Immunolocalization of CCoAOMT in transversal
sections of poplar stem by light microscopy. A, Young stem of
3-month-old greenhouse-grown poplar. B, Xylem tissue of the middle part
of a 3-month-old greenhouse-grown poplar stem. C and D, Bark tissue of
old and young stem. E, Stem of transgenic poplar down-regulated for
CCoAOMT. F, Bent stem. G, Leaned stem. H, Control section treated with
preimmune serum. Co, Cortex; CR, contact ray cell; CZ, cambial zone;
Ep, epidermis; F, phloem; MPF, mature phloem fibers; Pe, periderm; PF,
phloem fibers; Ph, phellem; Pi, pith; PX, primary xylem; SR, storage
ray cell; V, vessel; X, xylem; XF, xylem fiber. Bars = 100 μm.