the activities of the enzymes [ udp-d-galactose 4-epimerase ( ec 5.1.3.2 ) 8 udp-l-arabinose 4-epimerase ( ec 5.1.3.5 ) , udp-d-glucose dehydrogenase ( ec 1.1.1.22 ) and udp-d -- glucuronate decarboxylase ( ec 4.1.1.35 ) ] were measured in cambial cells , differentiating xylem cells and differentiated xylem cells isolated from sycamore and poplar trees , and phloem cells from poplar .
C0007589
differentiated
C0007634
cells