Name: Porphyromonas asaccharolytica (Holdeman and Moore 1970) Shah and Collins 1988

Category: Species

Proposed as: comb. nov.

Basonym: "Bacteroides melaninogenicus subsp. asaccharolyticus" Holdeman and Moore 1970

Etymology: a.sac.cha.ro.ly’ti.ca. Gr. pref. a-, not (inseparable prefix); Gr. neut. n. sakchar, sugar; N.L. fem. adj. lytica, able to loose, able to dissolve; from Gr. fem. adj. lytikê, able to loosen; N.L. fem. adj. asaccharolytica, not digesting sugar

Gender: feminine

Type strain: ATCC 25260; CCUG 7834; DSM 20707; JCM 6326; LMG 13178

Conduct genome-based taxonomy at

16S rRNA gene: AB547653 Analyse FASTA

Valid publication: Shah HN, Collins MD. Proposal for reclassification of Bacteroides asaccharolyticus, Bacteroides gingivalis, and Bacteroides endodontalis in a new genus, Porphyromonas. Int. J. Syst. Bacteriol. 1988; 38:128-131.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 2

• Synonyms:

  • Name	Kind
    "Bacteroides melaninogenicus subsp. asaccharolyticus" Holdeman and Moore 1970	homotypic synonym, not validly published, basonym of name in Approved Lists, distinct rank
    Bacteroides asaccharolyticus (Holdeman and Moore 1970) Finegold and Barnes 1977 (Approved Lists 1980)	homotypic synonym, validly published under the ICNP

• Emendations:
  • Hahnke et al. 2016 Hahnke RL, Meier-Kolthoff JP, Garcia-Lopez M, Mukherjee S, Huntemann M, Ivanova NN, Woyke T, Kyrpides NC, Klenk HP, Goker M. Genome-Based Taxonomic Classification of Bacteroidetes. Front Microbiol 2016; 7:2003. Oren A, Garrity GM. List of changes in taxonomic opinion no. 26. Notification of changes in taxonomic opinion previously published outside the IJSEM. Int J Syst Evol Microbiol 2017; 67:2081-2086.
    Notes:
    • 🧍 The genome of the type strain was sequenced as part of the GEBA (Genomic Encyclopedia of Bacteria and Archaea) project.

• Notes:
  • 🥇 Nomenclatural type of the genus Porphyromonas Shah and Collins 1988. Publication: Shah HN, Collins MD. Proposal for reclassification of Bacteroides asaccharolyticus, Bacteroides gingivalis, and Bacteroides endodontalis in a new genus, Porphyromonas. Int. J. Syst. Bacteriol. 1988; 38:128-131.
  • 😷 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". — 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 80 times in PubMed until 2024-03-27.
  • 🧍 According to Bartlett et al. (2022), this species is an established human pathogen. Publication: Bartlett A, Padfield D, Lear L, Bendall R, Vos M. A comprehensive list of bacterial pathogens infecting humans. Microbiology 2022; 168:0.

Parent taxon: Porphyromonas Shah and Collins 1988

Assigned by: Shah HN, Collins MD. Proposal for reclassification of Bacteroides asaccharolyticus, Bacteroides gingivalis, and Bacteroides endodontalis in a new genus, Porphyromonas. Int. J. Syst. Bacteriol. 1988; 38:128-131.

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Record number: 779763