Name: Methanothermobacter Wasserfallen et al. 2000

Category: Genus

Proposed as: gen. nov.

Etymology: Me.tha.no.ther.mo.bac.ter. N.L. neut. n. methanum, methane; from French masc. n. méthyle; from Chem. neut. suff. -ane; N.L. pref. methano-, pertaining to methane (in compound words); Gr. masc. adj. thermos, hot; N.L. masc. n. bacter, rod, staff; N.L. masc. n. Methanothermobacter, thermophilic methane rod

Gender: masculine (stem: Methanothermobacter-)

Type species: Methanothermobacter thermautotrophicus corrig. (Zeikus and Wolfe 1972) Wasserfallen et al. 2000

Conduct genome-based taxonomy of genus at TYGS

16S rRNA gene: Analyse FASTA

Valid publication: Wasserfallen A, Nolling J, Pfister P, Reeve J, Conway de Macario E. Phylogenetic analysis of 18 thermophilic Methanobacterium isolates supports the proposals to create a new genus, Methanothermobacter gen. nov., and to reclassify several isolates in three species, Methanothermobacter thermautotrophicus comb. nov., Methanothermobacter wolfeii comb. nov., and Methanothermobacter marburgensis sp. nov. Int J Syst Evol Microbiol 2000; 50:43-53.

IJSEM list: Anonymous. Notification list. Notification that new names and new combinations have appeared in volume 50, part 1 of the IJSEM. Int J Syst Evol Microbiol 2000; 50:425-426.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• Notes:
  • 🥇 Nomenclatural type of the family "Methanothermobacteraceae" Rinke et al. 2021. Publication: Rinke C, Chuvochina M, Mussig AJ, Chaumeil PA, Davin AA, Waite DW, Whitman WB, Parks DH, Hugenholtz P. A standardized archaeal taxonomy for the Genome Taxonomy Database. Nat Microbiol 2021; 6:946-959.
  • 🥇 Nomenclatural type of the family Methanothermobacteraceae Chuvochina et al. 2024. Publication: Chuvochina M, Mussig AJ, Chaumeil PA, Skarshewski A, Rinke C, Parks DH, Hugenholtz P. Proposal of names for 329 higher rank taxa defined in the Genome Taxonomy Database under two prokaryotic codes. FEMS Microbiol Lett 2023; 0:0.
  • 🧕 Chuvochina et al. (2023) assigned this genus to the family Methanothermobacteraceae Chuvochina et al. 2024. Publication: Chuvochina M, Mussig AJ, Chaumeil PA, Skarshewski A, Rinke C, Parks DH, Hugenholtz P. Proposal of names for 329 higher rank taxa defined in the Genome Taxonomy Database under two prokaryotic codes. FEMS Microbiol Lett 2023; 0:0.
  • 🚋 The type species of this genus has alternatively been placed in the genus Methanobacterium Kluyver and van Niel 1936 (Approved Lists 1980). Publication: Blotevogel K, Fischer U, Mocha M, Jannsen S. Methanobacterium thermoalcaliphilum spec. nov., a new moderately alkaliphilic and thermophilic autotrophic methanogen. Arch. Microbiol. 1985; 142:211-217.
  • 🚋 The type species of this genus has alternatively been placed in the genus Methanobacterium Kluyver and van Niel 1936 (Approved Lists 1980). Publication: Zeikus JG, Wolfe RS. Methanobacterium thermoautotrophicus sp. n., an anaerobic, autotrophic, extreme thermophile. J Bacteriol 1972; 109:707-715.
  • 🚋 The type species of this genus has alternatively been placed in the genus Methanobacterium Kluyver and van Niel 1936 (Approved Lists 1980). Publication: Zhilina TN, Ilarionov SA. Isolation and comparative characteristics of methanogenic bacteria assimilating formate with the description of Methanobacterium thermoformicicum sp. nov. Mikrobiologiya 1984; 53:785-790.
  • 🙄 This taxon name is occasionally misprinted (or affected by an OCR error) in some sources as: "Methanothemobacter"; "Methanothennobacter"; "Methaoothermobacter". — 🤨 This taxon name is occasionally used in plural form as: "Methanothermobacteria".
  • 🖹 Minimal standards for the description of new taxa in this group were published in 2023. Publication: Prakash O, Dodsworth JA, Dong X, Ferry JG, L'Haridon S, Imachi H, Kamagata Y, Rhee SK, Sagar I, Shcherbakova V, et al. Proposed minimal standards for description of methanogenic archaea. Int J Syst Evol Microbiol 2023; 73:5500.
  • 🎰 The BRCs most frequently used for deposits in this group are: DSM: 11; VKM: 8; JCM: 6; ATCC: 5; NBRC: 5.
  • 😷 The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 1, note = "Animal classification RG: 1 - Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No - Containment level: Containment Level 1".
  • 🧍 In 1993, Boone et al. provided molecular taxonomic evidence that the thermophilic species of Methanobacterium Kluyver and van Niel 1936 (Approved Lists 1980) should be moved into a separate genus, suggesting Methanobacter as the name. However, the genus name "Methanobacter" Boone et al. 1993 was not validly published. Publication: Wasserfallen A, Nolling J, Pfister P, Reeve J, Conway de Macario E. Phylogenetic analysis of 18 thermophilic Methanobacterium isolates supports the proposals to create a new genus, Methanothermobacter gen. nov., and to reclassify several isolates in three species, Methanothermobacter thermautotrophicus comb. nov., Methanothermobacter wolfeii comb. nov., and Methanothermobacter marburgensis sp. nov. Int J Syst Evol Microbiol 2000; 50:43-53.
  • 🧍 In the paper describing the new genus Methanothermobacter, Wasserfallen et al. [1] proposed Methanothermobacter marburgensis Wasserfallen et al. 2000, sp. nov., Methanothermobacter thermautotrophicus (Zeikus and Wolfe 1972) Wasserfallen et al. 2000, comb. nov., and Methanothermobacter wolfeii corrig. (Winter et al. 1985) Wasserfallen et al. 2000, comb. nov. Publication: Anonymous. Notification list. Notification that new names and new combinations have appeared in volume 50, part 1 of the IJSEM. Int J Syst Evol Microbiol 2000; 50:425-426.
  • 🧍 The authors [1] also proposed the following new combinations: "Methanothermobacter defluvii" (Kotelnikova et al. 1994) Wasserfallen et al. 2000 (basonym: Methanobacterium defluvii Kotelnikova et al. 1994), "Methanothermobacter thermoflexus" (Kotelnikova et al. 1994) Wasserfallen et al. 2000 (basonym: Methanobacterium thermoflexum Kotelnikova et al. 1994), and "Methanothermobacter thermophilus" (Laurinavichus et al. 1990) Wasserfallen et al. 2000 (basonym: Methanobacterium thermophilum Laurinavichus et al. 1990). However, these new combinations were not described according to the Rules of the Bacteriological Code (1990 Revision), and they were not cited in the Notification List published in the March 2000 issue of the IJSEM [2]. Later, "Methanothermobacter defluvii", "Methanothermobacter thermoflexus", and "Methanothermobacter thermophilus" were cited in the second edition of the Bergey's Manual of Systematic Bacteriology [3] and they were validly published in Validation List no. 85 [4]. Publication: Boone DR. Genus IV. Methanothermobacter Wasserfallen, Nölling, Pfister, Reeve and Conway de Macario 2000, 51VP. 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. 230-233.

