Fig. 1From: Transgene silencing of sucrose synthase in alfalfa (Medicago sativa L.) stem vascular tissue suggests a role for invertase in cell wall cellulose synthesisHistochemical GUS staining of alfalfa stem tissue expressing the PEPC7-P4::GUS construct. a, root; (b), nodule; (c), transverse section of elongating stem (ES) internode; (d), transverse section of post-elongation stem (PES) internode. Scale bar represents 1 mmBack to article page