Antibiotic selection in molecular cloning is not merely a preliminary judgment based on the presence or absence of colonies. Rather, it is a fundamental control point for plasmid maintenance stability, insert integrity, dual-plasmid coexistence, and the reliability of downstream expression. ...
Ampicillin is a β-lactam antibiotic in the penicillin class, specifically an aminopenicillin. Its core pharmacological mechanism is inhibition of bacterial cell-wall peptidoglycan synthesis and crosslinking, resulting in bactericidal activity. Clinically, it can be used to treat infections ...
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