Name: Deltaproteobacteria Kuever et al. 2006

Category: Class

Proposed as: class. nov.

Etymology: Gr. neut. n. delta, name of the fourth letter of Greek alphabet (indeclinable); Gr. masc. n. Prôteus, Greek god of the sea, capable of assuming many different shapes; N.L. neut. pl. n. bacteria, plural of bacterium; N.L. neut. pl. n. Deltaproteobacteria, a class of bacteria included in the phylum Proteobacteria and having 16S rRNA gene sequences related to those of the members of the order Myxococcales (not formed from a genus name)

Gender: neuter

Type order: Myxococcales Tchan et al. 1948 (Approved Lists 1980)

Effective publication: Kuever J, Rainey FA, Widdel F. Class IV. Deltaproteobacteria class. 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. 922.

IJSEM list: Euzeby JP. Validation list no. 107. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2006; 56:1-6.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

• Synonyms:

  • Name	Kind
    "Myxococcia" Cavalier-Smith 2020	homotypic synonym, not validly published
    Polyangiia corrig. Waite et al. 2020	heterotypic synonym, validly published under the ICNP
    "Candidatus Desulfofervidia" Waite et al. 2020	heterotypic synonym, not validly published
    Deltabacteria Cavalier-Smith 2002	homotypic synonym, validly published under the ICNP, rejected name
    Syntrophorhabdia Waite et al. 2020	heterotypic synonym, validly published under the ICNP
    Desulfovibrionia Waite et al. 2020	heterotypic synonym, validly published under the ICNP
    Syntrophobacteria Waite et al. 2020	heterotypic synonym, validly published under the ICNP
    Desulfobacteria Waite et al. 2020	heterotypic synonym, validly published under the ICNP
    Myxococcia Waite et al. 2020	homotypic synonym, validly published under the ICNP, illegitimate name
    Desulfarculia Waite et al. 2020	heterotypic synonym, validly published under the ICNP
    Desulfuromonadia Waite et al. 2020	heterotypic synonym, validly published under the ICNP
    Desulfurellia Waite et al. 2020	heterotypic synonym, validly published under the ICNP
    Deferrisomatia Waite et al. 2020	heterotypic synonym, validly published under the ICNP
    Dissulfuribacteria Waite et al. 2020	heterotypic synonym, validly published under the ICNP
    Polyangia Waite et al. 2020	heterotypic synonym, inaccurate spelling

• Emendations:
  • Hahn et al. 2017 Hahn MW, Schmidt J, Koll U, Rohde M, Verbarg S, Pitt A, Nakai R, Naganuma T, Lang E. Silvanigrella aquatica gen. nov., sp. nov., isolated from a freshwater lake, description of Silvanigrellaceae fam. nov. and Silvanigrellales ord. nov., reclassification of the order Bdellovibrionales in the class Oligoflexia, reclassification of the families Bacteriovoracaceae and Halobacteriovoraceae in the new order Bacteriovoracales ord. nov., and reclassification of the family Pseudobacteriovoracaceae in the order Oligoflexales. Int J Syst Evol Microbiol 2017; 67:2555-2568. Oren A, Garrity GM. Notification list. Notification that new names and new combinations have appeared in volume 67, part 8 of the IJSEM. Int J Syst Evol Microbiol 2017; 67:4294-4297.
    Notes:
    • Emendation accompanied by the removal of 1 order from the class.

