Microorganisms4 sources
Bacteroides
This knowledge-base record is being expanded from WikiBiome’s evidence graph.
Search: “PSA”
Ranked matches across titles, topics, categories, and article introductions.
3 records in this view
B
Microorganisms9 sources
Bacteroides fragilis
A Gram-negative obligate anaerobe and the most clinically significant member of the Bacteroides genus. B. fragilis occupies a unique dual position in gut microbiology: as a non-toxigenic commensal (NTBF), it produces polysaccharide A (PSA) that shapes immune tolerance; …
S
Microorganisms6 sources
Streptococcus
A genus of Gram-positive facultative anaerobes that occupy niches ranging from benign commensals (dental plaque, skin) to acute pathogens (pharyngitis, impetigo, invasive disease). Streptococci are uniquely manganese-dependent for catalytic scavenging of reactive oxygen…