Name: Methanoculleus Maestrojuán et al. 1990

Category: Genus

Proposed as: gen. nov.

Etymology: Me.tha.no.cul.le.us. N.L. neut. n. methanum, methane; from French masc. n. méthyle; from Chem. neut. suff. -ane; N.L. pref. methano-, pertaining to methane; L. masc. n. culleus, a leather bag, a sack for holding liquids; N.L. masc. n. Methanoculleus, methane producing bag

Gender: masculine (stem: Methanoculle-)

Type species: Methanoculleus bourgensis corrig. (Ollivier et al. 1986) Maestrojuán et al. 1990

Conduct genome-based taxonomy of genus at TYGS

16S rRNA gene: Analyse FASTA

Valid publication: Maestrojuán GM, Boone DR, Xun L, Mah RA, Zhang L. Transfer of Methanogenium bourgense, Methanogenium marisnigri, Methanogenium olentangyi, and Methanogenium thermophilicum to the genus Methanoculleus gen. nov., emendation of Methanoculleus marisnigri and Methanogenium and description of new strains of Methanoculleus bourgense and Methanoculleus marisnigri. Int. J. Syst. Bacteriol. 1990; 40:117-122.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

• Notes:
  • The type species of this genus has alternatively been placed in the genus Methanogenium Romesser et al. 1981. Publication: Corder RE, Hook LA, Larkin JM, Frea JI. Isolation and characterization of two new methane-producing cocci: Methanogenium olentangyi, sp. nov., and Methanococcus deltae, sp. nov. Arch. Microbiol. 1983; 134:28-32.
  • The type species of this genus has alternatively been placed in the genus Methanogenium Romesser et al. 1981. Publication: Ollivier BM, Mah RA, Garcia JL, Boone DR. Isolation and characterization of Methanogenium bourgense sp. nov. Int. J. Syst. Bacteriol. 1986; 36:297-301.
  • This taxon name is occasionally misprinted in some sources as: "Hetbanoculleus"; "Hethanoculleus"; "Mehtanoculleus"; "Methanocelleus"; "Methanocullcus"; "Methanoculleua"; "Metharioculleus"; "Metharzoculleus"; "Methunoculleus"; "Metlianoculleus"; "Metlzanoculleus"; "Rethanoculleus".
  • Taxonomists who have recently focused on this group are the corresponding authors of Asakawa and Nagaoka (2003), Weng 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 -0.00879 (N = 3).
  • The BRCs most frequently used for deposits in this group are: DSM: 14; ATCC: 6; JCM: 3; NBRC: 2; CGMCC: 2; BCRC: 2.
  • Pittman et al. (1991) suggested the abbreviation "MECU" 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: 11
Number of child taxa with a validly published name, including synonyms: 13
Total number of child taxa: 17

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    Methanoculleus bourgense (Ollivier et al. 1986) Maestrojuán et al. 1990	inaccurate spelling	misspelling
    Methanoculleus bourgensis corrig. (Ollivier et al. 1986) Maestrojuán et al. 1990	validly published under the ICNP	correct name
    Methanoculleus chikugoensis Dianou et al. 2001	validly published under the ICNP	correct name
    Methanoculleus horonobensis Shimizu et al. 2013	validly published under the ICNP	correct name
    Methanoculleus hydrogenitrophicus Tian et al. 2010	validly published under the ICNP	correct name
    Methanoculleus marisnigri (Romesser et al. 1981) Maestrojuán et al. 1990	validly published under the ICNP	correct name
    Methanoculleus oldenburgensis Blotevogel et al. 1998	validly published under the ICNP	synonym
    Methanoculleus olentangyi (Corder et al. 1988) Maestrojuán et al. 1990	validly published under the ICNP	synonym
    Methanoculleus palmolei Zellner et al. 1998	validly published under the ICNP	correct name
    Methanoculleus receptaculi Cheng et al. 2008	validly published under the ICNP	correct name
    Methanoculleus sediminis Chen et al. 2015	validly published under the ICNP	correct name
    Methanoculleus submarinus Mikucki et al. 2003	validly published under the ICNP	correct name
    Methanoculleus taiwanensis Weng et al. 2015	validly published under the ICNP	correct name
    "Candidatus Methanoculleus thermohydrogenitrophicus" corrig. Kougias et al. 2017	not validly published
    "Candidatus Methanoculleus thermohydrogenotrophicum" Kougias et al. 2017	inaccurate spelling
    Methanoculleus thermophilicus (Rivard and Smith 1982) Maestrojuán et al. 1990	inaccurate spelling	misspelling
    Methanoculleus thermophilus corrig. (Rivard and Smith 1982) Maestrojuán et al. 1990	validly published under the ICNP	correct name

Parent taxon: Methanomicrobiaceae Balch and Wolfe 1981

Assigned by: Dianou D, Miyaki T, Asakawa S, Morii H, Nagaoka K, Oyaizu H, Matsumoto S. Methanoculleus chikugoensis sp. nov., a novel methanogenic archaeon isolated from paddy field soil in Japan, and DNA-DNA hybridization among Methanoculleus species. Int J Syst Evol Microbiol 2001; 51:1663-1669.

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Record number: 517070