Morganella
MICROBIOLOGY
- Facultative anaerobic, nonencapsulated Gram-negative rod [M. morganii].
- Morganella only has a single member in its genus M. morganii and two subspecies: M. morganii and M. sibonii, which differ only in trehalose fermentation.
- Antimicrobial susceptibility:
- Naturally resistant to penicillin, ampicillin, first- and second-generation cephalosporins, fosfomycin, and macrolides.
- Beta-lactamase is inducible, AmpC type but less commonly seen than with Enterobacter and Serratia.
- Tigecycline is not reliably effective due to the ArcAB efflux pump, although it may show synergy in vitro with other antimicrobials[9].
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Last updated: February 7, 2023
Citation
Fabre, Valeria. "Morganella." Johns Hopkins ABX Guide, The Johns Hopkins University, 2023. Pediatrics Central, peds.unboundmedicine.com/pedscentral/view/Johns_Hopkins_ABX_Guide/540354/all/Morganella.
Fabre V. Morganella. Johns Hopkins ABX Guide. The Johns Hopkins University; 2023. https://peds.unboundmedicine.com/pedscentral/view/Johns_Hopkins_ABX_Guide/540354/all/Morganella. Accessed December 13, 2024.
Fabre, V. (2023). Morganella. In Johns Hopkins ABX Guide. The Johns Hopkins University. https://peds.unboundmedicine.com/pedscentral/view/Johns_Hopkins_ABX_Guide/540354/all/Morganella
Fabre V. Morganella [Internet]. In: Johns Hopkins ABX Guide. The Johns Hopkins University; 2023. [cited 2024 December 13]. Available from: https://peds.unboundmedicine.com/pedscentral/view/Johns_Hopkins_ABX_Guide/540354/all/Morganella.
* Article titles in AMA citation format should be in sentence-case
TY - ELEC
T1 - Morganella
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A1 - Fabre,Valeria,M.D.
Y1 - 2023/02/07/
BT - Johns Hopkins ABX Guide
UR - https://peds.unboundmedicine.com/pedscentral/view/Johns_Hopkins_ABX_Guide/540354/all/Morganella
PB - The Johns Hopkins University
DB - Pediatrics Central
DP - Unbound Medicine
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