Name: Olsenella Dewhirst et al. 2001

Category: Genus

Proposed as: gen. nov.

Etymology: Ol.sen.el’la L. fem. dim. suff. -ella, diminutive ending; N.L. fem. dim. n. Olsenella, of Olsen, named to honour Ingar Olsen, a contemporary Norwegian microbiologist, who first described Lactobacillus uli

Type species: Olsenella uli (Olsen et al. 1991) Dewhirst et al. 2001

Conduct genome-based taxonomy of genus at TYGS

Valid publication: Dewhirst FE, Paster BJ, Tzellas N, Coleman B, Downes J, Spratt DA, Wade WG. Characterization of novel human oral isolates and cloned 16S rDNA sequences that fall in the family Coriobacteriaceae: description of olsenella gen. nov., reclassification of Lactobacillus uli as Olsenella uli comb. nov. and description of Olsenella profusa sp. nov. Int J Syst Evol Microbiol 2001; 51:1797-1804.

Nomenclatural status: validly published

Taxonomic status: correct name

• Emendations:
  • Kraatz et al. 2011 Kraatz M, Wallace RJ, Svensson L. Olsenella umbonata sp. nov., a microaerotolerant anaerobic lactic acid bacterium from the sheep rumen and pig jejunum, and emended descriptions of Olsenella, Olsenella uli and Olsenella profusa. Int J Syst Evol Microbiol 2011; 61:795-803.
    Notes:
    • Emendation accompanied by the proposal of 1 new species in the genus.

• Notes:
  • The type species of this genus has alternatively been placed in the genus Lactobacillus Beijerinck 1901 (Approved Lists 1980). Publication: Olsen I, Johnson JL, Moore LV, Moore WE. Lactobacillus uli sp. nov. and Lactobacillus rimae sp. nov. from the human gingival crevice and emended descriptions of lactobacillus minutus and Streptococcus parvulus. Int J Syst Bacteriol 1991; 41:261-266.

Subdivision:

Number of child taxa with a validly published and correct name: 5
Number of child taxa with a validly published name, including synonyms: 5
Total number of child taxa: 6

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    Olsenella faecalis Han et al. 2019	validly published	correct name
    Olsenella profusa Dewhirst et al. 2001	validly published	correct name
    Olsenella scatoligenes Li et al. 2015	validly published	correct name
    "Olsenella timonensis" Ndongo et al. 2019	not validly published
    Olsenella uli (Olsen et al. 1991) Dewhirst et al. 2001	validly published	correct name
    Olsenella umbonata Kraatz et al. 2011	validly published	correct name

Parent taxon: Atopobiaceae Gupta et al. 2013

Assigned by: Gupta RS, Chen WJ, Adeolu M, Chai Y. Molecular signatures for the class Coriobacteriia and its different clades; proposal for division of the class Coriobacteriia into the emended order Coriobacteriales, containing the emended family Coriobacteriaceae and Atopobiaceae fam. nov., and Eggerthellales ord. nov., containing the family Eggerthellaceae fam. nov. Int J Syst Evol Microbiol 2013; 63:3379-3397.

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