Mechanism of action of specific antiserum on Pasteurella septica. Selective inhibition of net macromolecular synthesis and its reversal by iron compounds.

Amino Acids/metabolism Animals Bacterial Proteins/biosynthesis Carbon Isotopes Cell Membrane Permeability Complement System Proteins Culture Media DNA, Bacterial/biosynthesis Heme/pharmacology Horses Immune Sera/pharmacology Iron/blood,metabolism Macromolecular Substances Pasteurella/drug effects,growth & development,metabolism Phosphates/metabolism Phosphorus Isotopes RNA, Bacterial/biosynthesis

Amino Acids Bacterial Proteins Carbon Isotopes Culture Media DNA, Bacterial Immune Sera Macromolecular Substances Phosphates Phosphorus Isotopes RNA, Bacterial Heme Complement System Proteins Iron