Name: Congregibacter Spring et al. 2009

Category: Genus

Proposed as: gen. nov.

Etymology: Con.gre.gi.bac’ter. L. adj. congregus -a -um, united in flocks; N.L. masc. n. bacter, a rod; N.L. masc. n. Congregibacter, a rod that grows in flocks

Gender, pronunciation: masculine (stem: Congregibacter-), kon-gre-gi-BAK-ter

Type species: Congregibacter litoralis Spring et al. 2009

Conduct genome-based taxonomy of genus at TYGS

16S rRNA gene: Analyse FASTA

Effective publication: Spring S, Lunsdorf H, Fuchs BM, Tindall BJ. The photosynthetic apparatus and its regulation in the aerobic gammaproteobacterium Congregibacter litoralis gen. nov., sp. nov. PLoS One 2009; 4:e4866.

IJSEM list: Euzeby JP. Validation list no. 128. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2009; 59:1555-1556.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

• Emendations:
  • Tak et al. 2024 Tak H, Park MS, Cho H, Lim Y, Cho JC. Congregibacter variabilis sp. nov. and Congregibacter brevis sp. nov. Within the OM60/NOR5 Clade, Isolated from Seawater, and Emended Description of the Genus Congregibacter. J Microbiol 2024; 62:739-748. Oren A, Göker M. List of changes in taxonomic opinion no. 42. Notification of changes in taxonomic opinion previously published outside the IJSEM. Int J Syst Evol Microbiol 2025; 75:6793.
    Notes:
    • ⊕ Emendation accompanied by the proposal of 2 new species in the genus.

• Notes:
  • 🧕 Yilmaz et al. (2014) assigned this genus to the class Gammaproteobacteria Garrity et al. 2005. Publication: Yilmaz P, Parfrey LW, Yarza P, Gerken J, Pruesse E, Quast C, Schweer T, Peplies J, Ludwig W, Glöckner FO. The SILVA and “all-species living tree project (LTP)” taxonomic frameworks. Nucleic Acids Research 2014; 42(D1):D643-D648.
  • 🙄 This taxon name is occasionally misprinted (or affected by an OCR error) in some sources as: "Congreibacter".
  • 🎰 The BRCs most frequently used for deposits in this group are: NBRC: 3; KCTC: 2; CCTCC: 1; DSM: 1.

Subdivision:

Number of child taxa with a validly published and correct name: 3
Number of child taxa with a validly published name, including synonyms: 3
Total number of child taxa: 3

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    Congregibacter brevis Tak et al. 2025	validly published under the ICNP	correct name
    Congregibacter litoralis Spring et al. 2009	validly published under the ICNP	correct name
    Congregibacter variabilis Tak et al. 2025	validly published under the ICNP	correct name

Parent taxon: Halieaceae Spring et al. 2015

Assigned by: Spring S, Scheuner C, Goker M, Klenk HP. A taxonomic framework for emerging groups of ecologically important marine gammaproteobacteria based on the reconstruction of evolutionary relationships using genome-scale data. Front Microbiol 2015; 6:281.

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Record number: 517849