobacterium malicum subsp. dehalogenans Spring et al. 2025	validly published under the ICNP	correct name
    Acetobacterium malicum subsp. malicum (Tanaka and Pfennig 1990) Spring et al. 2025	validly published under the ICNP	correct name

Parent taxon: Acetobacterium Balch et al. 1977 (Approved Lists 1980)

Assigned by: Tanaka K, Pfennig N. Fermentation of 2-methoxyethanol by Acetobacterium malicum sp. nov. and Pelobacter venetianus. Arch. Microbiol. 1988; 149:181-187. 🇩🇪

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Record number: 772528