• Notes:
  • Brenner et al. (2005) assigned this class to the phylum "Proteobacteria" Garrity et al. 2005. Publication: Garrity GM, Bell JA, Lilburn T. Class III. Gammaproteobacteria class. nov. In: Brenner DJ, Krieg NR, Staley JT, Garrity GM (eds), Bergey's Manual of Systematic Bacteriology, 2nd edn, vol. 2 (The Proteobacteria), part B (The Gammaproteobacteria), Springer, New York, 2005, p. 1.
  • Cavalier-Smith (2006) assigned this class to the subphylum "Thiobacteria" Cavalier-Smith 1998. Publication: Cavalier-Smith T. Rooting the tree of life by transition analyses. Biol Direct 2006; 1:19.
  • Brenner et al. (2005) assigned the order Desulfarcales Kuever et al. 2006 to this class. Publication: Kuever J, Rainey FA, Widdel F. Class IV. Deltaproteobacteria class. 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. 922.
  • Brenner et al. (2005) assigned the order Desulfuromonales Kuever et al. 2006 to this class. Publication: Kuever J, Rainey FA, Widdel F. Class IV. Deltaproteobacteria class. 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. 922.
  • Descamps et al. (2017) assigned the genus "Candidatus Desulfamplus" Lefèvre et al. 2011 to this class. Publication: Descamps ECT, Monteil CL, Menguy N, Ginet N, Pignol D, Bazylinski DA, Lefevre CT. Desulfamplus magnetovallimortis gen. nov., sp. nov., a magnetotactic bacterium from a brackish desert spring able to biomineralize greigite and magnetite, that represents a novel lineage in the Desulfobacteraceae. Syst Appl Microbiol 2017; 40:280-289.
  • Ikeda-Ohtsubo et al. (2016) assigned the genus "Candidatus Adiutrix" Ikeda-Ohtsubo et al. 2016 to this class. Publication: Ikeda-Ohtsubo W, Strassert JF, Kohler T, Mikaelyan A, Gregor I, McHardy AC, Tringe SG, Hugenholtz P, Radek R, Brune A. 'Candidatus Adiutrix intracellularis', an endosymbiont of termite gut flagellates, is the first representative of a deep-branching clade of Deltaproteobacteria and a putative homoacetogen. Environ Microbiol 2016; 18:2548-2564.
  • Qiu et al. (2008) assigned the family Syntrophorhabdaceae Qiu et al. 2008 to this class. Publication: Qiu YL, Hanada S, Ohashi A, Harada H, Kamagata Y, Sekiguchi Y. Syntrophorhabdus aromaticivorans gen. nov., sp. nov., the first cultured anaerobe capable of degrading phenol to acetate in obligate syntrophic associations with a hydrogenotrophic methanogen. Appl Environ Microbiol 2008; 74:2051-2058.
  • Slobodkina et al. (2012) assigned the genus Deferrisoma Slobodkina et al. 2012 to this class. Publication: Slobodkina GB, Reysenbach AL, Panteleeva AN, Kostrikina NA, Wagner ID, Bonch-Osmolovskaya EA, Slobodkin AI. Deferrisoma camini gen. nov., sp. nov., a moderately thermophilic, dissimilatory iron(III)-reducing bacterium from a deep-sea hydrothermal vent that forms a distinct phylogenetic branch in the Deltaproteobacteria. Int J Syst Evol Microbiol 2012; 62:2463-2468.
  • Slobodkina et al. (2016) assigned the genus Dissulfurirhabdus Slobodkina et al. 2016 to this class. Publication: Slobodkina GB, Kolganova TV, Kopitsyn DS, Viryasov MB, Bonch-Osmolovskaya EA, Slobodkin AI. Dissulfurirhabdus thermomarina gen. nov., sp. nov., a thermophilic, autotrophic, sulfite-reducing and disproportionating deltaproteobacterium isolated from a shallow-sea hydrothermal vent. Int J Syst Evol Microbiol 2016; 66:2515-2519.
  • Slobodkin et al. (2013) assigned the genus Dissulfuribacter Slobodkin et al. 2013 to this class. Publication: Slobodkin AI, Reysenbach AL, Slobodkina GB, Kolganova TV, Kostrikina NA, Bonch-Osmolovskaya EA. Dissulfuribacter thermophilus gen. nov., sp. nov., a thermophilic, autotrophic, sulfur-disproportionating, deeply branching deltaproteobacterium from a deep-sea hydrothermal vent. Int J Syst Evol Microbiol 2013; 63:1967-1971.
  • Waite et al. (2020) assigned the family "Candidatus Adiutricaceae" Waite et al. 2020 to this class. Publication: Waite DW, Chuvochina M, Pelikan C, Parks DH, Yilmaz P, Wagner M, Loy A, Naganuma T, Nakai R, Whitman WB, et al. Proposal to reclassify the proteobacterial classes Deltaproteobacteria and Oligoflexia, and the phylum Thermodesulfobacteria into four phyla reflecting major functional capabilities. Int J Syst Evol Microbiol 2020; 70:5972-6016.
  • The type order of this class has alternatively been placed in the class Myxococcia Waite et al. 2020. Publication: Waite DW, Chuvochina M, Pelikan C, Parks DH, Yilmaz P, Wagner M, Loy A, Naganuma T, Nakai R, Whitman WB, et al. Proposal to reclassify the proteobacterial classes Deltaproteobacteria and Oligoflexia, and the phylum Thermodesulfobacteria into four phyla reflecting major functional capabilities. Int J Syst Evol Microbiol 2020; 70:5972-6016.
  • This taxon name is occasionally misprinted in some sources as: "Dellaproteobacteria"; "Deltafnvteobacteria"; "Deltaproteobacte"; "Deltaproteobacteriae".
  • The BRCs most frequently used for deposits in this group are: DSM: 502; JCM: 195; ATCC: 178; VKM: 56; NBRC: 54; CIP: 39; KCTC: 34; MCCC: 30; NCCB: 25; NCIMB: 24.
  • Irregularly formed name (not formed from the stem of the name of the nomenclatural type). Publication: Parker CT, Tindall BJ, Garrity GM. International Code of Nomenclature of Prokaryotes. Int J Syst Evol Microbiol 2019; 69:S1-S111.
  • This name was mentioned in a Request for an Opinion. Publication: Oren A, Parte A, Garrity GM. Implementation of Rule 8 of the International Code of Nomenclature of Prokaryotes for the renaming of classes. Request for an Opinion. Int J Syst Evol Microbiol 2016; 66:4296-4298.

