Term Name:	O antigen biosynthetic process
Synonyms:	O antigen anabolism, O antigen biosynthesis, O antigen formation, O antigen synthesis
Definition:	The chemical reactions and pathways resulting in the formation of the O side chain of a lipopolysaccharide, which determines the antigenic specificity of the organism. It is made up of about 50 repeating units of a branched tetrasaccharide.
Ontology:	GO: Biological Process [GO:0009243]    QuickGO    AmiGO