Name: Arenibacter certesii Nedashkovskaya et al. 2004

Category: Species

Proposed as: sp. nov.

Etymology: cer.te’si.i. N.L. gen. masc. n. certesii, of Certes, to honour A. Certes for his contribution to the development of marine microbiology

Pronunciation (Latin), gender: … ker-TE-si-i, masculine

Type strain: CCUG 48006; DSM 19833; JCM 13507; KCTC 12113; KMM 3941

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: MT758052 Analyse FASTA

Valid publication: Nedashkovskaya OI, Kim SB, Han SK, Lysenko AM, Mikhailov VV, Bae KS. Arenibacter certesii sp. nov., a novel marine bacterium isolated from the green alga Ulva fenestrata. Int J Syst Evol Microbiol 2004; 54:1173-1176. 🇷🇺

IJSEM list: Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 54, part 4 of the IJSEM. Int J Syst Evol Microbiol 2004; 54:1911-1913.

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 0.14347 (N = 127).
  • 😷 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 5 times in PubMed until 2025-06-04.
  • 🧍 The genome of the type strain was sequenced as part of the GEBA (Genomic Encyclopedia of Bacteria and Archaea) project. Publication: Hahnke RL, Meier-Kolthoff JP, Garcia-Lopez M, Mukherjee S, Huntemann M, Ivanova NN, Woyke T, Kyrpides NC, Klenk HP, Goker M. Genome-Based Taxonomic Classification of Bacteroidetes. Front Microbiol 2016; 7:2003. 🇩🇪

Parent taxon: Arenibacter Ivanova et al. 2001

Assigned by: Nedashkovskaya OI, Kim SB, Han SK, Lysenko AM, Mikhailov VV, Bae KS. Arenibacter certesii sp. nov., a novel marine bacterium isolated from the green alga Ulva fenestrata. Int J Syst Evol Microbiol 2004; 54:1173-1176. 🇷🇺

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Record number: 783396