A semisynthetic penicillin having a broader antibacterial spectrum of action that than of penicillin G. It is effective against gram-negative and gram-positive bacteria and used to treat gonorrhea and infections of the intestinal, urinary, and respiratory tracts.
The ampicillin transfer via plasmid was successful in creating cells that were formerly killed by ampicillin.
by Julian April 04, 2005

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