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Figure 3 | BMC Plant Biology

Figure 3

From: Identification of microspore-active promoters that allow targeted manipulation of gene expression at early stages of microgametogenesis in Arabidopsis

Figure 3

In situ GUS expression driven by three promoters, MSP1 (A, D, G, J, M, P, S and V), MSP2 (B, E, H, K, N, Q, T and W) and MSP3 (C, F, I, L, O, R, U and X). GUS staining in whole inflorescences (A, B, C); transverse sections of whole anthers (D, E, F); five-day (S, T, U) and ten-day old (V, W, X) seedlings. Light and DAPI-stained fluorescence images of mature pollen (G, H, I), immature tricellular pollen (J, K, L) bicellular pollen (M, N, O) and uninucleate microspores (P, Q, R) are shown.

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