New antibiotics, such as tetracycline, erythromycin, and methicillin were developed, and there was new hope that infectious diseases could be vanquished. But, once again, problems of bacterial ...

Methicillin-resistant S ... aureus, have been recently developed. Novel antibiotics, such as linezolid, daptomycin and tigecycline, have been successfully introduced into clinics.

1b). Remarkably, the latter two new classes of tetracyclines showed potent antimicrobial activity against bacteria known to be resistant to tetracycline, penicillin, methicillin and/or vancomycin.

The number of resistant strains has increased, partly due to the overuse and misuse of antibiotics. This has resulted in more infections that are difficult to control. MRSA is methicillin ...

Scientists have discovered the mechanism which allows the superbug Methicillin Resistant Staphylococcus aureus (MRSA) to become highly resistant to antibiotics, paving the way for new approaches ...

Mutations — distortions in bacterial genetic material — can cause bacteria to acquire proteins that pump the antibiotic out ...