Name: Pelagibacterium halotolerans Xu et al. 2011

Category: Species

Proposed as: sp. nov.

Etymology: ha.lo.to’le.rans. Gr. masc. n. hals (gen. halos), salt; L. pres. part. tolerans, tolerating; N.L. part. adj. halotolerans, salt-tolerating, referring to the organism’s ability to tolerate high salt concentrations

Gender: neuter

Type strain: B 2; CGMCC 1.7692; DSM 22347; JCM 15775

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: EU709017 Analyse FASTA

Valid publication: Xu XW, Huo YY, Wang CS, Oren A, Cui HL, Vedler E, Wu M. Pelagibacterium halotolerans gen. nov., sp. nov. and Pelagibacterium luteolum sp. nov., novel members of the family Hyphomicrobiaceae. Int J Syst Evol Microbiol 2011; 61:1817-1822.

IJSEM list: Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 61, part 8 of the IJSEM. Int J Syst Evol Microbiol 2011; 61:2566-2567.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• Emendations:
  • 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:
  • 🥇 Nomenclatural type of the genus Pelagibacterium Xu et al. 2011. Publication: Xu XW, Huo YY, Wang CS, Oren A, Cui HL, Vedler E, Wu M. Pelagibacterium halotolerans gen. nov., sp. nov. and Pelagibacterium luteolum sp. nov., novel members of the family Hyphomicrobiaceae. Int J Syst Evol Microbiol 2011; 61:1817-1822.
  • 😢 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 risk group for Germany has been imported on 2023-10-29. The full classification is: risk group = 1.
  • 🎓 Name mentioned 11 times in PubMed until 2024-03-27.

Parent taxon: Pelagibacterium Xu et al. 2011

Assigned by: Xu XW, Huo YY, Wang CS, Oren A, Cui HL, Vedler E, Wu M. Pelagibacterium halotolerans gen. nov., sp. nov. and Pelagibacterium luteolum sp. nov., novel members of the family Hyphomicrobiaceae. Int J Syst Evol Microbiol 2011; 61:1817-1822.

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Record number: 789381