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Ultrastructure and viability of E. coli treated fosfomycin
Zentralblatt Fur Bakteriologie, Parasitenkunde, Infektionskrankheiten Und Hygiene. Erste Abteilung Originale. Reihe A: Medizinische Mikrobiologie Und Parasitologie
|October 1, 1979
Summary
Fosfomycin exhibits bactericidal effects against E. coli. Its effectiveness, measured by turbidity and colony-forming units, varies with concentration and time, impacting cell structure.
Area of Science:
- Microbiology
- Pharmacology
Background:
- Escherichia coli (E. coli) is a common bacterium.
- Antibiotic resistance is a growing global health concern.
Purpose of the Study:
- To investigate the bactericidal action of Fosfomycin against E. coli ATCC 10536.
- To determine the time- and concentration-dependent effects of Fosfomycin on E. coli.
Main Methods:
- Turbidity measurements to assess bacterial growth inhibition.
- Colony-forming unit (CFU) counts to quantify viable bacteria.
- Electron microscopy to observe ultrastructural changes in E. coli cells.
Main Results:
- Fosfomycin demonstrated bactericidal activity against E. coli at 6 microgram/ml.
- The onset of bactericidal action varied with Fosfomycin concentration and detection method.
- Ultrastructural alterations, including cell elongation and disorganization, were observed.
Conclusions:
- Fosfomycin effectively kills E. coli in a concentration-dependent manner.
- The observed morphological changes indicate Fosfomycin's impact on bacterial cell integrity.
- This study provides insights into Fosfomycin's mechanism of action against E. coli.