Name: Jannaschia helgolandensis Wagner-Döbler et al. 2003

Category: Species

Proposed as: sp. nov.

Etymology: hel.go.lan.den’sis. N.L. fem. adj. helgolandensis, of the island of Helgoland, where the type strain was isolated

Pronunciation, gender: hel-go-lan-DEN-sis, feminine

Type strain: DSM 14858; Hel 10; NCIMB 13941

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AJ438157 Analyse FASTA

Valid publication: Wagner-Dobler I, Rheims H, Felske A, Pukall R, Tindall BJ. Jannaschia helgolandensis gen. nov., sp. nov., a novel abundant member of the marine Roseobacter clade from the North Sea. Int J Syst Evol Microbiol 2003; 53:731-738.

IJSEM list: Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 53, part 3 of the IJSEM. Int J Syst Evol Microbiol 2003; 53:1221-1222.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• Notes:
  • 🥇 Nomenclatural type of the genus Jannaschia Wagner-Döbler et al. 2003. Publication: Wagner-Dobler I, Rheims H, Felske A, Pukall R, Tindall BJ. Jannaschia helgolandensis gen. nov., sp. nov., a novel abundant member of the marine Roseobacter clade from the North Sea. Int J Syst Evol Microbiol 2003; 53:731-738.
  • 😷 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 12 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: 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.

Parent taxon: Jannaschia Wagner-Döbler et al. 2003

Assigned by: Wagner-Dobler I, Rheims H, Felske A, Pukall R, Tindall BJ. Jannaschia helgolandensis gen. nov., sp. nov., a novel abundant member of the marine Roseobacter clade from the North Sea. Int J Syst Evol Microbiol 2003; 53:731-738.

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Record number: 777059