Assertion: arginine's role | /r/CapableOf | defend against pathogen
Facets:
value: directly
type: MANNER
Source sentences:
text: When the gut flora first started to be studied, it was thought to have three key roles: directly defending against pathogens, fortifying host defense by its role in developing and maintaining the intestinal epithelium and inducing antibody production there, and metabolizing otherwise indigestible compounds in food; subsequent work discovered its role in training the developing immune system, and yet further work focused on its role in the gut-brain axis.