Bacteroides fragilis Group
Bacteroides fragilis Group is a topic covered in the Johns Hopkins ABX Guide.
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MICROBIOLOGY
- Small, pleomorphic Gram-negative anaerobic bacillus.
- Of all species, B. fragilis causes most human Bacteroides infections.
- Other commonly encountered members of the B. fragilis group [BFG] include Bacteroides, Parabacteroides and Phocaeicola species: speciation has been aided by the employment of MALDI-TOF[3].
- Bacteroides distasonis, Bacteroides merdae, and Bacteroides goldsteinii have been reclassified to a new genus, Parabacteroides.
- Tannerellaceae” family has been proposed as a new name.
- Therefore, the revised taxonomy are Parabacteroides distasonis, P. merdae, and P. goldsteinii
- Tannerellaceae” family has been proposed as a new name.
- Bacteroides ovatus
- Bacteroides thetaiotaomicron
- Bacteroides uniformis
- Bacteroides vulgatus
- Bacteroides distasonis, Bacteroides merdae, and Bacteroides goldsteinii have been reclassified to a new genus, Parabacteroides.
- Quickly grown relative to other anaerobes.
- Bacteroides spp. colonize all human colons, representing ~ 25% of human intestinal microbiota.
- BFG are outnumbered 10-100x by other Bacteroides spp.
- Organisms are possibly important in the gut for immune modulation.
-- To view the remaining sections of this topic, please log in or purchase a subscription --
MICROBIOLOGY
- Small, pleomorphic Gram-negative anaerobic bacillus.
- Of all species, B. fragilis causes most human Bacteroides infections.
- Other commonly encountered members of the B. fragilis group [BFG] include Bacteroides, Parabacteroides and Phocaeicola species: speciation has been aided by the employment of MALDI-TOF[3].
- Bacteroides distasonis, Bacteroides merdae, and Bacteroides goldsteinii have been reclassified to a new genus, Parabacteroides.
- Tannerellaceae” family has been proposed as a new name.
- Therefore, the revised taxonomy are Parabacteroides distasonis, P. merdae, and P. goldsteinii
- Tannerellaceae” family has been proposed as a new name.
- Bacteroides ovatus
- Bacteroides thetaiotaomicron
- Bacteroides uniformis
- Bacteroides vulgatus
- Bacteroides distasonis, Bacteroides merdae, and Bacteroides goldsteinii have been reclassified to a new genus, Parabacteroides.
- Quickly grown relative to other anaerobes.
- Bacteroides spp. colonize all human colons, representing ~ 25% of human intestinal microbiota.
- BFG are outnumbered 10-100x by other Bacteroides spp.
- Organisms are possibly important in the gut for immune modulation.
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Last updated: January 11, 2023
Citation
Fabre, Valeria. "Bacteroides Fragilis Group." Johns Hopkins ABX Guide, The Johns Hopkins University, 2023. Johns Hopkins Guides, www.hopkinsguides.com/hopkins/view/Johns_Hopkins_ABX_Guide/540052/all/Bacteroides_fragilis_Group_.
Fabre V. Bacteroides fragilis Group. Johns Hopkins ABX Guide. The Johns Hopkins University; 2023. https://www.hopkinsguides.com/hopkins/view/Johns_Hopkins_ABX_Guide/540052/all/Bacteroides_fragilis_Group_. Accessed March 23, 2023.
Fabre, V. (2023). Bacteroides fragilis Group. In Johns Hopkins ABX Guide. The Johns Hopkins University. https://www.hopkinsguides.com/hopkins/view/Johns_Hopkins_ABX_Guide/540052/all/Bacteroides_fragilis_Group_
Fabre V. Bacteroides Fragilis Group [Internet]. In: Johns Hopkins ABX Guide. The Johns Hopkins University; 2023. [cited 2023 March 23]. Available from: https://www.hopkinsguides.com/hopkins/view/Johns_Hopkins_ABX_Guide/540052/all/Bacteroides_fragilis_Group_.
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PB - The Johns Hopkins University
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