TABLE 1.
Organism | Polymer | Operon | Structure |
---|---|---|---|
Aspergillus fumigatus | GAG | NAa | Partially deacetylated α-1,4-linked heteroglycan of Gal and GalNAc |
Pseudomonas aeruginosa | Pel | pel | Partially deacetylated 1,4-heteroglycan of GlcNAc and GalNAc |
Listeria monocytogenes | EPS | pss | β-1,4-Linked N-acetylmannosamine chain decorated with terminal α-1,6-linked Gal; possibly partially deacetylated |
Streptococcus thermophilus | EPS | eps | Tetrasaccharide repeat with 1,3-linked β-Gal, β-Glc, and α-GalNAc with Gal α-1,6 linked to the central Glc |
Staphylococcus epidermidisb | PNAG | ica | Partially deacetylated β-1,6-linked GlcNAc |
Escherichia colib | PNAG | pga | Partially deacetylated β-1,6-linked GlcNAc |
a NA, not applicable.
b These species are included as Gram-positive and Gram-negative examples of the range of microorganisms that produce PNAG.