Assertion: e. coli | /r/HasProperty | commensal
Facets:
value: usually
type: DEGREE
Source sentences:
text: As E. coli is both a pathogen and a commensal and is easy to isolate and grow in the laboratory, it has been used as a model in population genetics studies for decades, and researchers have benefited from each conceptual or technical advance.
text: Escherichia coli are usually commensal bacteria, harmlessly colonizing the gastrointestinal tract of mammals, where they exert an advantageous effect on the host.
text: Escherichia coli may be a commensal bacterium or it may cause several infections in humans and animals (Backer, 2015).