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