Name: Arcanobacterium haemolyticum (ex MacLean et al. 1946) Collins et al. 1983

Category: Species

Proposed as: sp. nov., nom. rev.

Etymology: hae.mo.ly’ti.cum. Gr. neut. n. haîma, blood; N.L. adj. lyticus -a -um, able to loose, able to dissolve; from Gr. adj. lytikos -ê -on, able to loosen, able to dissolve; N.L. neut. adj. haemolyticum, blood-dissolving, haemolytic

Pronunciation (Latin), gender: ar-ka-no-bak-TE-ri-um ha͡e-mo-LY-ti-kum, neuter

Type strain: ATCC 9345; CCUG 17215; CCUG 33552; CIP 103370; DSM 20595; IFO 15585; LMG 16163; NBRC 15585; NCTC 8452

Conduct genome-based taxonomy at

16S rRNA gene: AJ234059 Analyse FASTA

Effective publication: Collins MD, Jones D, Schofield GM. Reclassification of 'Corynebacterium haemolyticum' (MacLean, Liebow & Rosenberg) in the genus Arcanobacterium gen.nov. as Arcanobacterium haemolyticum nom.rev., comb.nov. J Gen Microbiol 1982; 128:1279-1281. 🇬🇧

IJSEM list: Anonymous. Validation list no. 10. Validation of publication of new names and new combinations previously effectively published outside the IJSB. Int J Syst Bacteriol 1983; 33:438-440.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name (and explicitly recommended for medical use)

Risk group: 2

• Emendations:
  • Nouioui et al. 2018 Nouioui I, Carro L, Garcia-Lopez M, Meier-Kolthoff JP, Woyke T, Kyrpides NC, Pukall R, Klenk HP, Goodfellow M, Goker M. Genome-Based Taxonomic Classification of the Phylum Actinobacteria. Front Microbiol 2018; 9:2007. 🇩🇪 Oren A, Garrity GM. List of changes in taxonomic opinion no. 29. Notification of changes in taxonomic opinion previously published outside the IJSEM. Int J Syst Evol Microbiol 2019; 69:13-32.

• Notes:
  • 🥇 Nomenclatural type of the genus Arcanobacterium Collins et al. 1983. Publication: Collins MD, Jones D, Schofield GM. Reclassification of 'Corynebacterium haemolyticum' (MacLean, Liebow & Rosenberg) in the genus Arcanobacterium gen.nov. as Arcanobacterium haemolyticum nom.rev., comb.nov. J Gen Microbiol 1982; 128:1279-1281. 🇬🇧
  • 😷 The risk group for Belgium has been imported on 2024-02-05. The full classification is: risk group = 2, note = "human pathogen". — The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 2, 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 = 2. — The risk group for Germany has been imported on 2023-10-29. The full classification is: risk group = 2, note = "ht". — The risk group for France has been imported on 2024-08-30. The full classification is: risk group = 2. — The risk group for Sweden has been imported on 2024-02-05. The full classification is: risk group = 2. — The risk group for Taiwan has been imported on 2024-11-03. The full classification is: risk group = 2, note = "P650 = v". — The risk group for United Kingdom has been imported on 2024-01-31. The full classification is: risk group = 2. — The risk group for United States has been imported on 2024-02-09. The full classification is: risk group = 2, note = "(spelled 'Archanobacterium haemolyticum' in us)". — 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 187 times in PubMed until 2026-06-11.
  • 🙆 This name is on the List of Recommended Names for bacteria of medical importance (LoRN) as the name to be applied to this species. The name is on LoRN because of the recorded risk group of the species itself.
  • 🧍 Nom. rev. / basonym "Corynebacterium haemolyticum". Publication: Lacorte JG, Santos M. Endocardite e septicemia pelo Corynebacterium haemolyticum n. sp. Memórias do Instituto Oswaldo Cruz 1944; 41:457-467.
  • 🧍 The genome of the type strain was sequenced as part of the GEBA (Genomic Encyclopedia of Bacteria and Archaea) project. Publication: Yasawong M, Teshima H, Lapidus A, Nolan M, Lucas S, Glavina Del Rio T, Tice H, Cheng JF, Bruce D, Detter C, et al. Complete genome sequence of Arcanobacterium haemolyticum type strain (11018). Stand Genomic Sci 2010; 3:126-135. 🇩🇪

Parent taxon: Arcanobacterium Collins et al. 1983

Assigned by: Collins MD, Jones D, Schofield GM. Reclassification of 'Corynebacterium haemolyticum' (MacLean, Liebow & Rosenberg) in the genus Arcanobacterium gen.nov. as Arcanobacterium haemolyticum nom.rev., comb.nov. J Gen Microbiol 1982; 128:1279-1281. 🇬🇧

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Record number: 773354