Name: Rubritepida flocculans Alarico et al. 2002

Category: Species

Proposed as: sp. nov.

Etymology: floc’cu.lans. N.L. fem. part. adj. flocculans, flocculating, pertaining to the organism’s trait to flocculate in liquid cultures

Pronunciation, gender: FLOK-ku-lans, feminine

Type strain: ATCC BAA-385; DSM 14296; H-8

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AF465832 Analyse FASTA

Effective publication: Alarico S, Rainey FA, Empadinhas N, Schumann P, Nobre MF, da Costa MS. Rubritepida flocculans gen. nov., sp. nov., a new slightly thermophilic member of the alpha-1 subclass of the Proteobacteria. Syst Appl Microbiol 2002; 25:198-206.

IJSEM list: Anonymous. Validation list no. 88. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2002; 52:1915-1916.

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:
    • 🧍 The genome of the type strain was sequenced as part of the GEBA (Genomic Encyclopedia of Bacteria and Archaea) project.

• Notes:
  • 🥇 Nomenclatural type of the genus Rubritepida Alarico et al. 2002. Publication: Alarico S, Rainey FA, Empadinhas N, Schumann P, Nobre MF, da Costa MS. Rubritepida flocculans gen. nov., sp. nov., a new slightly thermophilic member of the alpha-1 subclass of the Proteobacteria. Syst Appl Microbiol 2002; 25:198-206.
  • 😷 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 4 times in PubMed until 2025-06-04.

Parent taxon: Rubritepida Alarico et al. 2002

Assigned by: Alarico S, Rainey FA, Empadinhas N, Schumann P, Nobre MF, da Costa MS. Rubritepida flocculans gen. nov., sp. nov., a new slightly thermophilic member of the alpha-1 subclass of the Proteobacteria. Syst Appl Microbiol 2002; 25:198-206.

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Record number: 780602