The Plant Cell, Vol. 11, No. 1 (Jan., 1999), pp. 127-140 (14 pages) Phloem-specific proteins (P proteins) are particularly useful markers to investigate long-distance trafficking of macromolecules in ...
During growth of Ricinus communis seedlings, magnesium ions are mobilized in the endosperm, taken up by and accumulated to very high levels (150 μmol · g FW-1) in the cotyledons, and translocated to ...