Species Ruegeria pelagia

Name: Ruegeria pelagia Lee et al. 2007

Category, proposed as: species, sp. nov.

Etymology: pe.la’gi.a. L. fem. adj. pelagia, of the sea

Pronunciation (Latin), gender: ru͡e-GE-ri-a pe-LA-gi-a, feminine

Type strain: HTCC2662; KCCM 42378; NBRC 102038

Conduct genome-based taxonomy at

16S rRNA gene: EU977138 Analyse FASTA

Valid publication: Lee K, Choo YJ, Giovannoni SJ, Cho JC. Ruegeria pelagia sp. nov., isolated from the Sargasso Sea, Atlantic Ocean. Int J Syst Evol Microbiol 2007; 57:1815-1818. 🇰🇷

IJSEM list: Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 57, part 8 of the IJSEM. Int J Syst Evol Microbiol 2007; 57:2451-2452.

Nomenclatural status: validly published under the ICNP

Taxonomic status: synonym

Correct name: Tritonibacter mobilis (Muramatsu et al. 2007) Hördt et al. 2020

Risk group: 1

• Synonyms:

  • Name	Kind
    Epibacterium mobile (Muramatsu et al. 2007) Wirth and Whitman 2018	heterotypic synonym, validly published under the ICNP
    Tritonibacter mobilis subsp. pelagius (Lee et al. 2007) Hördt et al. 2020	homotypic synonym, validly published under the ICNP, distinct rank
    Ruegeria mobilis Muramatsu et al. 2007	heterotypic synonym, validly published under the ICNP
    Tritonibacter mobilis (Muramatsu et al. 2007) Hördt et al. 2020	heterotypic synonym, validly published under the ICNP

• Notes:
  • ⏲ According to Lai et al. (2010), this species is a later heterotypic synonym of Epibacterium mobile (Muramatsu et al. 2007) Wirth and Whitman 2018. Publication: Lai Q, Yuan J, Li F, Zheng T, Shao Z. Ruegeria pelagia is a later heterotypic synonym of Ruegeria mobilis. Int J Syst Evol Microbiol 2010; 60:1918-1920. 🇨🇳
  • ⏲ According to Lai et al. (2010), this species is a later heterotypic synonym of Tritonibacter mobilis (Muramatsu et al. 2007) Hördt et al. 2020. Publication: Lai Q, Yuan J, Li F, Zheng T, Shao Z. Ruegeria pelagia is a later heterotypic synonym of Ruegeria mobilis. Int J Syst Evol Microbiol 2010; 60:1918-1920. 🇨🇳
  • ⏲ According to Lai et al. (2010), this species is a later heterotypic synonym of Ruegeria mobilis Muramatsu et al. 2007. Publication: Lai Q, Yuan J, Li F, Zheng T, Shao Z. Ruegeria pelagia is a later heterotypic synonym of Ruegeria mobilis. Int J Syst Evol Microbiol 2010; 60:1918-1920. 🇨🇳
  • 😢 The terminology used by the authors is in line with many other taxonomic studies and does not negatively affect their main results; some improvements may nevertheless be possible. Contrasting the term "chemotaxonomic" with "phenotypic" is not recommended. Using the term "phylogenetic data" (or equivalent) for sequence data is not advocated. Whether taxa can have "members" is debatable. See the LPSN phylogeny page for details. Publication: Göker M. What can genome analysis offer for bacteria? In: Bridge P, Smith D, Stackebrandt E (eds), Trends in the systematics of bacteria and fungi, CAB International, Wallingford, 2021, p. 255-281. 🇬🇧
  • ❗ Ruegeria pelagia 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 Ruegeria.
  • 🧬 The phylogenomic assignment score of this taxon is -0.10863 (N = 72).
  • 😷 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 3 times in PubMed until 2026-06-11.
  • 🧍 The phylogenetic position of this species was determined in a genome-scale analysis by Hördt et al. (2020). 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. 🇩🇪

Parent taxon: Ruegeria Uchino et al. 1999

Assigned by: Lee K, Choo YJ, Giovannoni SJ, Cho JC. Ruegeria pelagia sp. nov., isolated from the Sargasso Sea, Atlantic Ocean. Int J Syst Evol Microbiol 2007; 57:1815-1818. 🇰🇷

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Record number: 786588