The specified floral meristem will develop a pre-established number of floral organs and, thus, terminate the floral meristematic cells. The floral meristematic pool of cells is controlled, among some others, by WUSCHEL (WUS) and AGAMOUS (AG) transcription factors (TFs). Here, we demonstrate that the () gene, a cell proliferation regulator, starts to be expressed since the floral meristem specification of and is expressed in all floral meristematic cells.
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