Name: Methylocystis (ex Whittenbury et al. 1970) Bowman et al. 1993

Category: Genus

Proposed as: gen. nov., nom. rev.

Etymology: Me.thy.lo.cys’tis. N.L. neut. n. methylum, the methyl group; from French masc. n. méthyle; from French masc. n. méthylène; from Gr. neut. n. methy, wine; from Gr. fem. n. hylê, wood; N.L. neut. n. methyl, pertaining to the methyl radical; Gr. fem. n. kystis, the bladder and in biology, a cyst; N.L. fem. n. Methylocystis, methyl cyst

Gender: feminine (stem: Methylocyst-)

Type species: Methylocystis parva corrig. (ex Whittenbury et al. 1970) Bowman et al. 1993

Conduct genome-based taxonomy of genus at TYGS

16S rRNA gene: Analyse FASTA

Valid publication: Bowman JP, Sly LI, Nichols PD, Hayward AC. Revised taxonomy of the methanotrophs: description of Methylobacter gen. nov., emendation of Methylococcus, validation of Methylosinus and Methylocystis species, and a proposal that the family Methylococcaceae includes only the group I methanotrophs. Int. J. Syst. Bacteriol. 1993; 43:735-753.

IJSEM list: Anonymous. Notification list. Notification that new names and new combinations have appeared in volume 43, part 4 of the IJSB. Int J Syst Bacteriol 1994; 44:184.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

• Emendations:
  • Dedysh et al. 2007 Dedysh SN, Belova SE, Bodelier PL, Smirnova KV, Khmelenina VN, Chidthaisong A, Trotsenko YA, Liesack W, Dunfield PF. Methylocystis heyeri sp. nov., a novel type II methanotrophic bacterium possessing 'signature' fatty acids of type I methanotrophs. Int J Syst Evol Microbiol 2007; 57:472-479. Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 57, part 3 of the IJSEM. Int J Syst Evol Microbiol 2007; 57:1173-1174.
    Notes:
    • Emendation accompanied by the proposal of 1 new species in the genus.
  • Belova et al. 2013 Belova SE, Kulichevskaya IS, Bodelier PL, Dedysh SN. Methylocystis bryophila sp. nov., a facultatively methanotrophic bacterium from acidic Sphagnum peat, and emended description of the genus Methylocystis (ex Whittenbury et al. 1970) Bowman et al. 1993. Int J Syst Evol Microbiol 2013; 63:1096-1104. Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 63, part 3 of the IJSEM. Int J Syst Evol Microbiol 2013; 63:1939-1941.
    Notes:
    • Emendation accompanied by the proposal of 1 new species in the genus.
  • Kaise et al. 2023 Kaise H, Sawadogo JB, Alam MS, Ueno C, Dianou D, Shinjo R, Asakawa S. Methylocystis iwaonis sp. nov., a type II methane-oxidizing bacterium from surface soil of a rice paddy field in Japan, and emended description of the genus Methylocystis (ex Whittenbury et al. 1970) Bowman et al. 1993. Int J Syst Evol Microbiol 2023; 73:5925.
    Notes:
    • Emendation accompanied by the proposal of 1 new species in the genus.

• Notes:
  • Nomenclatural type of the family Methylocystaceae Bowman 2006. Publication: Bowman JP. Family V. Methylocystaceae 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 C (The Alpha-, Beta-, Delta-, and Epsilonproteobacteria), Springer, New York, 2005, p. 411-413.
  • This taxon name is occasionally misprinted in some sources as: "Melhylocyslis"; "Methylcystis"; "Methylocyetie"; "Methylocys"; "Methylocysfis"; "Methylocysiis"; "Methylocyslis"; "Methylocystus"; "Methylocytis".
  • Taxonomists who have recently focused on this group are the corresponding authors of Belova et al. (2013). 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 BRCs most frequently used for deposits in this group are: VKM: 7; DSM: 4; ATCC: 4; NCIMB: 2; KCTC: 2; NBRC: 1; JCM: 1.
  • Pittman et al. (1991) suggested the abbreviation "MLCS" 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.
  • The names of the original authors and the year of publication are Whittenbury, Phillips and Wilkinson 1970 (J. Gen. Microbiol., 1970, 61, 205-218) not Romanovskaya, Malashenko and Bogachenko 1978 (Mikrobiologiya, 1978, 47, 96-103) as cited in the paper by Bowman et al. 1993. Publication: Euzeby JP. List of Bacterial Names with Standing in Nomenclature: a folder available on the Internet. Int J Syst Bacteriol 1997; 47:590-592.

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
    Methylocystis bryophila Belova et al. 2013	validly published under the ICNP	correct name
    "Methylocystis echinoides" Gal'chenko et al. 1977	not validly published	synonym (and no standing)
    Methylocystis echinoides (ex Gal'chenko et al. 1977) Bowman et al. 1993	validly published under the ICNP	correct name
    Methylocystis heyeri Dedysh et al. 2007	validly published under the ICNP	correct name
    Methylocystis hirsuta Lindner et al. 2007	validly published under the ICNP	correct name
    Methylocystis iwaonis Kaise et al. 2023	validly published under the ICNP	correct name
    "Methylocystis methanolicus" Gal'chenko et al. 1977	not validly published	preferred name (not correct name)
    Methylocystis parva corrig. (ex Whittenbury et al. 1970) Bowman et al. 1993	validly published under the ICNP	correct name
    Methylocystis parvus (ex Whittenbury et al. 1970) Bowman et al. 1993	inaccurate spelling	misspelling
    Methylocystis rosea Wartiainen et al. 2006	validly published under the ICNP	correct name
    Methylocystis silviterrae Tikhonova et al. 2021	validly published under the ICNP	correct name

Parent taxon: Methylocystaceae Bowman 2006

Assigned by: Bowman JP. Family V. Methylocystaceae fam. nov. In: Brenner DJ, Krieg NR, Staley JT, Garrity GM (eds), Bergey's Manual of Systematic Bacteriology, second edition, vol. 2 (The Proteobacteria) part C (The Alpha-, Beta-, Delta-, and Epsilonproteobacteria), Springer, New York, 2005, p. 411-413.

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Record number: 516064