Effect of ammonia concentration on activity of enzymes of ammonia assimilation and on synthesis of amino acids by mixed rumen bacteria in continuous culture.

Alanine Transaminase/metabolism Amino Acids/biosynthesis Ammonia/metabolism Animals Aspartate Aminotransferases/metabolism Aspartate-Ammonia Ligase/metabolism Bacteria/enzymology Cattle/microbiology Female Fermentation Glutamate Dehydrogenase/metabolism Glutamate Synthase/metabolism Glutamate-Ammonia Ligase/metabolism Rumen/microbiology

Amino Acids Ammonia Glutamate Synthase Glutamate Dehydrogenase Aspartate Aminotransferases Alanine Transaminase Aspartate-Ammonia Ligase Glutamate-Ammonia Ligase