Related Experiment Videos
Microbiological properties of teicoplanin
1Department of Microbiology, University Hospital, Queen's Medical Centre, Nottingham, UK.
The Journal of Antimicrobial Chemotherapy
|January 1, 1988
Summary
Teicoplanin, a glycopeptide antibiotic, targets Gram-positive bacteria by inhibiting cell wall synthesis, similar to vancomycin. It shows varying efficacy against different bacteria, with resistance being difficult to induce.
Area of Science:
- Microbiology
- Pharmacology
- Infectious Diseases
Background:
- Teicoplanin is a glycopeptide antibiotic.
- It is structurally related to vancomycin.
- Both antibiotics target the bacterial cell wall component, acyl-D-alanyl-D-alanine.
Purpose of the Study:
- To compare the spectrum of activity of teicoplanin and vancomycin.
- To investigate factors influencing teicoplanin's efficacy.
- To assess the potential for resistance development.
Main Methods:
- Comparative analysis of antibiotic activity against Gram-positive bacteria.
- Evaluation of teicoplanin's performance against various bacterial strains, including Staphylococcus aureus.
- Assessment of inoculum size and culture media effects on teicoplanin activity.
Main Results:
- Teicoplanin and vancomycin are effective against Gram-positive aerobic and anaerobic bacteria.
- Teicoplanin demonstrates greater activity against streptococci and Gram-positive anaerobes.
- Similar activity was observed against Staphylococcus aureus, including methicillin-resistant strains, while vancomycin was more potent against some coagulase-negative staphylococci.
Conclusions:
- Teicoplanin exhibits a distinct activity profile compared to vancomycin.
- Bacterial resistance to both antibiotics is challenging to induce and reversible.
- Factors like inoculum size and culture media can influence teicoplanin's effectiveness.