Name: Sinorhizobium kostiense Nick et al. 1999

Category: Species

Proposed as: sp. nov.

Etymology: kos.ti.en’se. N.L. neut. adj. kostiense, pertaining to Kosti, the region in Sudan where most of these organisms have been isolated

Gender: neuter

Type strain: ATCC BAA-227; DSM 13372; HAMBI 1489; LMG 15613; LMG 19227; NBRC 100382; TTR 15

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: Z78203 Analyse FASTA

Valid publication: Nick G, de Lajudie P, Eardly BD, Suomalainen S, Paulin L, Zhang X, Gillis M, Lindstrom K. Sinorhizobium arboris sp. nov. and Sinorhizobium kostiense sp. nov., isolated from leguminous trees in Sudan and Kenya. Int J Syst Bacteriol 1999; 49:1359-1368.

IJSEM list: Anonymous. Notification list. Notification that new names and new combinations have appeared in volume 49, part 4 of the IJSB. Int J Syst Bacteriol 2000; 50:5-7.

Nomenclatural status: validly published under the ICNP

Taxonomic status: synonym

Correct name: Ensifer kostiensis (Nick et al. 1999) Young 2003

Risk group: 1

• Synonyms:

  • Name	Kind
    Ensifer kostiensis (Nick et al. 1999) Young 2003	homotypic synonym, validly published under the ICNP

• Notes:
  • ❗ Sinorhizobium kostiense 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 Sinorhizobium.
  • 😷 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 Germany has been imported on 2023-10-29. The full classification is: risk group = 1.
  • 🎓 Name mentioned 4 times in PubMed until 2024-03-27.

Parent taxon: Sinorhizobium Chen et al. 1988

Assigned by: Nick G, de Lajudie P, Eardly BD, Suomalainen S, Paulin L, Zhang X, Gillis M, Lindstrom K. Sinorhizobium arboris sp. nov. and Sinorhizobium kostiense sp. nov., isolated from leguminous trees in Sudan and Kenya. Int J Syst Bacteriol 1999; 49:1359-1368.

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Record number: 780938