Figure 4.

Photosynthetic carbohydrate content in leaves of GMA and WT plants and diurnal expression profiles of OsGLO1 and the key photorespiratory genes SHMT1 and HPR1 in GMA rice.

(A) Accumulation of starch assessed by iodine staining.

(B and C) Sucrose and fructose contents in leaves of WT and GMA lines.

(D and E) Transmission electron micrographs of WT and GMA leaves at the filling stage.

(F) Diurnal expression profile of transgene-specific OsGOL1 (GLO1-S) under ambient conditions.

(G) Comparative analysis of the diurnal expression profiles of GLO1-S and total OsGOL1 (GLO1-T) under ambient conditions.

(H) Diurnal changes in the GLO1-S/GLO1-T ratio.

(I) Diurnal expression profiles of two additional key photorespiratory genes, OsSHMT1 and OsHPR1.