Assertion: polysaccharide's role | /r/HasProperty | key
Facets:
Source sentences:
text: However, 53 staphylococcal genomes, largely comprising strains of the human pathogen Staphylococcus aureus, were found from our accompanying bioinformatics analysis to possess operons involved in the production of the extracellular polysaccharide PNAG [ 25 ], which likely reflects its key role in virulence [ 36 ].
text: Polysaccharides play a key role in biological recognition and have been used as vaccines against bacterial infections.