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Expression of GSFY and GSFX genes. (A) RT-PCR for GSFY and GSFX on leaf, SAM, and flower buds at different developmental stages (lengths of flower buds are indicated). (B and C) In situ hybridization images for GSFY in developing flower buds. Red signals derived from GSFY probe were detected at stages 1–2 of the developing flower buds, but not at progressed stages. Bars, 100 μm.
