Name: Stappia aggregata (ex Ahrens 1968) Uchino et al. 1999

Category: Species

Proposed as: sp. nov., nom. rev.

Etymology: ag.gre.ga’ta. L. fem. part. adj. aggregata, joined together

Gender: feminine

Type strain: ATCC 25650; B 1; DSM 13394; IAM 12614; IFO 16684; JCM 20685; LMG 122; NBRC 16684; NCIMB 2208; NCMB 2208

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AB681109 Analyse FASTA

Effective publication: Uchino Y, Hirata A, Yokota A, Sugiyama J. Reclassification of marine Agrobacterium species: Proposals of Stappia stellulata gen. nov., comb. nov., Stappia aggregata sp. nov., nom. rev., Ruegeria atlantica gen. nov., comb. nov., Ruegeria gelatinovora comb. nov., Ruegeria algicola comb. nov., and Ahrensia kieliense gen. nov., sp. nov., nom. rev. J Gen Appl Microbiol 1998; 44:201-210.

IJSEM list: Anonymous. Validation list no. 68. Validation of publication of new names and new combinations previously effectively published outside the IJSB. Int J Syst Bacteriol 1999; 49:1-3.

Nomenclatural status: validly published under the ICNP

Taxonomic status: synonym

Correct name: Roseibium aggregatum (Uchino et al. 1999 ex Ahrens 1968) Hördt et al. 2020

Risk group: 1

• Synonyms:

  • Name	Kind
    Roseibium aggregatum (Uchino et al. 1999 ex Ahrens 1968) Hördt et al. 2020	homotypic synonym, validly published under the ICNP
    Labrenzia aggregata (Uchino et al. 1999 ex Ahrens 1968) Biebl et al. 2007	homotypic synonym, validly published under the ICNP

• Notes:
  • ❗ Stappia aggregata 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 Stappia.
  • 😷 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 11 times in PubMed until 2024-03-27.
  • 🧍 = "Agrobacterium stellulatum". Publication: Ruger HJ, Hofle MG. Marine star-shaped-aggregate-forming bacteria: Agrobacterium atlanticum sp. nov.; Agrobacterium meteori sp. nov.; Agrobacterium ferrugineum sp. nov., nom. rev.; Agrobacterium gelatinovorum sp. nov., nom. rev.; and Agrobacterium stellulatum sp. nov., nom. rev. Int J Syst Bacteriol 1992; 42:133-143.
  • 🧍 The strain IAM 12614 = ATCC 25650 = B1 = NCIMB 2208 was formerly labeled as "Agrobacterium aggregatum" [1], but it was regarded as a synonym of Agrobacterium stellulatum by Rüger and Höfle 1992 [2]. Publication: Uchino Y, Hirata A, Yokota A, Sugiyama J. Reclassification of marine Agrobacterium species: Proposals of Stappia stellulata gen. nov., comb. nov., Stappia aggregata sp. nov., nom. rev., Ruegeria atlantica gen. nov., comb. nov., Ruegeria gelatinovora comb. nov., Ruegeria algicola comb. nov., and Ahrensia kieliense gen. nov., sp. nov., nom. rev. J Gen Appl Microbiol 1998; 44:201-210.

Parent taxon: Stappia Uchino et al. 1999

Assigned by: Uchino Y, Hirata A, Yokota A, Sugiyama J. Reclassification of marine Agrobacterium species: Proposals of Stappia stellulata gen. nov., comb. nov., Stappia aggregata sp. nov., nom. rev., Ruegeria atlantica gen. nov., comb. nov., Ruegeria gelatinovora comb. nov., Ruegeria algicola comb. nov., and Ahrensia kieliense gen. nov., sp. nov., nom. rev. J Gen Appl Microbiol 1998; 44:201-210.

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Record number: 786289