Inhibition of cell wall synthesis: Inhibition of protein synthesis: Penicillins,cephalosporins. Chloramphenicol.erythromycin. bacitracin,vancomycin tetracyclines,streptomycin Transcription Translation DNA mRNA Protein Replication Inhibition of nuclelc acid Enzymatic replication and activity. transcription: synthesis of Quinolones. essential rifampin metabolites Injury to plasma membrane: Inhibition of synthesis Polymyxin B of essential metabolites: Sulfanilamide,trimethoprim1.概述 分类 根据抗生素的作用机制分类 抑制细胞壁合成 ： 青霉素 抑制细胞膜功能 ：多烯类抗生素 抑制蛋白质合成 ： 四环素 抑制核酸合成 ： 丝裂霉素