Transcript
Chapter 17 (Part 1)
Amino Acid Metabolism:Nitrogen Assimilation
and Amino Acid Biosynthesis
Nitrogen Cycle
Nitrogenase
Nitrate and Nitrite to Ammonia
Ammonia Assimilation
Glutamate Dehydrogenase
Glutamine Synthetase (GS)
Glutamine back to Glutamate
Allosteric Modulation
of GS Acitivity in Bacteria
Regulation of Bacterial
GS by Covalent
Modification
Glutamate serves as primary N- donor for AA synthesis through transamination
reactions
Transamination rxns involve Pyridoxol-phosphate and formation of Schiff Base
Essential vs. Non-Essential AA’s
Amino Acid Biosynthesis is a Diverse Process