Name: Dyadobacter fermentans Chelius and Triplett 2000

Category: Species

Proposed as: sp. nov.

Etymology: fer.men’tans. L. masc. part. adj. fermentans, causing fermentation

Pronunciation, gender: fer-MEN-tans, masculine

Type strain: ATCC 700827; CIP 107007; DSM 18053; NS114

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AF137029 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 (and explicitly recommended for medical use)

Risk group: 1

• Emendations:
  • Hahnke et al. 2016 Hahnke RL, Meier-Kolthoff JP, Garcia-Lopez M, Mukherjee S, Huntemann M, Ivanova NN, Woyke T, Kyrpides NC, Klenk HP, Goker M. Genome-Based Taxonomic Classification of Bacteroidetes. Front Microbiol 2016; 7:2003. Oren A, Garrity GM. List of changes in taxonomic opinion no. 26. Notification of changes in taxonomic opinion previously published outside the IJSEM. Int J Syst Evol Microbiol 2017; 67:2081-2086.

• Notes:
  • 🥇 Nomenclatural type of the genus Dyadobacter Chelius and Triplett 2000. 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.
  • 😷 The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 1, note = "Animal classification RG: 1 - Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No - Containment level: Containment Level 1". — The risk group for Swiss Confederation has been imported on 2024-02-01. The full classification is: risk group = 1. — 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 16 times in PubMed until 2025-06-04.
  • 🙆 This name is on the List of Recommended Names for bacteria of medical importance (LoRN) as the name to be applied to this species. The name is on LoRN because of the recorded risk group of other species in the genus.
  • 🧍 The genome of the type strain was sequenced as part of the GEBA (Genomic Encyclopedia of Bacteria and Archaea) project. Publication: Lang E, Lapidus A, Chertkov O, Brettin T, Detter JC, Han C, Copeland A, Glavina Del Rio T, Nolan M, Chen F, et al. Complete genome sequence of Dyadobacter fermentans type strain (NS114). Stand Genomic Sci 2009; 1:133-140.

Parent taxon: Dyadobacter Chelius and Triplett 2000

Assigned by: 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.

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Record number: 775863