Queried GO terms:

  idGO:0050686   Detailed information
  namenegative regulation of mRNA processing
  namespacebiological_process
  def"Any process that stops, prevents, or reduces the frequency, rate or extent of mRNA processing." [GOC:ai]
  subsetgosubset_prok
  synonym"down regulation of mRNA processing" EXACT []
  synonym"down-regulation of mRNA processing" EXACT []
  synonym"downregulation of mRNA processing" EXACT []
  synonym"inhibition of mRNA processing" NARROW []
  is_aGO:0050684 ! regulation of mRNA processing
  is_aGO:0051253 ! negative regulation of RNA metabolic process
  intersection_ofGO:0065007 ! biological regulation
  intersection_ofnegatively_regulates GO:0006397 ! mRNA processing
  relationshipnegatively_regulates GO:0006397 ! mRNA processing

No monarch genes has this GO term.