我们之前已经报道过SNB(多颖壳)基因，它调控着水稻小穗分生组织向花分生组织的转变。
We previously reported that SUPERNUMERARY BRACT (SNB) regulates the transition of spikelet meristems into floral meristems in rice.
花由茎顶分生组织的少数细胞分化而来。
Flowers are differentiated from a few cells on the stem apical meristem of a plant.
原分生组织具有典型分生组织的细胞特征；
Promeristem possessed the typical cell characteristics of meristem.
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