Name: Arcicella aurantiaca Sheu et al. 2010

Category: Species

Proposed as: sp. nov.

Etymology: au.ran.ti’a.ca. N.L. fem. adj. aurantiaca, orange-coloured

Pronunciation, gender: a͡u-ran-TI-a-ka, feminine

Type strain: BCRC 17969; DSM 22214; LMG 25207; TNR-18

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: FJ593908 Analyse FASTA

Valid publication: Sheu SY, Yang CS, Chen MH, Arun AB, Young CC, Chen WM. Arcicella aurantiaca sp. nov., isolated from stream water. Int J Syst Evol Microbiol 2010; 60:2979-2983.

IJSEM list: Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 60, part 12 of the IJSEM. Int J Syst Evol Microbiol 2011; 61:477-478.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• Emendations:
  • Chen et al. 2013 Chen WM, Yang SH, Young CC, Sheu SY. Arcicella rigui sp. nov., isolated from water of a wetland, and emended descriptions of the genus Arcicella, Arcicella aquatica, Arcicella rosea and Arcicella aurantiaca. Int J Syst Evol Microbiol 2013; 63:134-140. Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 63, part 1 of the IJSEM. Int J Syst Evol Microbiol 2013; 63:1211-1213.
  • García-López et al. 2019 Garcia-Lopez M, Meier-Kolthoff JP, Tindall BJ, Gronow S, Woyke T, Kyrpides NC, Hahnke RL, Goker M. Analysis of 1,000 Type-Strain Genomes Improves Taxonomic Classification of Bacteroidetes. Front Microbiol 2019; 10:2083. 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:
  • 🧬 The phylogenomic assignment score of this taxon is 0.06718 (N = 19).
  • 😷 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 2 times in PubMed until 2025-06-04.

Parent taxon: Arcicella Nikitin et al. 2004

Assigned by: Sheu SY, Yang CS, Chen MH, Arun AB, Young CC, Chen WM. Arcicella aurantiaca sp. nov., isolated from stream water. Int J Syst Evol Microbiol 2010; 60:2979-2983.

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Record number: 788918