Any process that stops, prevents or reduces the frequency, rate or extent of polyketide biosynthetic process.
Synonyms:
exact_synonym:
down regulation of polyketide anabolism; down regulation of polyketide biosynthesis; down regulation of polyketide biosynthetic process; down regulation of polyketide formation; down regulation of polyketide synthesis; downregulation of polyketide anabolism; downregulation of polyketide biosynthesis; downregulation of polyketide biosynthetic process; downregulation of polyketide formation; downregulation of polyketide synthesis; inhibition of polyketide anabolism; inhibition of polyketide biosynthesis; inhibition of polyketide formation; inhibition of polyketide synthesis; negative regulation of polyketide anabolism; negative regulation of polyketide biosynthesis; negative regulation of polyketide formation; negative regulation of polyketide synthesis