Name: Rhodobacterales Garrity et al. 2006

Category: Order

Proposed as: ord. nov.

Etymology: N.L. masc. n. Rhodobacter, type genus of the order; L. fem. pl. suff. -ales, ending to denote an order; N.L. fem. pl. n. Rhodobacterales, the Rhodobacter order

Gender: feminine

Type genus: Rhodobacter Imhoff et al. 1984

Effective publication: Garrity GM, Bell JA, Lilburn T. Order III. Rhodobacterales ord. 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. 161.

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

• Emendations:
  • Hördt et al. 2020 Hordt A, Lopez MG, Meier-Kolthoff JP, Schleuning M, Weinhold LM, Tindall BJ, Gronow S, Kyrpides NC, Woyke T, Goker M. Analysis of 1,000+ Type-Strain Genomes Substantially Improves Taxonomic Classification of Alphaproteobacteria. Front Microbiol 2020; 11:468. 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.
    Notes:
    • Emendation accompanied by the inclusion of 1 family in the order.

• Notes:
  • Ferla et al. (2013) assigned this order to the subclass "Caulobacteridae" Ferla et al. 2013. Publication: Ferla MP, Thrash JC, Giovannoni SJ, Patrick WM. New rRNA gene-based phylogenies of the Alphaproteobacteria provide perspective on major groups, mitochondrial ancestry and phylogenetic instability. PLoS One 2013; 8:e83383.
  • Nuyanzina-Boldareva and Gorlenko (2014) assigned the genus "Natronohydrobacter" Humayoun et al. 2003 to this order. Publication: Nuianzina-Boldareva EN, Gorlenko VM. [Roseibacula alcaliphilum gen. nov. sp. nov., a new alkaliphilic aerobic anoxygenic phototrophic bacterium from a meromictic soda Lake Doroninskoe (East Siberia, Russia)]. Mikrobiologiia 2014; 83:456-466.
  • This taxon name is occasionally misprinted in some sources as: "Rhodobacleriales"; "Rhodobactcriales"; "Rodobacterales".
  • This taxon was discussed in a meeting of a Taxonomic Subcommittee of the ICSP. Publication: Madigan MT, Imhoff JF. International Committee on Systematics of Prokaryotes; Subcommittee on the taxonomy of phototrophic bacteria. International Journal of Systematic and Evolutionary Microbiology 2007; 57:1169-1171.
  • This taxon was discussed in a meeting of a Taxonomic Subcommittee of the ICSP. Publication: Madigan MT, Imhoff JF. International Committee on Systematics of Prokaryotes: Subcommittee on the taxonomy of phototrophic bacteria. International Journal of Systematic and Evolutionary Microbiology 2007; 57:1169-1171.
  • The phylogenomic assignment score of this taxon is 0.05969 (N = 7).

Subdivision:

Number of child taxa with a validly published and correct name: 1
Number of child taxa with a validly published name, including synonyms: 2
Total number of child taxa: 2

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    Neomegalonemataceae Hördt et al. 2020	validly published under the ICNP	correct name
    Rhodobacteraceae Garrity et al. 2006	validly published under the ICNP, illegitimate name	in need of a replacement

Parent taxon: Alphaproteobacteria Garrity et al. 2006

Assigned by: Garrity GM, Bell JA, Lilburn T. Class I. Alphaproteobacteria 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. 1.

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Record number: 5095