Assertion: gene's product | /r/CapableOf | play important role
Facets:
value: in genetically susceptible hosts
type: LOCATION
value: in virulence
type: LOCATION
Source sentences:
text: Because there would be no evolutionary advantage to a pathogen keeping a protein that only serves to have it recognised by the plant, it is believed that the products of Avr genes play an important role in virulence in genetically susceptible hosts.