Name: Pseudoxanthomonas helianthi Kittiwongwattana and Thawai 2016

Category: Species

Proposed as: sp. nov.

Etymology: he.li.an’thi. N.L. gen. masc. n. helianthi, of Helianthus tuberosus

Pronunciation, gender: he-li-AN-t^hi, feminine

Type strain: 110414; BCC 70700; NBRC 110414; roo10

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AB905612 Analyse FASTA

Valid publication: Kittiwongwattana C, Thawai C. Pseudoxanthomonas helianthi sp. nov., isolated from roots of Jerusalem artichoke (Helianthus tuberosus). Int J Syst Evol Microbiol 2016; 66:5034-5038.

IJSEM list: Oren A, Garrity GM. Notification list. Notification that new names and new combinations have appeared in volume 66, part 12 of the IJSEM. Int J Syst Evol Microbiol 2017; 67:525-528.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name (and explicitly recommended for medical use)

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 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.
  • 🙆 This name is on the List of Recommended Names for bacteria of medical importance (LoRN) as the name to be applied to this species. The name is on LoRN because of the recorded pathogenicity of other species in the genus.

Parent taxon: Pseudoxanthomonas Finkmann et al. 2000

Assigned by: Kittiwongwattana C, Thawai C. Pseudoxanthomonas helianthi sp. nov., isolated from roots of Jerusalem artichoke (Helianthus tuberosus). Int J Syst Evol Microbiol 2016; 66:5034-5038.

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Record number: 794939