Name: Thalassobius gelatinovorus (Rüger and Höfle 1992 ex Ahrens 1968) Arahal et al. 2006

Category: Species

Proposed as: comb. nov.

Basonym: Agrobacterium gelatinovorum (ex Ahrens 1968) Rüger and Höfle 1992

Etymology: ge.la.ti.no’vo.rus. N.L. neut. n. gelatinum, gelatin; N.L. masc. adj. suff. -vorus, devouring, destroying; N.L. masc. adj. gelatinovorus, gelatin-devouring

Pronunciation, gender: ge-la-ti-NO-wo-rus, masculine

Type strain: ATCC 25655; CECT 4357; CIP 105976; DSM 5887; IAM 12617; IFO 15761; JCM 20688; LMG 129; NBRC 15761

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AB289591 Analyse FASTA

Valid publication: Arahal DR, Macian MC, Garay E, Pujalte MJ. Thalassobius mediterraneus gen. nov., sp. nov., and reclassification of Ruegeria gelatinovorans as Thalassobius gelatinovorus comb. nov. Int J Syst Evol Microbiol 2005; 55:2371-2376.

IJSEM list: Euzeby JP. Validation list no. 107. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2006; 56:1-6.

Nomenclatural status: validly published under the ICNP, illegitimate name

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

Correct name: Ruegeria gelatinovorans corrig. (Rüger and Höfle 1992 ex Ahrens 1968) Uchino et al. 1999

Risk group: 1

• Synonyms:

  • Name	Kind
    Thalassovita gelatinovora (Rüger and Höfle 1992 ex Ahrens 1968) Deshmukh and Oren 2023	homotypic synonym, validly published under the ICNP, illegitimate name
    Agrobacterium gelatinovorum (ex Ahrens 1968) Rüger and Höfle 1992	homotypic synonym, validly published under the ICNP
    Ruegeria gelatinovora (Rüger and Höfle 1992 ex Ahrens 1968) Uchino et al. 1999	homotypic synonym, inaccurate spelling
    Ruegeria gelatinovorans corrig. (Rüger and Höfle 1992 ex Ahrens 1968) Uchino et al. 1999	homotypic synonym, validly published under the ICNP

• Notes:
  • 😩 Deposit incorrectly indicated in some sources as representing the type strain of this taxon: B 6.
  • 😷 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. — 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 7 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 other species in the genus.
  • 🧍 The culture collection accession numbers ATCC 25655, CIP 105976, DSM 5887, IAM 12617, LMG 129, and NBRC 15761 have been provided on request for validation. Publication: Euzeby JP. List of Bacterial Names with Standing in Nomenclature: a folder available on the Internet. Int J Syst Bacteriol 1997; 47:590-592.
  • 🧍 The genome of the type strain was sequenced as part of the GEBA (Genomic Encyclopedia of Bacteria and Archaea) project. Publication: 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.
  • 🧍 Thalassobius gelatinovorus (Rüger and Höfle 1992) Arahal et al. 2005 appears in the November 2005 issue of the IJSEM. However, this name was not validly published [see Rule 27(3)]. In order to validly publish this new combination, Thalassobius gelatinovorus (Rüger and Höfle 1992) Arahal et al. 2006 was cited on Validation List 107. — In the effective publication, the basonym is erroneously cited as Ruegeria gelatinovorans (Rüger and Höfle 1992) Uchino et al. 1999. Publication: Euzeby JP. Validation list no. 107. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2006; 56:1-6.

Parent taxon: Thalassobius Arahal et al. 2005

Assigned by: Arahal DR, Macian MC, Garay E, Pujalte MJ. Thalassobius mediterraneus gen. nov., sp. nov., and reclassification of Ruegeria gelatinovorans as Thalassobius gelatinovorus comb. nov. Int J Syst Evol Microbiol 2005; 55:2371-2376.

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Record number: 782446