Name: Caenibius Hördt et al. 2020

Category: Genus

Proposed as: gen. nov.

Etymology: Cae.ni’bi.us. L. neut. n. caenum, mud, referring to the isolation of the type strain from activated sludge; Gr. masc. n. bios, life; N.L. masc. n. Caenibius, sludge life

Gender: masculine (stem: Caenibi-)

Type species: Caenibius tardaugens (Fujii et al. 2003) Hördt et al. 2020

Conduct genome-based taxonomy of genus at TYGS

16S rRNA gene: Analyse FASTA

Effective publication: 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.

IJSEM list: Oren A, Garrity GM. Validation list no. 194. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2020; 70:4043-4049.

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 Novosphingobium Takeuchi et al. 2001. Publication: Fujii K, Satomi M, Morita N, Motomura T, Tanaka T, Kikuchi S. Novosphingobium tardaugens sp. nov., an oestradiol-degrading bacterium isolated from activated sludge of a sewage treatment plant in Tokyo. Int J Syst Evol Microbiol 2003; 53:47-52.
  • 🧬 The phylogenomic assignment score of this taxon is 0.04749 (N = 3).
  • 🎰 The BRCs most frequently used for deposits in this group are: JCM: 1; ATCC: 1; IFO: 1; DSM: 1; NBRC: 1.
  • 🧍 Hördt et al. (2020) gave an assignment of Caenibius to Hyphomicrobiaceae in their emendation of that family. However, in the description of their results an assignment to Erythrobacteraceae was proposed, in line with the presented phylogenetic analyses. — Chuvochina M. Personal communication, 2023-05-08.

Subdivision:

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

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    Caenibius tardaugens (Fujii et al. 2003) Hördt et al. 2020	validly published under the ICNP	correct name

Parent taxon: Erythrobacteraceae Lee et al. 2005

Assigned by: 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.

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Record number: 11043