Name: Parabacteroides Sakamoto and Benno 2006

Category: Genus

Proposed as: gen. nov.

Etymology: Gr. prep. para, beside; N.L. masc. n. Bacteroides, a genus name; N.L. masc. n. Parabacteroides, resembling the genus Bacteroides

Gender: masculine (stem: Parabacteroid-)

Type species: Parabacteroides distasonis (Eggerth and Gagnon 1933) Sakamoto and Benno 2006

Conduct genome-based taxonomy of genus at TYGS

16S rRNA gene: Analyse FASTA

Valid publication: Sakamoto M, Benno Y. Reclassification of Bacteroides distasonis, Bacteroides goldsteinii and Bacteroides merdae as Parabacteroides distasonis gen. nov., comb. nov., Parabacteroides goldsteinii comb. nov. and Parabacteroides merdae comb. nov. Int J Syst Evol Microbiol 2006; 56:1599-1605.

IJSEM list: Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 56, part 7 of the IJSEM. Int J Syst Evol Microbiol 2006; 56:2251-2252.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

• Notes:
  • Krieg et al. (2010) assigned this genus to the family Porphyromonadaceae Krieg 2012. Publication: Krieg NR. Family IV. Porphyromonadaceae fam. nov. In: Krieg NR, Staley JT, Brown DR, Hedlund BP, Paster BJ, Ward NL, Ludwig W, Whitman WB (eds), Bergey's Manual of Systematic Bacteriology, 2nd edn, vol. 4, Springer, New York, 2010, p. 61.
  • The type species of this genus has alternatively been placed in the genus Bacteroides Castellani and Chalmers 1919 (Approved Lists 1980). Publication: Eggerth AH, Gagnon BH. The Bacteroides of Human Feces. J Bacteriol 1933; 25:389-413.
  • This taxon was discussed in a meeting of a Taxonomic Subcommittee of the ICSP. Publication: Olsen I, Shah HN. International Committee on Systematics of Prokaryotes; Subcommittee on the taxonomy of Gram-negative anaerobic rods. Int J Syst Evol Microbiol 2008; 58:1051-1055.
  • Taxonomists who have recently focused on this group are the corresponding authors of Sakamoto et al. (2015). Editors in search of reviewers are advised to consider additional criteria such as whether a taxon is covered by one of the ICSP subcommittees.
  • The phylogenomic assignment score of this taxon is 0.02826 (N = 14).
  • The BRCs most frequently used for deposits in this group are: JCM: 8; DSM: 8; CCUG: 7; ATCC: 3; NCTC: 2; CIP: 2; CGMCC: 2; LMG: 1; NBRC: 1; KCTC: 1.

Subdivision:

Number of child taxa with a validly published and correct name: 11
Number of child taxa with a validly published name, including synonyms: 11
Total number of child taxa: 21

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    Parabacteroides acidifaciens Wang et al. 2019	validly published under the ICNP	correct name
    "Parabacteroides bouchesdurhonensis" Dione et al. 2018	not validly published
    Parabacteroides chartae Tan et al. 2012	validly published under the ICNP	correct name
    Parabacteroides chinchillae Kitahara et al. 2013	validly published under the ICNP	correct name
    Parabacteroides chongii Kim et al. 2019	validly published under the ICNP	correct name
    Parabacteroides distasonis (Eggerth and Gagnon 1933) Sakamoto and Benno 2006	validly published under the ICNP	correct name
    "Candidatus Parabacteroides faecavium" Gilroy et al. 2021	not validly published
    Parabacteroides faecis Sakamoto et al. 2015	validly published under the ICNP	correct name
    Parabacteroides goldsteinii (Song et al. 2006) Sakamoto and Benno 2006	validly published under the ICNP	correct name
    Parabacteroides gordonii Sakamoto et al. 2009	validly published under the ICNP	correct name
    Parabacteroides hominis Liu et al. 2022	validly published under the ICNP	correct name
    "Candidatus Parabacteroides intestinavium" Gilroy et al. 2021	not validly published
    "Candidatus Parabacteroides intestinigallinarum" Gilroy et al. 2021	not validly published
    "Candidatus Parabacteroides intestinipullorum" Gilroy et al. 2021	not validly published
    Parabacteroides johnsonii Sakamoto et al. 2007	validly published under the ICNP	correct name
    "Parabacteroides massiliensis" Bellali et al. 2019	not validly published
    Parabacteroides merdae (Johnson et al. 1986) Sakamoto and Benno 2006	validly published under the ICNP	correct name
    "Parabacteroides pacaensis" Benabdelkader et al. 2020	not validly published
    "Parabacteroides pekinense" Li et al. 2022	not validly published
    "Parabacteroides provencensis" Benabdelkader et al. 2020	not validly published
    "Parabacteroides timonensis" Bilen et al. 2019	not validly published

Parent taxon: Tannerellaceae Ormerod et al. 2022

Assigned by: Ormerod KL, Wood DL, Lachner N, Gellatly SL, Daly JN, Parsons JD, Dal'Molin CG, Palfreyman RW, Nielsen LK, Cooper MA, et al. Genomic characterization of the uncultured Bacteroidales family S24-7 inhabiting the guts of homeothermic animals. Microbiome 2016; 4:36.

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Record number: 516255