Name: Bacteroides melaninogenicus subsp. melaninogenicus (Oliver and Wherry 1921) Holdeman and Moore 1970 (Approved Lists 1980)

Category: Subspecies

Proposed as: subsp. nov. (rule 40d)

Basonym: "Bacterium melaninogenicum" Oliver and Wherry 1921

Etymology: me.la.ni.no.ge’ni.cus. Gr. masc. adj. genikos, principal, typical; N.L. masc. adj. melaninogenicus, melanin producing (black pigment is due to protoheme and not to melanin, as originally thought.)

Pronunciation (Latin), gender: bak-ter-o-I-des me-la-ni-no-GE-ni-kus me-la-ni-no-GE-ni-kus, masculine

Type strain: ATCC 25845; CCUG 4944; CCUG 4944 B; CIP 105346; DSM 7089; Finegold B282; JCM 6325; NCTC 12963; VPI 15087; VPI 4196

Effective publication: Holdeman LV, Moore WEC. Bacteroides. In: Cato EP, Cummins CS, Holdeman LV, Johnson JL, Moore WEC, Smibert RM, Smith LDS (eds), Outline of Clinical Methods in Anaerobic Bacteriology, 2nd revision, Virginia Polytechnic Institute - Anaerobe Laboratory, Blacksburg/Virginia, 1970, p. 33-44.

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: orphaned subspecies (and not recommended for medical use)

Risk group: 2

• Notes:
  • 📠 This subspecies was automatically created by the valid publication of Bacteroides melaninogenicus subsp. intermedius Holdeman and Moore 1970 (Approved Lists 1980) according to rule 40d. Publication: Holdeman LV, Moore WEC. Bacteroides. In: Cato EP, Cummins CS, Holdeman LV, Johnson JL, Moore WEC, Smibert RM, Smith LDS (eds), Outline of Clinical Methods in Anaerobic Bacteriology, 2nd revision, Virginia Polytechnic Institute - Anaerobe Laboratory, Blacksburg/Virginia, 1970, p. 33-44.
  • ❗ Bacteroides melaninogenicus subsp. melaninogenicus is the correct name instead if this subspecies is regarded as a separate subspecies (i.e., if its nomenclatural type is not assigned to another subspecies whose name is validly published, legitimate and not rejected and has priority) within a separate species Bacteroides melaninogenicus within a separate genus Bacteroides.
  • 😷 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 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 2026-08-13. The full classification is: risk group = 2, note = "ht". — 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.
  • 🙅 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 subspecies. The name is on LoRN because of the recorded risk group of the species itself.
  • 🧍 In the Approved Lists of Bacterial Names, Bacteroides melaninogenicus subsp. melaninogenicus was erroneously cited as Bacteroides melaninogenicus subsp. melaninogenicus (Oliver and Wherry 1921) Holdeman and Moore 1970. (Due to a subsequent change of Rule 40d, this indication of authorship is now correct.) Publication: Euzeby JP, Tindall BJ. Necessary corrections to the Approved Lists of Bacterial Names according to Rule 40d (formerly Rule 46). Request for an opinion. Int J Syst Evol Microbiol 2002; 52:2321-2322. 🇫🇷

Parent taxon: Bacteroides melaninogenicus (Oliver and Wherry 1921) Roy and Kelly 1939 (Approved Lists 1980)

Assigned by: Holdeman LV, Moore WEC. Bacteroides. In: Cato EP, Cummins CS, Holdeman LV, Johnson JL, Moore WEC, Smibert RM, Smith LDS (eds), Outline of Clinical Methods in Anaerobic Bacteriology, 2nd revision, Virginia Polytechnic Institute - Anaerobe Laboratory, Blacksburg/Virginia, 1970, p. 33-44.

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Record number: 773960