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Figure 5 | BMC Plant Biology

Figure 5

From: Overexpression of a truncated CTF7 construct leads to pleiotropic defects in reproduction and vegetative growth in Arabidopsis

Figure 5

Phenotypes of 35S:NTAP:AtCTF7∆B ovules from Line 15. (A-C) Pre-meiotic 35S:NTAP:AtCTF7∆B ovules containing abnormal enlarged cells (white arrows) adjacent to megaspore mother cell-like cells (MMC like; black arrows). (D) Pre-meiotic ovule containing a MMC with degenerating nucleus. (E-Q) Meiotic ovules containing abnormal enlarged cells (white arrows) adjacent to DMs (stars). Cells with functional megaspore-like (FML) characteristics are indicated by black arrows in F, G, H and Q. The abnormal cell in Q contains two nuclei (white arrows). (R-S) Post-meiotic ovules containing FMLs. (R) The FML is associated with abnormal cells, which are not degenerating (white arrows). (S) Extra cells/nuclei are present between the DM (star) and FML. (T) Ovule containing two abnormal cells (white arrows) adjacent to the DM (star). (U-V) Post-meiotic ovules containing female gametophytes with one nucleus. DM, degenerated megaspore are denoted by stars; FML, functional megaspore like; MMC, megaspore mother cell. Size bars, 10 μm.

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