Name: Aquidulcibacter paucihalophilus Cai et al. 2018

Category: Species

Proposed as: sp. nov.

Etymology: pau.ci.ha.lo’phi.lus. L. masc. adj. paucus, little; Gr. masc. n. hals (gen. halos), salt; N.L. masc. adj. suff. -philus, friend, loving; from Gr. masc. adj. philos, on; N.L. masc. adj. paucihalophilus, little salt-loving

Pronunciation (Latin), gender: … pa͡u-ki-ha-LO-p^hi-lus, masculine

Type strain: 1-2; CGMCC 1.12979; LMG 28362; TH1-2

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: KJ862838 Analyse FASTA

Effective publication: Cai H, Shi Y, Wang Y, Cui H, Jiang H. Aquidulcibacter paucihalophilus gen. nov., sp. nov., a novel member of family Caulobacteraceae isolated from cyanobacterial aggregates in a eutrophic lake. Antonie Van Leeuwenhoek 2017; 110:1169-1177. 🇨🇳

IJSEM list: Oren A, Garrity GM. Validation list no. 179. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2018; 68:1-2.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• Notes:
  • 🥇 Nomenclatural type of the genus Aquidulcibacter Cai et al. 2018. Publication: Cai H, Shi Y, Wang Y, Cui H, Jiang H. Aquidulcibacter paucihalophilus gen. nov., sp. nov., a novel member of family Caulobacteraceae isolated from cyanobacterial aggregates in a eutrophic lake. Antonie Van Leeuwenhoek 2017; 110:1169-1177. 🇨🇳
  • 😢 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. Using the term "phylogenetic data" (or equivalent) for sequence data is not advocated. 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 5 times in PubMed until 2025-06-04.
  • 🧍 The phylogenetic position of this species was determined in a genome-scale analysis by Hördt et al. (2020). 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: Aquidulcibacter Cai et al. 2018

Assigned by: Cai H, Shi Y, Wang Y, Cui H, Jiang H. Aquidulcibacter paucihalophilus gen. nov., sp. nov., a novel member of family Caulobacteraceae isolated from cyanobacterial aggregates in a eutrophic lake. Antonie Van Leeuwenhoek 2017; 110:1169-1177. 🇨🇳

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Record number: 798792