Name: Dialister invisus Downes et al. 2003

Category: Species

Proposed as: sp. nov.

Etymology: in.vis’us. L. masc. part. adj. invisus, unseen, referring to the lack of turbidity of broth cultures of this organism

Gender: masculine

Type strain: CCUG 47026; DSM 15470; E7.25

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AY162469 Analyse FASTA

Valid publication: 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.

IJSEM list: 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.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 2

• Notes:
  • 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: Dialister (ex Bergey et al. 1923) Moore and Moore 1994

Assigned by: 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.

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Record number: 775757