Species Dialister pneumosintes

Name: Dialister pneumosintes (Olitsky and Gates 1921) Moore and Moore 1994

Category, proposed as: species, comb. nov.

Basonym: "Bacterium pneumosintes" Olitsky and Gates 1921

Etymology: pneu.mo.sin’tes. Gr. neut. n. pneûma, wind, breathed air; Gr. masc. n. sintês, a spoiler, thief; N.L. masc. n. pneumosintes, breath destroying

Pronunciation (Latin), gender: di-a-LIS-ter pne͡u-mo-SIN-tes, masculine

Type strain: ATCC 33048; CCUG 21025; CIP 107041; DSM 11619; JCM 10004

See detailed strain information at

16S rRNA gene: X82500 Analyse FASTA

Valid publication: Moore LV, Moore WE. Oribaculum catoniae gen. nov., sp. nov.; Catonella morbi gen. nov., sp. nov.; Hallella seregens gen. nov., sp. nov.; Johnsonella ignava gen. nov., sp. nov.; and Dialister pneumosintes gen. nov., comb. nov., nom. rev., Anaerobic gram-negative bacilli from the human gingival crevice. Int J Syst Bacteriol 1994; 44:187-192. 🇺🇸

IJSEM list: Anonymous. Notification list. Notification that new names and new combinations have appeared in volume 44, part 2 of the IJSB. Int J Syst Bacteriol 1994; 44:596.

Nomenclatural status: validly published under the ICNP

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

Risk group: 2

• Synonyms:

  • Name	Kind
    Bacteroides pneumosintes (Olitsky and Gates 1921) Holdeman and Moore 1970 (Approved Lists 1980)	homotypic synonym, validly published under the ICNP
    "Bacterium pneumosintes" Olitsky and Gates 1921	homotypic synonym, not validly published, basonym of name in Approved Lists

• Emendations:
  • Downes et al. 2003 Downes J, Munson M, Wade WG. Dialister invisus sp. nov., isolated from the human oral cavity. Int J Syst Evol Microbiol 2003; 53:1937-1940. 🇬🇧 Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 53, part 6 of the IJSEM. Int J Syst Evol Microbiol 2004; 54:309-311.
  • Jumas-Bilak et al. 2005 Jumas-Bilak E, Jean-Pierre H, Carlier JP, Teyssier C, Bernard K, Gay B, Campos J, Morio F, Marchandin H. Dialister micraerophilus sp. nov. and Dialister propionicifaciens sp. nov., isolated from human clinical samples. Int J Syst Evol Microbiol 2005; 55:2471-2478. 🇫🇷 Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 55, part 6 of the IJSEM. Int J Syst Evol Microbiol 2006; 56:319-321.

• Notes:
  • 🥇 Nomenclatural type of the genus Dialister (ex Bergey et al. 1923) Moore and Moore 1994. Publication: Moore LV, Moore WE. Oribaculum catoniae gen. nov., sp. nov.; Catonella morbi gen. nov., sp. nov.; Hallella seregens gen. nov., sp. nov.; Johnsonella ignava gen. nov., sp. nov.; and Dialister pneumosintes gen. nov., comb. nov., nom. rev., Anaerobic gram-negative bacilli from the human gingival crevice. Int J Syst Bacteriol 1994; 44:187-192. 🇺🇸
  • 😷 The risk group for Belgium has been imported on 2024-02-05. The full classification is: risk group = 2, note = "default: 2 human pathogen; var. septicemiae: 2 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: 1 - 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 2026-08-13. The full classification is: risk group = 2. — 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 105 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.
  • 🧍 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 (Reading) 2022; 168:0. 🇬🇧

Parent taxon: Dialister (ex Bergey et al. 1923) Moore and Moore 1994

Assigned by: Moore LV, Moore WE. Oribaculum catoniae gen. nov., sp. nov.; Catonella morbi gen. nov., sp. nov.; Hallella seregens gen. nov., sp. nov.; Johnsonella ignava gen. nov., sp. nov.; and Dialister pneumosintes gen. nov., comb. nov., nom. rev., Anaerobic gram-negative bacilli from the human gingival crevice. Int J Syst Bacteriol 1994; 44:187-192. 🇺🇸

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Record number: 775758