Name: Rickettsiella Philip 1956 (Approved Lists 1980)

Category: Genus

Proposed as: gen. nov.

Etymology: N.L. fem. n. Rickettsia, genus of parasitic bacteria; L. fem. dim. n. suff. -ella, diminutive ending; N.L. fem. dim. n. Rickettsiella, small Rickettsia

Gender: feminine (stem: Rickettsiell-)

Type species: Rickettsiella popilliae (Dutky and Gooden 1952) Philip 1956 (Approved Lists 1980)

Conduct genome-based taxonomy of genus at TYGS

16S rRNA gene: Analyse FASTA

Effective publication: Philip CB. Comments on the classification of the order Rickettsiales. Can J Microbiol 1956; 2:261-270.

IJSEM list: Skerman VBD, McGowan V, Sneath PHA. Approved lists of bacterial names. Int J Syst Bacteriol 1980; 30:225-420.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

• Synonyms:

  • Name	Kind
    Diplorickettsia Mediannikov et al. 2011	heterotypic synonym, validly published under the ICNP

• Emendations:
  • Saini and Gupta 2021 Saini N, Gupta RS. A robust phylogenetic framework for members of the order Legionellales and its main genera (Legionella, Aquicella, Coxiella and Rickettsiella) based on phylogenomic analyses and identification of molecular markers demarcating different clades. Antonie Van Leeuwenhoek 2021; 114:957-982.
    Notes:
    • Emendation accompanied by the proposal of 1 new species in the genus.
    • As of 2021-12-12 this emendation was not yet included in an IJSEM List of Changes in Taxonomic Opinion.

• Notes:
  • Breed et al. (1957) assigned this genus to the tribe Wolbachieae Philip 1955 (Approved Lists 1980). Publication: Parker CD. Genus V. Thiobacillus Beijerinck 1904. In: Breed RS, Murray EGD, Smith NR (eds), Bergey's Manual of Determinative Bacteriology, 7th edition, The Williams & Wilkins Co, Baltimore, 1957, p. 83-88.
  • Philip (1962) assigned this genus to the tribe Wolbachieae Philip 1955 (Approved Lists 1980). Publication: Philip CB. Appendix G. Summary of tickborne rickettsioses. Report 2nd Meeting FAOIE Expert Panel on Tick-borne Diseases of Livestock, Cairo. United Nations, Rome, 1962.
  • The type species of this genus has alternatively been placed in the genus Coxiella (Philip 1943) Philip 1948 (Approved Lists 1980). Publication: Dutky SR, Gooden EL. Coxiella popilliae, n. sp., a rickettsia causing blue disease of Japanese beetle larvae. J Bacteriol 1952; 63:743-750.
  • This taxon name is occasionally misprinted in some sources as: "Hickettsiella"; "Iickettsiella"; "Richettsiella"; "Rickeitsiella"; "Rickeltsiella"; "Ricketisiella"; "Ricketlsiella"; "Ricketsiella"; "Rickettsiclla"; "Rickettsielia".
  • The BRCs most frequently used for deposits in this group are: DSM: 1.
  • Pittman et al. (1991) suggested the abbreviation "RKSL" for this genus name but this does not appear to be of practical relevance any longer. Publication: Pittman KF, Walczak CA, Lock CM. Codes and abbreviations for approved of effectively published names of genera of bacteria published from January 1980 to December 1990. Int J Syst Bacteriol 1991; 41:571-579.

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: 11

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    "Rickettsiella agriotidis" Leclerque et al. 2011	not validly published	preferred name (not correct name)
    "Rickettsiella armadillidii" Frutos et al. 1994	not validly published	preferred name (not correct name)
    Rickettsiella chironomi (ex Weiser 1963) Weiss et al. 1984	validly published under the ICNP	correct name
    "Rickettsiella costelytrae" Leclerque et al. 2012	not validly published	preferred name (not correct name)
    Rickettsiella grylli (ex Vago and Martoja 1963) Weiss et al. 1984	validly published under the ICNP	correct name
    "Candidatus Rickettsiella isopodorum" Kleespies et al. 2014	not validly published	preferred name (not correct name)
    Rickettsiella massiliensis (Mediannikov et al. 2011) Saini and Gupta 2021	validly published under the ICNP	correct name
    Rickettsiella popilliae (Dutky and Gooden 1952) Philip 1956 (Approved Lists 1980)	validly published under the ICNP	correct name
    "Rickettsiella pyronotae" Kleespies et al. 2011	not validly published	preferred name (not correct name)
    Rickettsiella stethorae Hall and Badgley 1957 (Approved Lists 1980)	validly published under the ICNP	correct name
    "Candidatus Rickettsiella viridis" Tsuchida et al. 2014	not validly published	preferred name (not correct name)

Parent taxon: Coxiellaceae Garrity et al. 2005

Assigned by: Garrity GM, Bell JA, Lilburn T. Family II. Coxiellaceae fam. nov. In: Brenner DJ, Krieg NR, Staley JT, Garrity GM (eds), Bergey's Manual of Systematic Bacteriology, 2nd edn, vol. 2 (The Proteobacteria), part B (The Gammaproteobacteria), Springer, New York, 2005, p. 237.

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Record number: 517331