Assertion: fibril's role | /r/HasProperty | positive
Facets:
Source sentences:
text: Increasingly amyloid fibrils are being discovered in nature where they may demonstrate a positive role, as structures that help bacteria to colonize new surfaces (Chapman et al., 2002), as bacterial extensions that modify surface tension (Claessen et al., 2003; Talbot, 2003), and as structures that aid the polymerization of melanin in our own cells (Fowler et al., 2006).