Name: Polaribacter tangerinus Han et al. 2017

Category: Species

Proposed as: sp. nov.

Etymology: tan.ge.ri’nus. N.L. masc. adj. tangerinus, tangerine-colored, due to the growth colour

Gender: masculine

Type strain: KCTC 52275; MCCC 1H00163; WS2-14

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: KX262847 Analyse FASTA

Valid publication: Han JR, Wang K, Zhang J, Chen GJ, Du ZJ. Polaribacter tangerinus sp. nov., isolated from sediment in a sea cucumber culture pond. Int J Syst Evol Microbiol 2017; 67:4736-4741. 🇨🇳

IJSEM list: Oren A, Garrity GM. Notification list. Notification that new names and new combinations have appeared in volume 67, part 11 of the IJSEM. Int J Syst Evol Microbiol 2018; 68:471-473.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• 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. 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 0.01781 (N = 58).
  • 😷 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 1 time in PubMed until 2025-06-04.
  • 🧍 The phylogenetic position of this species was determined in a genome-scale analysis by García-López et al. (2019). Publication: 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. 🇩🇪

Parent taxon: Polaribacter Gosink et al. 1998

Assigned by: Han JR, Wang K, Zhang J, Chen GJ, Du ZJ. Polaribacter tangerinus sp. nov., isolated from sediment in a sea cucumber culture pond. Int J Syst Evol Microbiol 2017; 67:4736-4741. 🇨🇳

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Record number: 796245