Uptake of D-xylose across the boundary membrane with the concomitant transport of protons into the cell (symport system). Glucose is not transported, but can compete for xylose binding sites and can inhibit xylose transport (in vitro). D-xylose(in) + H(+)(in) = D-xylose(out) + H(+)(out) By xylose. E.coli has two D-xylose transport systems that accumulate sugar against a concentration gradient: the XylE system which utilizes the electrochemical gradient of protons and that is insensitive to cold osmotic shock and the XylF system that uses a high-energy phosphate compound and is sensitive to cold osmotic shock. Belongs to the major facilitator superfamily. Sugar transporter (TC 2.A.1.1) family.