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Figure 3 | BMC Plant Biology

Figure 3

From: Identification of transcription-factor genes expressed in the Arabidopsis female gametophyte

Figure 3

Expression patterns of transcription-factor promoter:n1GFP/n2GFP fusions in the mature female gametophyte. (A) pAT5G50490:n1GFP expression in the central cell. (B) pAT5G45980:n1GFP (WOX8) expression in the egg cell. (C) pAT5G56200:n1GFP expression in the antipodal cells. (D) pAT1G60280:n1GFP (NAC23) expression primarily in the synergid cells with weaker activity in the egg cell. (E) pAT2G33710:n1GFP expression primarily in the egg cell with weaker activity in the synergid cell. (F) pAT3G01030:n2GFP expression primarily in the synergid cells with weaker activity in the central cell and the sporophytic cells of the integument and funiculus. Each panel contains an epifluorescence image (top) and an overlay (bottom) of the epifluorescence and a bright-field image of the same ovule. acn, antipodal cell nuclei; ccn, central cell nucleus; ecn, egg cell nucleus; scn, synergid cell nuclei. Scale bars: 50 μm.

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