Name: Polaribacter butkevichii Nedashkovskaya et al. 2006

Category: Species

Proposed as: sp. nov.

Etymology: but.ke.vi’chi.i. N.L. gen. masc. n. butkevichii, of Butkevich, named after V.S. Butkevich, Russian marine microbiologist

Pronunciation, gender: but-ke-WI-k^hi-i, masculine

Type strain: CCUG 48005; KCTC 12100; KMM 3938

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AY189722 Analyse FASTA

Effective publication: Nedashkovskaya OI, Kim SB, Lysenko AM, Kalinovskaya NI, Mikhailov VV, Kim IS, Bae KS. Polaribacter butkevichii sp. nov., a novel marine mesophilic bacterium of the family Flavobacteriaceae. Curr Microbiol 2005; 51:408-412.

IJSEM list: Euzeby JP. Validation list no. 110. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2006; 56:1459-1460.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• Emendations:
  • Kim et al. 2013 Kim BC, Oh HW, Kim H, Park DS, Hong SG, Lee HK, Bae KS. Polaribacter sejongensis sp. nov., isolated from Antarctic soil, and emended descriptions of the genus Polaribacter, Polaribacter butkevichii and Polaribacter irgensii. Int J Syst Evol Microbiol 2013; 63:4000-4005. Oren A, Garrity GM. Notification list. Notification that new names and new combinations have appeared in volume 63, part 11 of the IJSEM. Int J Syst Evol Microbiol 2014; 64:313-315.
  • García-López et al. 2019 Garcia-Lopez M, Meier-Kolthoff JP, Tindall BJ, Gronow S, Woyke T, Kyrpides NC, Hahnke RL, Goker M. Analysis of 1,000 Type-Strain Genomes Improves Taxonomic Classification of Bacteroidetes. Front Microbiol 2019; 10:2083. 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. 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.
  • 🧬 The phylogenomic assignment score of this taxon is 0.04328 (N = 86).
  • 😷 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 3 times in PubMed until 2025-06-04.

Parent taxon: Polaribacter Gosink et al. 1998

Assigned by: Nedashkovskaya OI, Kim SB, Lysenko AM, Kalinovskaya NI, Mikhailov VV, Kim IS, Bae KS. Polaribacter butkevichii sp. nov., a novel marine mesophilic bacterium of the family Flavobacteriaceae. Curr Microbiol 2005; 51:408-412.

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Record number: 785255