Subdivision:

Number of child taxa with a validly published and correct name: 11
Number of child taxa with a validly published name, including synonyms: 11
Total number of child taxa: 17

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    "Candidatus Acidulidesulfobacterales" corrig. Tan et al. 2019	not validly published	preferred name (not correct name)
    "Candidatus Adiutricales" Waite et al. 2020	not validly published	preferred name (not correct name)
    Bradymonadales Wang et al. 2015	validly published under the ICNP	correct name
    Deferrisomatales Waite et al. 2020	validly published under the ICNP	correct name
    [Deltaproteobacteria, not assigned to order]	artificial parent node of taxa incertae sedis
    Desulfarcales Kuever et al. 2006	inaccurate spelling	misspelling
    Desulfarculales corrig. Kuever et al. 2006	validly published under the ICNP	correct name
    Desulfobacterales Kuever et al. 2006	validly published under the ICNP	correct name
    "Candidatus Desulfofervidales" Waite et al. 2020	not validly published	preferred name (not correct name)
    Desulfovibrionales Kuever et al. 2006	validly published under the ICNP	correct name
    Desulfurellales Kuever et al. 2006	validly published under the ICNP	correct name
    Desulfuromonadales corrig. Kuever et al. 2006	validly published under the ICNP	correct name
    Desulfuromonales Kuever et al. 2006	inaccurate spelling	misspelling
    Dissulfuribacterales Waite et al. 2020	validly published under the ICNP	correct name
    Myxococcales Tchan et al. 1948 (Approved Lists 1980)	validly published under the ICNP	correct name
    Syntrophobacterales Kuever et al. 2006	validly published under the ICNP	correct name
    Syntrophorhabdales Waite et al. 2020	validly published under the ICNP	correct name

Parent taxon: Pseudomonadota Garrity et al. 2021

Assigned by: Oren A, Garrity GM. Valid publication of the names of forty-two phyla of prokaryotes. Int J Syst Evol Microbiol 2021; 71:5056.

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Record number: 32