Expression pattern of MOF1. A, MOF1 expression in different tissues and organs as detected by RT-qPCR. B, GUS staining of root. C, GUS staining of culm. D, GUS staining of leaf. E, GUS staining of leaf sheath. F and G, GUS staining of panicles in different developmental stages. H to L, In situ hybridization in panicles and flowers of the wild type using a MOF1 antisense probe. R, Root; C, culm; L, leaf; SH, sheath; 0.5P, 0.5-cm panicle; 0.5-2P, 0.5 to 2 cm panicle; 2-5P, 2- to 5-cm panicle. fm, Floral meristem; le and LE, lemma; lo and LO, lodicule; pa and PA, palea; pi and PI, pistil; sl and SL, sterile lemma; sm, spikelet meristem; st and ST, stamen. Red arrows indicate the signals. Bars = 1 cm (B–G) and 50 µm (H–L). Data are means ± sd (n = 3).