Queried GO term:

  idGO:0002221   Detailed information
  namepattern recognition receptor signaling pathway
  namespacebiological_process
  def"Any series of molecular signals generated as a consequence of binding to a cell surface or intracellular pattern recognition receptor (PRR). Such receptors bind for molecular patterns based on a repeating or polymeric structures, like those of polysaccharides or peptidoglycans, which are sometimes associated with potential pathogens." [GOC:add, ISBN:0781735149, PMID:15199967]
  is_aGO:0002758 ! innate immune response-activating signal transduction

No monarch genes has the input GO term: GO:0002221.