Name: Sphingobium lucknowense Garg et al. 2012

Category: Species

Proposed as: sp. nov.

Etymology: luck.no.wen’se. N.L. neut. adj. lucknowense, of or belonging to Lucknow

Pronunciation (Latin), gender: sp^hin-GO-bi-um lukk-no-WEN-se, neuter

Type strain: CCM 7544; F2; MTCC 9456

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: EF534725 Analyse FASTA

Valid publication: Garg N, Bala K, Lal R. Sphingobium lucknowense sp. nov., a hexachlorocyclohexane (HCH)-degrading bacterium isolated from HCH-contaminated soil. Int J Syst Evol Microbiol 2012; 62:618-623. 🇮🇳

IJSEM list: Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 62, part 3 of the IJSEM. Int J Syst Evol Microbiol 2012; 62:1221-1222.

Nomenclatural status: validly published under the ICNP

Taxonomic status: synonym (and not recommended for medical use)

Correct name: Sphingobium indicum Pal et al. 2005

Risk group: 1

• Synonyms:

  • Name	Kind
    Sphingobium japonicum Pal et al. 2005	heterotypic synonym, validly published under the ICNP
    Sphingobium francense Pal et al. 2005	heterotypic synonym, validly published under the ICNP
    Sphingobium indicum Pal et al. 2005	heterotypic synonym, validly published under the ICNP
    Sphingobium chinhatense Dadhwal et al. 2009	heterotypic synonym, validly published under the ICNP

• 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. (2019), this species is a later heterotypic synonym of Sphingobium indicum Pal et al. 2005. Publication: Feng GD, Chen MB, Zhang XJ, Wang DD, Zhu HH. Whole genome sequences reveal the presence of 11 heterotypic synonyms in the genus Sphingobium and emended descriptions of Sphingobium indicum, Sphingobium fuliginis, Sphingobium xenophagum and Sphingobium cupriresistens. Int J Syst Evol Microbiol 2019; 69:2161-2165. 🇨🇳
  • 🏢 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 69, part 7 of the IJSEM. Int J Syst Evol Microbiol 2019; 69:2963-2965.
  • ❗ Sphingobium lucknowense is the correct name instead if this species is regarded as a separate species (i.e., if its nomenclatural type is not assigned to another species whose name is validly published, legitimate and not rejected and has priority) within a separate genus Sphingobium.
  • 😷 The risk group for Germany has been imported on 2026-08-13. 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 2 times in PubMed until 2026-06-11.
  • 🙅 This name is on the List of Recommended Names for bacteria of medical importance (LoRN) as a synonym of the name to be applied to this species. The name is on LoRN because of the recorded risk group of other species in the genus.

Parent taxon: Sphingobium Takeuchi et al. 2001

Assigned by: Garg N, Bala K, Lal R. Sphingobium lucknowense sp. nov., a hexachlorocyclohexane (HCH)-degrading bacterium isolated from HCH-contaminated soil. Int J Syst Evol Microbiol 2012; 62:618-623. 🇮🇳

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Record number: 789754