Name: Sphingobacterium antarcticum corrig. Shivaji et al. 1992

Category: Species

Proposed as: sp. nov.

Etymology: ant.arc’ti.cum. L. neut. adj. antarcticum, southern, pertaining to the Antarctic

Pronunciation, gender: … ant-ARK-ti-kum, neuter

Type strain: 4BY; ATCC 51969; MTCC 675

Conduct genome-based taxonomy at

16S rRNA gene: HM448033 Analyse FASTA

Valid publication: Shivaji S, Ray MK, Rao NS, Saisree L, Jagannadham MV, Kumar GS, Reddy GSN, Bhargava PM. Sphingobacterium antarcticus sp. nov., a psychrotrophic bacterium from the soils of Schirmacher Oasis, Antarctica. Int. J. Syst. Bacteriol. 1992; 42:102-106. 🇮🇳

IJSEM list: Anonymous. Notification list. Notification that new names and new combinations have appeared in volume 42, part 1 of the IJSB. Int J Syst Bacteriol 1992; 42:328-329.

Nomenclatural status: validly published under the ICNP

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

Correct name: Pedobacter antarcticus (Shivaji et al. 1992) Farfán et al. 2014

Risk group: 1

• Synonyms:

  • Name	Kind
    Pedobacter antarcticus (Shivaji et al. 1992) Farfán et al. 2014	homotypic synonym, validly published under the ICNP
    Sphingobacterium antarcticus Shivaji et al. 1992	other spelling of name, inaccurate spelling
    Sphingobacterium piscium Takeuchi and Yokota 1993	heterotypic synonym, validly published under the ICNP
    Pedobacter piscium (Takeuchi and Yokota 1993) Steyn et al. 1998	heterotypic synonym, validly published under the ICNP

• Notes:
  • ⏰ According to Farfan et al. (2014), this species is an earlier heterotypic synonym of Pedobacter piscium (Takeuchi and Yokota 1993) Steyn et al. 1998. Publication: Farfan M, Montes MJ, Marques AM. Reclassification of Sphingobacterium antarcticum Shivaji et al. 1992 as Pedobacter antarcticus comb. nov. and Pedobacter piscium (Takeuchi and Yokota 1993) Steyn et al. 1998 as a later heterotypic synonym of Pedobacter antarcticus. Int J Syst Evol Microbiol 2014; 64:863-868. 🇪🇸
  • ⏰ According to Farfan et al. (2014), this species is an earlier heterotypic synonym of Sphingobacterium piscium Takeuchi and Yokota 1993. Publication: Farfan M, Montes MJ, Marques AM. Reclassification of Sphingobacterium antarcticum Shivaji et al. 1992 as Pedobacter antarcticus comb. nov. and Pedobacter piscium (Takeuchi and Yokota 1993) Steyn et al. 1998 as a later heterotypic synonym of Pedobacter antarcticus. Int J Syst Evol Microbiol 2014; 64:863-868. 🇪🇸
  • ❗ Sphingobacterium antarcticum 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 Sphingobacterium.
  • 😷 The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 1, note = "Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No". — The risk group for Swiss Confederation has been imported on 2024-02-01. The full classification is: risk group = 1. — 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.
  • 🙅 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 the genus.
  • 🧍 Listed as antarcticus in the notification list. Publication: Anonymous. Notification list. Notification that new names and new combinations have appeared in volume 42, part 1 of the IJSB. Int J Syst Bacteriol 1992; 42:328-329.
  • 🧍 The original spelling of the specific epithet, antarcticus (sic), has been corrected by Euzéby 1998. Publication: Euzéby JP. Taxonomic note: necessary correction of specific and subspecific epithets according to Rules 12c and 13b of the International Code of Nomenclature of Bacteria (1990 Revision). Int. J. Syst. Bacteriol. 1998; 48:1073-1075. 🇫🇷
  • 🧍 Yarza et al. (2013) expected for accession HM448033, originating from the alleged type-strain deposit ATCC 51969, an affiliation with Sphingobacterium (Sphingobacteriaceae) but observed an affiliation with Pedobacter (Sphingobacteriaceae) and 99.9% similarity against Pedobacter piscium. Publication: Yarza P, Sproer C, Swiderski J, Mrotzek N, Spring S, Tindall BJ, Gronow S, Pukall R, Klenk HP, Lang E, et al. Sequencing orphan species initiative (SOS): Filling the gaps in the 16S rRNA gene sequence database for all species with validly published names. Syst Appl Microbiol 2013; 36:69-73. 🇩🇪
  • 🧍 Nom. corrig.: IJSB 48:1073; Sphingobacterium antarcticus (sic). Publication: Euzéby JP. Taxonomic note: necessary correction of specific and subspecific epithets according to Rules 12c and 13b of the International Code of Nomenclature of Bacteria (1990 Revision). Int. J. Syst. Bacteriol. 1998; 48:1073-1075. 🇫🇷

Parent taxon: Sphingobacterium Yabuuchi et al. 1983

Assigned by: Shivaji S, Ray MK, Rao NS, Saisree L, Jagannadham MV, Kumar GS, Reddy GSN, Bhargava PM. Sphingobacterium antarcticus sp. nov., a psychrotrophic bacterium from the soils of Schirmacher Oasis, Antarctica. Int. J. Syst. Bacteriol. 1992; 42:102-106. 🇮🇳

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Record number: 780974