Root

1. 12 OsGSTF12 OsGSTF17 10 8 6 4 2 0 YL P1 P2 P3 P4 P5 P6 S1 S2 S3 S4 S5 ML Ovary Stigma Root SAM YL YL YL P1 P1 P1 P2 P2 P2 P3 P3 P3 P4 P4 P4 P5 P5 P5 P6 P6 P6 S1 S1 S1 S2 S2 S2 S3 S3 S3 S4 S4 S4 S5 S5 S5 ML ML ML Ovary Ovary Ovary Stigma Stigma Stigma Root Root Root SAM SAM SAM 14 12 10 8 OsEF1G1 OsEF1G2 6 4 2 0 14 12 10 8 OsGSTF6 OsGSTF14 6 4 2 0 9 8 7 6 5 OsGSTU51 OsGSTU52 4 3 2 1 0 Additional file 7. Expression patterns of duplicated GST genes. The average log signal values (from three biological replicates) for each gene in all the samples analyzed is presented on Y-axis. A) Expression patterns of gene pairs present on duplicated chromosomal segments

2. 12 10 8 OsGSTF5 14 OsGSTF1 6 OsGSTF7 12 OsGSTF8 OsGSTF9 4 10 OsGSTF10 OsGSTF13 8 2 OsGSTZ1 OsGSTZ2 6 0 4 2 0 YL YL YL YL YL YL P1 P1 P1 P1 P1 P1 P2 P2 P2 P2 P2 P2 P3 P3 P3 P3 P3 P3 P4 P4 P4 P4 P4 P4 P5 P5 P5 P5 P5 P5 P6 P6 P6 P6 P6 P6 S1 S1 S1 S1 S1 S1 S2 S2 S2 S2 S2 S2 S3 S3 S3 S3 S3 S3 S4 S4 S4 S4 S4 S4 S5 S5 S5 S5 S5 S5 ML ML ML ML ML ML Ovary Ovary Ovary Ovary Ovary Ovary Stigma Stigma Stigma Stigma Stigma Stigma Root Root Root Root Root Root SAM SAM SAM SAM SAM SAM OsGSTU2 9 OsGSTU3 14 OsGSTU4 8 OsGSTU8 12 OsGSTU10 7 OsGSTU12 OsGSTU13 6 10 OsGSTU14 OsGSTU15 5 OsGSTU39 8 OsGSTU18 OsGSTU40 4 OsGSTU19 6 OsGSTU20 3 OsGSTU21 OsGSTU23 4 2 OsGSTU24 OsGSTU26 1 OsGSTU28 2 OsGSTU29 0 OsGSTU30 0 OsGSTU47 OsGSTU48 OsGSTU49 OsGSTU50 10 9 8 7 OsGSTU7 OsGSTU35 6 OsGSTU36 5 OsGSTU37 4 OsGSTU41 OsGSTU42 3 2 1 0 14 12 10 OsGSTF3 8 OsGSTF14 OsGSTF15 6 OsGSTF16 4 2 0 B) Expression patterns of six clusters of tandemly arranged GST genes