Name: Ruegeria halocynthiae Kim et al. 2012

Category: Species

Proposed as: sp. nov.

Etymology: ha.lo.cyn’thi.ae. N.L. gen. fem. n. halocynthiae, of Halocynthia, named after the generic name of the sea squirt Halocynthia roretzi, from which the type strain was isolated

Gender: feminine

Type strain: CCUG 60744; DSM 27839; KCTC 23463; MA1-6

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: HQ852038 Analyse FASTA

Valid publication: Kim YO, Park S, Nam BH, Kang SJ, Hur YB, Lee SJ, Oh TK, Yoon JH. Ruegeria halocynthiae sp. nov., isolated from the sea squirt Halocynthia roretzi. Int J Syst Evol Microbiol 2012; 62:925-930.

IJSEM list: Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 62, part 4 of the IJSEM. Int J Syst Evol Microbiol 2012; 62:1446-1447.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• Emendations:
  • Hördt et al. 2020 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. Oren A, Garrity GM. List of changes in taxonomic opinion no. 32. Notification of changes in taxonomic opinion previously published outside the IJSEM. Int J Syst Evol Microbiol 2020; 70:4061-4090.

• Notes:
  • 😢 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. 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.
  • 🧬 The phylogenomic assignment score of this taxon is 0.09026 (N = 75).
  • 😷 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: Ruegeria Uchino et al. 1999

Assigned by: Kim YO, Park S, Nam BH, Kang SJ, Hur YB, Lee SJ, Oh TK, Yoon JH. Ruegeria halocynthiae sp. nov., isolated from the sea squirt Halocynthia roretzi. Int J Syst Evol Microbiol 2012; 62:925-930.

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Record number: 789806