Term Name:	'de novo' NAD biosynthetic process
Synonyms:	de novo NAD biosynthetic process
Definition:	The chemical reactions and pathways resulting in the formation of nicotinamide adenine dinucleotide (NAD), beginning with the synthesis of tryptophan or aspartate from simpler precursors; biosynthesis may be of either the oxidized form, NAD, or the reduced form, NADH.
Ontology:	GO: Biological Process [GO:0034627]    QuickGO    AmiGO