Analysis of a xyloglucan endotransglycosylase/hydrolase (XTH) from the lycopodiophyte Selaginella kraussiana suggests that XTH sequence characteristics and function are highly conserved during the evolution of vascular plants. - Van Sandt,V..; Guisez,Y..; Verbelen,J.-P..; Vissenberg,K.. (The Journal of Experimental Botany, 2006)