Name: Bulleidia extructa Downes et al. 2000

Category: Species

Proposed as: sp. nov.

Etymology: ex.truc’ta. L. fem. adj. extructa, slow, referring to the slow growth of the organism

Gender: feminine

Type strain: ATCC BAA-170; DSM 13220; W 1219

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AF220064 Analyse FASTA

Valid publication: Downes J, Olsvik B, Hiom SJ, Spratt DA, Cheeseman SL, Olsen I, Weightman AJ, Wade WG. Bulleidia extructa gen. nov., sp. nov., isolated from the oral cavity. Int J Syst Evol Microbiol 2000; 50:979-983.

IJSEM list: Anonymous. Notification list. Notification that new names and new combinations have appeared in volume 50, part 3 of the IJSEM. Int J Syst Evol Microbiol 2000; 50:1419-1420.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 2

• Notes:
  • 🥇 Nomenclatural type of the genus Bulleidia Downes et al. 2000. Publication: Downes J, Olsvik B, Hiom SJ, Spratt DA, Cheeseman SL, Olsen I, Weightman AJ, Wade WG. Bulleidia extructa gen. nov., sp. nov., isolated from the oral cavity. Int J Syst Evol Microbiol 2000; 50:979-983.
  • 😷 The risk group for Germany has been imported on 2023-10-29. The full classification is: risk group = 2.
  • 🎓 Name mentioned 10 times in PubMed until 2024-03-27.
  • 🧍 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.
  • 🧍 The etymology of the specific epithet is given as L. adj. extructus, slow, referring to the slow growth of the organism. However, the Latin adjective extructus a um (or exstructus a um) means furnished, put together, constructed, raised etc. Publication: Euzeby JP. List of Bacterial Names with Standing in Nomenclature: a folder available on the Internet. Int J Syst Bacteriol 1997; 47:590-592.

Parent taxon: Bulleidia Downes et al. 2000

Assigned by: Downes J, Olsvik B, Hiom SJ, Spratt DA, Cheeseman SL, Olsen I, Weightman AJ, Wade WG. Bulleidia extructa gen. nov., sp. nov., isolated from the oral cavity. Int J Syst Evol Microbiol 2000; 50:979-983.

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Record number: 774261