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Figure 4


Fig. 4. The meiotic cell cycle is significantly delayed at the anaphase-II–telophase-II transition in smg7 mutants. (A) Frequency of different stages of meiosis in developing floral buds. The total number of meiocytes is indicated below each pie chart. Nearly identical frequencies of prophase I stages in wild-type and smg7-1 0.1- to 0.3-mm buds demonstrate that progression of early meiosis correlates with flower development in smg7 mutants. (B) Deposited sporopollenin (green) on the surface of wild-type mononuclear microspore and smg7-1 polyad. DNA is counterstained with DAPI (red). Scale bars: 5 µm.





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