Johns Hopkins ABX Guide
Bacteroides fragilis
Bacteroides fragilis 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 members of B. fragilis group include:
- Bacteroides distasonis
- Bacteroides ovatus
- Bacteroides thetaiotaomicron
- Bacteroides vulgatus
- Easily grown relative to other anaerobes
- Colonizes virtually all human colons
- Organism possibly important in the gut for immune modulation.
- B. fragilis group almost always susceptible to metronidazole, carbapenems, beta-lactam/beta-lactamase inhibitors
- Resistance rates to clindamycin, moxifloxacin, cefoxitin and cefotetan are increasing.
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Last updated: February 6, 2019
Citation
Bartlett, John G, and Valeria Fabre. "Bacteroides Fragilis." Johns Hopkins ABX Guide, The Johns Hopkins University, 2019. Pediatrics Central, peds.unboundmedicine.com/pedscentral/view/Johns_Hopkins_ABX_Guide/540052/all/Bacteroides_fragilis.
Bartlett JG, Fabre V. Bacteroides fragilis. Johns Hopkins ABX Guide. The Johns Hopkins University; 2019. https://peds.unboundmedicine.com/pedscentral/view/Johns_Hopkins_ABX_Guide/540052/all/Bacteroides_fragilis. Accessed November 11, 2019.
Bartlett, J. G., & Fabre, V. (2019). Bacteroides fragilis. In Johns Hopkins ABX Guide. Available from https://peds.unboundmedicine.com/pedscentral/view/Johns_Hopkins_ABX_Guide/540052/all/Bacteroides_fragilis
Bartlett JG, Fabre V. Bacteroides Fragilis [Internet]. In: Johns Hopkins ABX Guide. The Johns Hopkins University; 2019. [cited 2019 November 11]. Available from: https://peds.unboundmedicine.com/pedscentral/view/Johns_Hopkins_ABX_Guide/540052/all/Bacteroides_fragilis.
* Article titles in AMA citation format should be in sentence-case
TY - ELEC
T1 - Bacteroides fragilis
ID - 540052
A1 - Bartlett,John,M.D.
AU - Fabre,Valeria,M.D.
Y1 - 2019/02/06/
BT - Johns Hopkins ABX Guide
UR - https://peds.unboundmedicine.com/pedscentral/view/Johns_Hopkins_ABX_Guide/540052/all/Bacteroides_fragilis
PB - The Johns Hopkins University
DB - Pediatrics Central
DP - Unbound Medicine
ER -