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Species Bacteroides merdae
Name: Bacteroides merdae Johnson et al. 1986
Etymology: mer’dae. L. gen. fem. n. merdae, of feces, referring to source of isolate
Type strain: ATCC 43184; CCUG 38734; CIP 104202; DSM 19495; JCM 9497; NCTC 13052; VPI T4-1
See detailed strain information at
Conduct genome-based taxonomy at
16S rRNA gene:
EU136685
Analyse
FASTA
Valid publication:
Johnson JL, Moore WEC, Moore LVH. Bacteroides caccae sp. nov., Bacteroides merdae sp. nov., and Bacteroides stercoris sp. nov. isolated from human feces. Int. J. Syst. Bacteriol. 1986; 36:499-501. 
Nomenclatural status: validly published under the ICNP
Taxonomic status: synonym (and not recommended for medical use)
Correct name: Parabacteroides merdae (Johnson et al. 1986) Sakamoto and Benno 2006
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Synonyms:
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Name Kind Parabacteroides merdae (Johnson et al. 1986) Sakamoto and Benno 2006 homotypic synonym, validly published under the ICNP
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Notes:
- ❗ Bacteroides merdae is the correct name instead if this species is regarded as a separate species (i.e., if its nomenclatural type is not assigned to another species whose name is validly published, legitimate and not rejected and has priority) within a separate genus Bacteroides.
- 😷 The risk group for Swiss Confederation has been imported on 2024-02-01. The full classification is: risk group = 2, note = "PIIC". — The risk group for Germany has been imported on 2023-10-29. The full classification is: risk group = 1, note = "+". — 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 9 times in PubMed until 2025-06-04.
- 🙅 This name is on the List of Recommended Names for bacteria of medical importance (LoRN) as a synonym of the name to be applied to this species. The name is on LoRN because of the recorded risk group of the species itself.
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🧍 According to Bartlett et al. (2022), this species is an established human pathogen.
Publication:
Bartlett A, Padfield D, Lear L, Bendall R, Vos M. A comprehensive list of bacterial pathogens infecting humans. Microbiology 2022; 168:0.
Parent taxon: Bacteroides Castellani and Chalmers 1919 (Approved Lists 1980)
Assigned by:
Johnson JL, Moore WEC, Moore LVH. Bacteroides caccae sp. nov., Bacteroides merdae sp. nov., and Bacteroides stercoris sp. nov. isolated from human feces. Int. J. Syst. Bacteriol. 1986; 36:499-501.
Linking: To permanently link to this page, use https://lpsn.dsmz.de/species/bacteroides-merdaeLink copied to clipboard
Record number: 795956
This LPSN page was printed on 2025-07-18 07:12:43