... 1973) Laminarin, a linear glucan containing mainly &D-(1-3) linked glucose, with some p-~-(1+6) branching points, is found in Laminaria, a brown seaweed Mannans, in which mannose units are linked ... by staining the pollen with iodine reagent (Wx pollen, containing normal starch, stains black; wx pollen, lacking amylose, stains red) and, by counting the frequency of the wild-type recombinants, ... chromatography (using pulsed amperometric detection) of the linear chains obtained by debranching of amylopectin using isoamylase The numbers indicate the degree of polymerization of the linear chains and...