Name: Sphingopyxis ummariensis Sharma et al. 2010

Category: Species

Proposed as: sp. nov.

Etymology: um.ma.ri.en’sis. N.L. fem. adj. ummariensis, pertaining to Ummari village, the place of isolation of the type strain

Pronunciation, gender: … um-ma-ri-EN-sis, feminine

Type strain: CCM 7428; DSM 24316; MTCC 8591; UI2

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: MF618307 Analyse FASTA

Valid publication: Sharma P, Verma M, Bala K, Nigam A, Lal R. Sphingopyxis ummariensis sp. nov., isolated from a hexachlorocyclohexane dump site. Int J Syst Evol Microbiol 2010; 60:780-784. 🇮🇳

IJSEM list: Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 60, part 4 of the IJSEM. Int J Syst Evol Microbiol 2010; 60:1480-1481.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• Synonyms:

  • Name	Kind
    Sphingopyxis terrae subsp. ummariensis (Sharma et al. 2010) Feng et al. 2017	homotypic synonym, validly published under the ICNP, distinct rank

• 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:
  • ⏲ According to Feng et al. (2017), this species is not a later heterotypic synonym of Sphingomonas terrae Takeuchi et al. 1993. Publication: Feng GD, Wang DD, Yang SZ, Li HP, Zhu HH. Genome-based reclassification of Sphingopyxis ummariensis as a later heterotypic synonym of Sphingopyxis terrae, with the descriptions of Sphingopyxis terrae subsp. terrae subsp. nov. and Sphingopyxis terrae subsp. ummariensis subsp. nov. Int J Syst Evol Microbiol 2017; 67:5279-5283. 🇨🇳
  • ⏲ According to Feng et al. (2017), this species is not a later heterotypic synonym of Sphingopyxis terrae (Takeuchi et al. 1993) Takeuchi et al. 2001. Publication: Feng GD, Wang DD, Yang SZ, Li HP, Zhu HH. Genome-based reclassification of Sphingopyxis ummariensis as a later heterotypic synonym of Sphingopyxis terrae, with the descriptions of Sphingopyxis terrae subsp. terrae subsp. nov. and Sphingopyxis terrae subsp. ummariensis subsp. nov. Int J Syst Evol Microbiol 2017; 67:5279-5283. 🇨🇳
  • 🏢 Synonymy of this taxon was mentioned in an IJSEM list. Publication: Oren A, Garrity GM. Notification list. Notification that new names and new combinations have appeared in volume 67, part 12 of the IJSEM. Int J Syst Evol Microbiol 2018; 68:695-697.
  • 😷 The risk group for Germany has been imported on 2023-10-29. The full classification is: risk group = 1. — If in doubt, use the risk group given in the regulations for your country and, if these are not available, use the risk group given in the catalogue of the culture collection from which you have obtained or intend to obtain the strain.
  • 🎓 Name mentioned 3 times in PubMed until 2025-06-04.

Parent taxon: Sphingopyxis Takeuchi et al. 2001

Assigned by: Sharma P, Verma M, Bala K, Nigam A, Lal R. Sphingopyxis ummariensis sp. nov., isolated from a hexachlorocyclohexane dump site. Int J Syst Evol Microbiol 2010; 60:780-784. 🇮🇳

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Record number: 788470