Johns Hopkins ABX Guide
Mycoplasma genitalium
MICROBIOLOGY
- Aerobic, fastidious organism, member of the Mollicutes.
- Difficult to cultivate.
- Grows very slowly (≥2 days to detect any colonies and longer to identify species). Colonies have a "fried egg" appearance on agar (denser in the center and less dense in the periphery).
- Differ from bacteria due to smaller size, presence of sterols in the membrane and lack of a cell wall. The latter makes them intrinsically resistant to penicillin and other agents that target the cell wall.
- Colonizes male and female genitourinary tract.
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Last updated: February 5, 2023
Citation
Fabre, Valeria. "Mycoplasma Genitalium." Johns Hopkins ABX Guide, The Johns Hopkins University, 2023. Pediatrics Central, peds.unboundmedicine.com/pedscentral/view/Johns_Hopkins_ABX_Guide/540643/all/Mycoplasma_genitalium.
Fabre V. Mycoplasma genitalium. Johns Hopkins ABX Guide. The Johns Hopkins University; 2023. https://peds.unboundmedicine.com/pedscentral/view/Johns_Hopkins_ABX_Guide/540643/all/Mycoplasma_genitalium. Accessed May 17, 2025.
Fabre, V. (2023). Mycoplasma genitalium. In Johns Hopkins ABX Guide. The Johns Hopkins University. https://peds.unboundmedicine.com/pedscentral/view/Johns_Hopkins_ABX_Guide/540643/all/Mycoplasma_genitalium
Fabre V. Mycoplasma Genitalium [Internet]. In: Johns Hopkins ABX Guide. The Johns Hopkins University; 2023. [cited 2025 May 17]. Available from: https://peds.unboundmedicine.com/pedscentral/view/Johns_Hopkins_ABX_Guide/540643/all/Mycoplasma_genitalium.
* Article titles in AMA citation format should be in sentence-case
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PB - The Johns Hopkins University
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