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. 2013 Dec 31;8(12):e83990. doi: 10.1371/journal.pone.0083990

Figure 6. Histochemical staining of GUS activity in rice plants transformed with the construct OsNRAMP3-promoter:GUS.

Figure 6

(A) Root tip; (B) mature root at 2 cm from tip; (C) lateral root; (D) leaf sheath, ligule and auricle; (E) leaf blade; (F) partly enlarged view of E; (G) hull at heading stage; (H) endosperm and hull at 25 d after heading; (I) transverse section of root, as described in B; (J) high-magnification of I; (K) transverse section of leaf blade, as described in E; (L) detail of a large vascular bundle from K; (M) enlarged view of phloem region of L; and (N) high-magnification of a small vascular bundle from K. All samples except hulls and endosperm were harvested from rice plants grown hydroponically for three weeks under normal conditions. CV: commissural vein; SV: small vascular bundle; LV: large vascular bundle; xy: xylem; ph: phloem; cc: companion cells.