Etymology:N.L. neut. n.sphingosinum, sphingosine; from Gr. fem. n.sphinx (gen. sphingos), of sphinx; from Chem. fem. suff.-ine; N.L. pref.sphingo-, pertaining to sphingosine; Gr. fem. n.pyxis (gen. pyxidos), box, case, container; N.L. fem. n.Sphingopyxis, intended to mean box of sphingolipid-containing life
Valid publication:
Takeuchi M, Hamana K, Hiraishi A. Proposal of the genus Sphingomonas sensu stricto and three new genera, Sphingobium, Novosphingobium and Sphingopyxis, on the basis of phylogenetic and chemotaxonomic analyses. Int J Syst Evol Microbiol 2001; 51:1405-1417.
IJSEM list:
Anonymous. Notification list. Notification that new names and new combinations have appeared in volume 51, part 4 of the IJSEM. Int J Syst Evol Microbiol 2001; 51:1621-1623.
Nomenclatural status:
validly published under the ICNP
Taxonomic status:
correct name
Emendations:
Baik et al. 2013
Baik KS, Choe HN, Park SC, Hwang YM, Kim EM, Park C, Seong CN. Sphingopyxis rigui sp. nov. and Sphingopyxis wooponensis sp. nov., isolated from wetland freshwater, and emended description of the genus Sphingopyxis. Int J Syst Evol Microbiol 2013; 63:1297-1303.
Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 63, part 4 of the IJSEM. Int J Syst Evol Microbiol 2013; 63:2368-2370. Notes:
Emendation accompanied by the proposal of 2 new species in the genus.
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 removal of 1 species from the genus.
Notes:
The type species of this genus has alternatively been placed in the genus Sphingomonas Yabuuchi et al. 1990.Publication:
Takeuchi M, Kawai F, Shimada Y, Yokota A. Taxonomic study of polyethylene glycol-utilizing bacteria: emended description of the genus Sphingomonas and new descriptions of Sphingomonas macrogoltabidus sp. nov., Sphingomonas sanguis sp. nov., and Sphingomonas terrae sp. nov. Syst. Appl. Microbiol. 1993; 16:227-238.
This taxon name is occasionally misprinted in some sources as: "Ingopyxis"; "Phingopyxis"; "Sphingopixis"; "Spingopyxis".
The BRCs most frequently used for deposits in this group are: DSM: 25; KCTC: 15; JCM: 12; LMG: 8; CIP: 5; NBRC: 5; IFO: 3; CCM: 2; MCC: 2; ATCC: 2.
See also Sharma et al. (2021).Publication:
Sharma M, Khurana H, Singh DN, Negi RK. The genus Sphingopyxis: Systematics, ecology, and bioremediation potential - A review. J Environ Manage 2021; 280:111744.
On the basis of phylogenetic analysis of 16S rDNA sequences and polyamine profiles, Takeuchi et al. 2001 [1] proposed that the genus Sphingomonas be classified into four genera Sphingomonas Yabuuchi et al. 1990 emend. Takeuchi et al. 2001, Novosphingobium Takeuchi et al. 2001, Sphingobium Takeuchi et al. 2001 and Sphingopyxis Takeuchi et al. 2001.Publication:
Takeuchi M, Hamana K, Hiraishi A. Proposal of the genus Sphingomonas sensu stricto and three new genera, Sphingobium, Novosphingobium and Sphingopyxis, on the basis of phylogenetic and chemotaxonomic analyses. Int J Syst Evol Microbiol 2001; 51:1405-1417.
Yabuuchi et al. 2002 [2] found that there is no phenotypic and phylogenetic evidence to support a proposal to split the species into four genera. These authors concluded that the genus Sphingomonas should remain undivided at this time and that the species of genera Novosphingobium, Sphingobium and Sphingopyxis, in conjunction with Blastomonas ursincola (Yurkov et al. 1997) Hiraishi et al. 2000, should be treated as species of the genus Sphingomonas.Publication:
Yabuuchi E, Kosako Y, Fujiwara N, Naka T, Matsunaga I, Ogura H, Kobayashi K. Emendation of the genus Sphingomonas Yabuuchi et al. 1990 and junior objective synonymy of the species of three genera, Sphingobium, Novosphingobium and Sphingopyxis, in conjunction with Blastomonas ursincola. Int J Syst Evol Microbiol 2002; 52:1485-1496.
Subdivision:
Number of child taxa with a validly published and correct name: 20 Number of child taxa with a validly published name, including synonyms: 27 Total number of child taxa: 31
Assigned by:
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.
Linking:
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