You are characterizing a mutant of S. aureus. The mutation affects the cell wall so that the cells make only a thin layer of peptidoglycan (making up about 20% of the cell wall). What would you expect...

You are characterizing a mutant of S. aureus. The mutation affects the cell wall so that the cells make only a thin layer of peptidoglycan (making up about 20% of the cell wall). What would you expect the result to be for treatment with each of the following antibiotics: penicillin, tetracycline, erythromycin, and vancomycin?