Name: Ruegeria lacuscaerulensis (Petursdottir and Kristjansson 1999) Yi et al. 2007

Category: Species

Proposed as: comb. nov.

Basonym: Silicibacter lacuscaerulensis Petursdottir and Kristjansson 1999

Etymology: la.cus.cae.ru.len’sis. L. gen. masc. n. lacus, lake; L. masc. adj. caeruleus, blue; N.L. gen. masc. n. lacuscaerulensis, pertaining to the blue lake [probably better: lacuscaerulei]

Pronunciation, gender: la-kus-ka͡e-ru-LEN-sis, feminine

Type strain: DSM 11314; ITI-1157; KCTC 2953

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: U77644 Analyse FASTA

Valid publication: Yi H, Lim YW, Chun J. Taxonomic evaluation of the genera Ruegeria and Silicibacter: a proposal to transfer the genus Silicibacter Petursdottir and Kristjansson 1999 to the genus Ruegeria Uchino et al. 1999. Int J Syst Evol Microbiol 2007; 57:815-819. 🇰🇷

IJSEM list: Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 57, part 4 of the IJSEM. Int J Syst Evol Microbiol 2007; 57:1374-1375.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• Synonyms:

  • Name	Kind
    Silicibacter lacuscaerulensis Petursdottir and Kristjansson 1999	homotypic synonym, validly published under the ICNP

• Emendations:
  • Vandecandelaere et al. 2008 Vandecandelaere I, Nercessian O, Segaert E, Achouak W, Faimali M, Vandamme P. Ruegeria scottomollicae sp. nov., isolated from a marine electroactive biofilm. Int J Syst Evol Microbiol 2008; 58:2726-2733. 🇧🇪 Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 58, part 12 of the IJSEM. Int J Syst Evol Microbiol 2009; 59:452-453.
    Notes:
    • 🧍 In the paper by Vandecandelaere et al. 2008, Ruegeria lacuscaerulensis is erroneously cited as Ruegeria lacuscaerulensis (Petursdottir and Kristjansson 1997) Yi et al. 2007.
  • 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 phylogenomic assignment score of this taxon is 0.05752 (N = 95).
  • 😷 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 15 times in PubMed until 2025-06-04.

Parent taxon: Ruegeria Uchino et al. 1999

Assigned by: Yi H, Lim YW, Chun J. Taxonomic evaluation of the genera Ruegeria and Silicibacter: a proposal to transfer the genus Silicibacter Petursdottir and Kristjansson 1999 to the genus Ruegeria Uchino et al. 1999. Int J Syst Evol Microbiol 2007; 57:815-819. 🇰🇷

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Record number: 786138