fig2

Figure 2. (A) A schematic overview of the PUL required for starch utilisation (Sus) in B. thetaiotaomicron VPI-5182. The substrate is bound by lipoproteins at the cell surface, where it is initially degraded to oligosaccharides and then transported to the periplasm, where it is further hydrolysed to monosaccharides which can then be transported into the cytoplasm of the cell. (B) Genomic content of B. thetaiotaomicron VPI-5182 PUL in its action on starch. PUL: Polysaccharide utilisation loci.