Name: Dyadobacter Chelius and Triplett 2000

Category: Genus

Proposed as: gen. nov.

Etymology: Dy.a.do.bac’ter. Gr. fem. n. dyas, two in number, pair; N.L. masc. n. bacter, rod; from Gr. neut. n. baktron, rod or staff; N.L. masc. n. Dyadobacter, rod or staff occurring in pairs

Gender, pronunciation (Latin): masculine (stem: Dyadobacter-), dy-a-do-BAK-ter

Type species: Dyadobacter fermentans Chelius and Triplett 2000

Conduct genome-based taxonomy of genus at TYGS

16S rRNA gene: Analyse FASTA

Valid publication: Chelius MK, Triplett EW. Dyadobacter fermentans gen. nov., sp. nov., a novel gram-negative bacterium isolated from surface-sterilized Zea mays stems. Int J Syst Evol Microbiol 2000; 50:751-758. 🇺🇸

IJSEM list: Anonymous. Notification list. Notification that new names and new combinations have appeared in volume 50, part 2 of the IJSEM. Int J Syst Evol Microbiol 2000; 50:951-953.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 2

• Emendations:
  • Reddy and Garcia-Pichel 2005 Reddy GS, Garcia-Pichel F. Dyadobacter crusticola sp. nov., from biological soil crusts in the Colorado Plateau, USA, and an emended description of the genus Dyadobacter Chelius and Triplett 2000. Int J Syst Evol Microbiol 2005; 55:1295-1299. 🇺🇸 Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 55, part 3 of the IJSEM. Int J Syst Evol Microbiol 2005; 55:1747-1749.
    Notes:
    • ⊕ Emendation accompanied by the proposal of 1 new species in the genus.
  • 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:
  • 🧕 Lee et al. (2010) assigned this genus to the family Cytophagaceae Stanier 1940 (Approved Lists 1980). Publication: Lee M, Woo SG, Park J, Yoo SA. Dyadobacter soli sp. nov., a starch-degrading bacterium isolated from farm soil. Int J Syst Evol Microbiol 2010; 60:2577-2582. 🇰🇷
  • 💁 Taxonomists who have recently focused on this group are the corresponding authors of He et al. (2020), Chaudhary et al. (2020). Editors in search of reviewers are advised to consider additional criteria such as whether a taxon is covered by one of the ICSP subcommittees.
  • 🧬 The phylogenomic assignment score of this taxon is 0.00084 (N = 22).
  • 🎰 The BRCs most frequently used for deposits in this group are: DSM: 13; JCM: 10; CGMCC: 9; KCTC: 8; KACC: 6; NBRC: 6; CCTCC: 5; KEMB: 4; LMG: 3; GDMCC: 3.
  • 😷 The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 2, note = "ATCC BAA-1468: 2 Animal classification RG: 2 - Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No - Containment level: Containment Level 2". — 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.

Subdivision:

Number of child taxa with a validly published and correct name: 31
Number of child taxa with a validly published name, including synonyms: 31
Total number of child taxa: 33

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    Dyadobacter alkalitolerans Tang et al. 2009	validly published under the ICNP	correct name
    Dyadobacter arcticus Chen et al. 2013	validly published under the ICNP	correct name
    "Dyadobacter aurulentus" Yadav et al. 2025	not validly published	preferred name
    Dyadobacter beijingensis Dong et al. 2007	validly published under the ICNP	correct name
    Dyadobacter bucti He et al. 2020	validly published under the ICNP	correct name
    Dyadobacter chenhuakuii Ma et al. 2023	validly published under the ICNP	correct name
    Dyadobacter chenwenxiniae Ma et al. 2023	validly published under the ICNP	correct name
    Dyadobacter crusticola Reddy and Garcia-Pichel 2005	validly published under the ICNP	correct name
    "Dyadobacter diqingensis" Ran et al. 2022	not validly published	preferred name
    Dyadobacter endophyticus Gao et al. 2016	validly published under the ICNP	correct name
    Dyadobacter fanqingshengii Ma et al. 2023	validly published under the ICNP	correct name
    Dyadobacter fermentans Chelius and Triplett 2000	validly published under the ICNP	correct name
    Dyadobacter flavalbus Qu et al. 2020	validly published under the ICNP	correct name
    Dyadobacter flavus Dahal and Kim 2019	validly published under the ICNP	correct name
    Dyadobacter frigoris Chaudhary et al. 2020	validly published under the ICNP	correct name
    Dyadobacter ginsengisoli Liu et al. 2006	validly published under the ICNP	correct name
    Dyadobacter hamtensis Chaturvedi et al. 2005	validly published under the ICNP	correct name
    Dyadobacter helix Lucena et al. 2024	validly published under the ICNP	correct name
    Dyadobacter jejuensis Chun et al. 2013	validly published under the ICNP	correct name
    Dyadobacter jiangsuensis Wang et al. 2015	validly published under the ICNP	correct name
    Dyadobacter koreensis Baik et al. 2007	validly published under the ICNP	correct name
    Dyadobacter linearis Lucena et al. 2024	validly published under the ICNP	correct name
    Dyadobacter luteus Chen et al. 2025	validly published under the ICNP	correct name
    Dyadobacter luticola Song et al. 2019	validly published under the ICNP	correct name
    Dyadobacter pollutisoli Kim et al. 2023	validly published under the ICNP	correct name
    Dyadobacter psychrophilus Zhang et al. 2010	validly published under the ICNP	correct name
    Dyadobacter psychrotolerans Chaudhary et al. 2020	validly published under the ICNP	correct name
    Dyadobacter sandarakinus Zhang et al. 2021	validly published under the ICNP	correct name
    Dyadobacter sediminis Tian et al. 2015	validly published under the ICNP	correct name
    Dyadobacter soli Lee et al. 2010	validly published under the ICNP	correct name
    Dyadobacter subterraneus Szabó et al. 2021	validly published under the ICNP	correct name
    Dyadobacter terricola Dahal and Kim 2019	validly published under the ICNP	correct name
    Dyadobacter tibetensis Shen et al. 2013	validly published under the ICNP	correct name

Parent taxon: Spirosomataceae corrig. Larkin and Borrall 1978 (Approved Lists 1980)

Assigned by: 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. 🇩🇪

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Record number: 515560