Assertion: cyanobacteria's structure | /r/HasProperty | essential
Facets:
value: almost certainly
type: DEGREE
value: often
type: DEGREE
value: for the virulence of pathogens
type: PURPOSE
Source sentences:
text: Many types of secretion systems are known and these structures are often essential for the virulence of pathogens, so are intensively studied.
text: Bacteria lack much of the duplication and unecessary genetic structure found in other organisms, however, it is now known that this duplicated structure was almost certainly essential for early life to evolve.