Subdivision:

Number of child taxa with a validly published and correct name: 8
Number of child taxa with a validly published name, including synonyms: 8
Total number of child taxa: 11

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    Methanothermobacter crinale Cheng et al. 2012	validly published under the ICNP	correct name
    Methanothermobacter defluvii (Kotelnikova et al. 1994) Boone 2002	validly published under the ICNP	correct name
    Methanothermobacter marburgensis Wasserfallen et al. 2000	validly published under the ICNP	correct name
    Methanothermobacter tenebrarum Nakamura et al. 2013	validly published under the ICNP	correct name
    Methanothermobacter thermautotrophicus corrig. (Zeikus and Wolfe 1972) Wasserfallen et al. 2000	validly published under the ICNP	correct name
    Methanothermobacter thermoflexus (Kotelnikova et al. 1994) Boone 2002	validly published under the ICNP	correct name
    "Methanothermobacter thermoflexus" (Kotelnikova et al. 1994) Wasserfallen et al. 2000	not validly published	synonym (and no standing)
    "Methanothermobacter thermophilus" (Laurinavichus et al. 1990) Wasserfallen et al. 2000	not validly published	synonym (and no standing)
    Methanothermobacter thermophilus (Laurinavichus et al. 1990) Boone 2002	validly published under the ICNP	correct name
    Methanothermobacter wolfei corrig. (Winter et al. 1985) Wasserfallen et al. 2000	validly published under the ICNP	correct name
    Methanothermobacter wolfeii (Winter et al. 1985) Wasserfallen et al. 2000	inaccurate spelling	misspelling

Parent taxon: Methanobacteriaceae Barker 1956 (Approved Lists 1980)

Assigned by: Wasserfallen A, Nolling J, Pfister P, Reeve J, Conway de Macario E. Phylogenetic analysis of 18 thermophilic Methanobacterium isolates supports the proposals to create a new genus, Methanothermobacter gen. nov., and to reclassify several isolates in three species, Methanothermobacter thermautotrophicus comb. nov., Methanothermobacter wolfeii comb. nov., and Methanothermobacter marburgensis sp. nov. Int J Syst Evol Microbiol 2000; 50:43-53.

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Record number: 516055