negative regulation of polyamine biosynthetic process
Any process that stops, prevents, or reduces the frequency, rate or extent of polyamine biosynthesis. Polyamine biosynthesis is the chemical reactions and pathways resulting in the formation of polyamines, any organic compound containing two or more amino groups.
GO:0009890
negative regulation of biosynthetic process
is_a
GO:0010967
regulation of polyamine biosynthetic process
is_a
GO:0033239
negative regulation of amine metabolic process
is_a
GO:0006596
polyamine biosynthetic process
negatively_regulates
SPBC577.14c