Name: Novosphingopyxis Feng et al. 2020

Category: Genus

Proposed as: gen. nov.

Etymology: No.vo.sphin.go.py’xis. L. masc. adj. novus, new; N.L. fem. n. Sphingopyxis, a bacterial genus; N.L. fem. n. Novosphingopyxis, a new Sphingopyxis

Gender, pronunciation (Latin): feminine (stem: Novosphingopyxid-), no-wo-sp^hin-go-PY-xis

Type species: Novosphingopyxis baekryungensis (Yoon et al. 2005) Feng et al. 2020

Conduct genome-based taxonomy of genus at TYGS

16S rRNA gene: Analyse FASTA

Valid publication: Feng GD, Zhang XJ, Yang SZ, Li AZ, Yao Q, Zhu H. Transfer of Sphingorhabdus marina, Sphingorhabdus litoris, Sphingorhabdus flavimaris and Sphingorhabdus pacifica corrig. into the novel genus Parasphingorhabdus gen. nov. and Sphingopyxis baekryungensis into the novel genus Novosphingopyxis gen. nov. within the family Sphingomonadaceae. Int J Syst Evol Microbiol 2020; 70:2147-2154. 🇨🇳

IJSEM list: Oren A, Garrity GM. Notification list. Notification that new names and new combinations have appeared in volume 70, part 3 of the IJSEM. Int J Syst Evol Microbiol 2020; 70:3583-3587.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

• Synonyms:

  • Name	Kind
    Elkelangia Hördt et al. 2020	homotypic synonym, validly published under the ICNP, illegitimate name

• Emendations:
  • Zhou et al. 2021 Zhou HZ, Zhang J, Sun QL. Description of Novosphingopyxis iocasae sp. nov., isolated from deep sea sediment from the Mariana Trench, and emended description of the genus Novosphingopyxis. Int J Syst Evol Microbiol 2021; 71:4910. 🇨🇳 Oren A, Garrity GM. Notification list. Notification that new names and new combinations have appeared in volume 71, part 7 of the IJSEM. Int J Syst Evol Microbiol 2021; 71:5006.
    Notes:
    • ⊕ Emendation accompanied by the proposal of 1 new species in the genus.

• Notes:
  • 🧕 Wang et al. (2025) assigned this genus to the family Sphingorhabdaceae Wang et al. 2025. Publication: Wang Y, You H, Kong YH, Sun C, Wu LH, Kim SG, Lee JS, Xu L, Xu XW. Genomic-based taxonomic classification of the order Sphingomonadales. Int J Syst Evol Microbiol 2025; 75:6769. 🇨🇳
  • 🚋 The type species of this genus has alternatively been placed in the genus Elkelangia Hördt et al. 2020. 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. 🇩🇪
  • 🚋 The type species of this genus has alternatively been placed in the genus Sphingopyxis Takeuchi et al. 2001. Publication: Yoon JH, Lee CH, Yeo SH, Oh TK. Sphingopyxis baekryungensis sp. nov., an orange-pigmented bacterium isolated from sea water of the Yellow Sea in Korea. Int J Syst Evol Microbiol 2005; 55:1223-1227. 🇰🇷
  • 🧬 The phylogenomic assignment score of this taxon is -0.01188 (N = 4).
  • 🎰 The BRCs most frequently used for deposits in this group are: CCTCC: 1; KCTC: 1; DSM: 1; JCM: 1.

Subdivision:

Number of child taxa with a validly published and correct name: 2
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
    Novosphingopyxis baekryungensis (Yoon et al. 2005) Feng et al. 2020	validly published under the ICNP	correct name
    Novosphingopyxis iocasae Zhou et al. 2021	validly published under the ICNP	correct name

Parent taxon: Sphingomonadaceae Kosako et al. 2000

Assigned by: Feng GD, Zhang XJ, Yang SZ, Li AZ, Yao Q, Zhu H. Transfer of Sphingorhabdus marina, Sphingorhabdus litoris, Sphingorhabdus flavimaris and Sphingorhabdus pacifica corrig. into the novel genus Parasphingorhabdus gen. nov. and Sphingopyxis baekryungensis into the novel genus Novosphingopyxis gen. nov. within the family Sphingomonadaceae. Int J Syst Evol Microbiol 2020; 70:2147-2154. 🇨🇳

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Record number: 4963