The Chemical Reactions and Pathways Resulting in the Breakdown of a Beta Lactam Antibiotic Any Member of a Class of Natural or Semisynthetic Antibiotics Whose Characteristic Feature Is a Strained Four Membered Beta Lactam Ring. They Include the Penicillins and Many of the Cephalosporins.
Any Process That Results in a Change in State or Activity of a Cell or an Organism (in Terms of Movement Secretion Enzyme Production Gene Expression Etc.) As a Result of an Antibiotic Stimulus. an Antibiotic Is a Chemical Substance Produced by a Microorganism Which Has the Capacity to Inhibit the Growth of or to Kill Other Microorganisms.