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Figure 4 | BMC Plant Biology

Figure 4

From: Glutathione synthesis is essential for pollen germination in vitro

Figure 4

Images showing the effects of BSO and GSH treatment on pollen germination in pad2-1. Light microscopical images show pollen grains of the Arabidopsis thaliana mutant pad2-1 after 16 h incubation on solidified pollen germination media containing (a) no GSH and BSO (control), (b) 0.1 mM BSO, (c) 0.1 mM BSO and 1 mM GSH, and (d) 0.1 mM BSO and 3 mM GSH. Original images were inverted and germinating pollen grains were marked with white circles for better visualization. Bars = 100 μm.

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