Name: Moorella thermoautotrophica (Wiegel et al. 1982) Collins et al. 1994

Category: Species

Proposed as: comb. nov.

Basonym: Clostridium thermautotrophicum corrig. Wiegel et al. 1982

Etymology: Gr. masc. adj. thermos, hot; Gr. masc. pron. autos, self; Gr. masc./fem. n. trophos, a feeder; N.L. fem. adj. thermoautotrophica, self-feeding in heat, indicating that the organism grows at elevated temperatures and uses CO2 as its principal carbon source for growth

Gender: feminine

Type strain: ATCC 33924; DSM 1974; JW 701/3

16S rRNA gene: X58353 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

Taxonomic status: synonym

Correct name: Moorella thermoacetica (Fontaine et al. 1942) Collins et al. 1994

Risk group: 1

• Synonyms:

  • Name	Kind
    Clostridium thermautotrophicum corrig. Wiegel et al. 1982	homotypic synonym, validly published
    Clostridium thermoautotrophicum (sic) Wiegel et al. 1982	homotypic synonym, misspelling
    Clostridium thermoaceticum (sic) Fontaine et al. 1942 (Approved Lists 1980)	heterotypic synonym, misspelling
    Clostridium thermaceticum corrig. Fontaine et al. 1942 (Approved Lists 1980)	heterotypic synonym, validly published
    Moorella thermoacetica (Fontaine et al. 1942) Collins et al. 1994	heterotypic synonym, validly published

• Notes:
  • According to Redl et al. (2020), this species is a later heterotypic synonym of Clostridium thermaceticum corrig. Fontaine et al. 1942 (Approved Lists 1980). Publication: Redl S, Poehlein A, Esser C, Bengelsdorf FR, et al. Genome-Based comparison of all species of the genus Moorella, and status of the species Moorella thermoacetica and Moorella thermoautotrophica. Front Microbiol 2020; 10:3070.
  • According to Redl et al. (2020), this species is a later heterotypic synonym of Moorella thermoacetica (Fontaine et al. 1942) Collins et al. 1994. Publication: Redl S, Poehlein A, Esser C, Bengelsdorf FR, et al. Genome-Based comparison of all species of the genus Moorella, and status of the species Moorella thermoacetica and Moorella thermoautotrophica. Front Microbiol 2020; 10:3070.
  • According to Redl et al. (2020), this species is a later heterotypic synonym of Clostridium thermoaceticum (sic) Fontaine et al. 1942 (Approved Lists 1980). Publication: Redl S, Poehlein A, Esser C, Bengelsdorf FR, et al. Genome-Based comparison of all species of the genus Moorella, and status of the species Moorella thermoacetica and Moorella thermoautotrophica. Front Microbiol 2020; 10:3070.
  • Synonymy of this taxon was mentioned in an IJSEM list. Publication: Oren A, Garrity GM. List of changes in taxonomic opinion no. 32. Notification of changes in taxonomic opinion previously published outside the IJSEM. Int J Syst Evol Microbiol 2020; 70:4061-4090.
  • As the type strain is not available from any established culture collection, nor from the authors who originally described the species, Kimura et al. 2016 propose to place the name on the list of rejected names if no replacement is found within two years (Request for an Opinion, Int J Syst Evol Microbiol 66, 3249 – 3251). Publication: Kimura ZI, Hoshino T, Murakami K. The status of the species Moorella thermoautotrophica Wiegel et al. 1981. Request for an Opinion. Int J Syst Evol Microbiol 2016; 66:3249-3251.

Parent taxon: Moorella Collins et al. 1994

Assigned by: 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.

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