Assertion: melanin | /r/HasProperty | formed in many bacterial species
Facets:
value: as hardening exocuticle
type: MANNER
value: extracellularly
type: MANNER
Source sentences:
text: Melanin is also formed extracellularly in insects, plants, and many bacterial species, where the enzyme and/or the precursors are secreted to give place to melanogenesis for defensive purposes, as hardening exocuticle, cell walls, and even neutralizing host defenses in pathogenic species.