Name: Moorella Collins et al. 1994

Category: Genus

Proposed as: gen. nov.

Etymology: Moor.el’la. N.L. fem. dim. n. Moorella, in honor of W.E.C. (Ed) Moore, an American bacteriologist, who worked with anaerobes

Gender: feminine (stem: Moorell-)

Type species: Moorella thermoacetica (Fontaine et al. 1942) Collins et al. 1994

Conduct genome-based taxonomy of genus at TYGS

16S rRNA gene: Analyse FASTA

Valid publication: Collins MD, Lawson PA, Willems A, Cordoba JJ, Fernandez-Garayzabal J, Garcia P, Cai J, Hippe H, Farrow JA. The phylogeny of the genus Clostridium: proposal of five new genera and eleven new species combinations. Int J Syst Bacteriol 1994; 44:812-826.

IJSEM list: Anonymous. Notification list. Notification that new names and new combinations have appeared in volume 44, part 4 of the IJSB. Int J Syst Bacteriol 1995; 45:199-200.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

• Notes:
  • Nomenclatural type of the family Moorellaceae Lv et al. 2020. Publication: Lv XM, Yang M, Dai LR, Tu B, Chang C, Huang Y, Deng Y, Lawson PA, Zhang H, Cheng L, et al. Zhaonella formicivorans gen. nov., sp. nov., an anaerobic formate-utilizing bacterium isolated from Shengli oilfield, and proposal of four novel families and Moorellales ord. nov. in the phylum Firmicutes. Int J Syst Evol Microbiol 2020; 70:3361-3373.
  • Nomenclatural type of the order Moorellales Lv et al. 2020. Publication: Lv XM, Yang M, Dai LR, Tu B, Chang C, Huang Y, Deng Y, Lawson PA, Zhang H, Cheng L, et al. Zhaonella formicivorans gen. nov., sp. nov., an anaerobic formate-utilizing bacterium isolated from Shengli oilfield, and proposal of four novel families and Moorellales ord. nov. in the phylum Firmicutes. Int J Syst Evol Microbiol 2020; 70:3361-3373.
  • Boone et al. (2001) assigned this genus to the family "Thermoanaerobacteriaceae". Publication: Garrity GM, Holt JG. The Road Map to the Manual. In: Boone DR, Castenholz RW, Garrity GM (eds), Bergey's Manual of Systematic Bacteriology, second edition, vol. 1 (The Archaea and the deeply branching and phototrophic Bacteria), Springer-Verlag, New York, 2001, p. 119-166.
  • The type species of this genus has alternatively been placed in the genus Clostridium Prazmowski 1880 (Approved Lists 1980). Publication: Fontaine FE, Peterson WH, McCoy E, Johnson MJ, Ritter GJ. A New Type of Glucose Fermentation by Clostridium thermoaceticum. J Bacteriol 1942; 43:701-715.
  • The type species of this genus has alternatively been placed in the genus Clostridium Prazmowski 1880 (Approved Lists 1980). Publication: Wiegel J, Braun M, Gottschalk G. Clostridium thermoautotrophicum species nova, a thermophile producing acetate from molecular hydrogen and carbon dioxide. Curr. Microbiol. 1981; 5:255-260.
  • This taxon name is occasionally misprinted in some sources as: "Moorrella".
  • The phylogenomic assignment score of this taxon is -0.06276 (N = 1).
  • The BRCs most frequently used for deposits in this group are: DSM: 8; ATCC: 5; JCM: 2; VKM: 1; CGMCC: 1.
  • Moorella Collins et al. 1994 is a later homonym of a genus name with standing in the botanical (fungal) nomenclature: Moorella P. Rag. Rao and D. Rao 1964. Moorella Collins et al. 1994 is also a later homonym of a genus name with standing in the zoological (animal) nomenclature: Moorella Cameron, 1913. Principle 2 of the 2008 Code is not retroactive, so the name does not contravene the Code because of this homonymy. — Crook M. Personal communication, 2021-08-19.

Subdivision:

Number of child taxa with a validly published and correct name: 5
Number of child taxa with a validly published name, including synonyms: 6
Total number of child taxa: 8

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    Moorella glycerini Slobodkin et al. 1997	validly published under the ICNP	correct name
    Moorella humiferrea Nepomnyashchaya et al. 2012	validly published under the ICNP	correct name
    Moorella mulderi Balk et al. 2005	validly published under the ICNP	correct name
    "Moorella perchloratireducens" Balk et al. 2008	not validly published
    Moorella stamsii Alves et al. 2013	validly published under the ICNP	correct name
    "Moorella sulfitireducens" Slobodkina et al. 2022	not validly published
    Moorella thermoacetica (Fontaine et al. 1942) Collins et al. 1994	validly published under the ICNP	correct name
    Moorella thermoautotrophica (Wiegel et al. 1982) Collins et al. 1994	validly published under the ICNP, rejected name	synonym

Parent taxon: Thermoanaerobacteraceae Wiegel 2010

Assigned by: Wiegel J. Family I. Thermoanaerobacteraceae fam. nov. In: De Vos P, Garrity GM, Jones D, Krieg NR, Ludwig W, Rainey FA, K.-H. S, Whitman WB (eds), Bergey's Manual of Systematic Bacteriology, 2nd edn, vol. 3 (The Firmicutes), Springer, New York, 2009, p. 1225.

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Record number: 517086