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. 2016 Nov 15;173(1):307–325. doi: 10.1104/pp.16.00629

Figure 11.

Figure 11.

Model for the role of IPE1 during anther cuticle and pollen exine development. C16/C18 fatty acids synthesized in the plastid are transported to the endoplasmic reticulum and hydroxylated to ω-hydroxy C16/C18 fatty acids by MS26. After IPE1 and an aldehyde dehydrogenase reaction, ω-hydroxy C16/C18 fatty acids are converted to C16/C18 diacids. ω-Hydroxy C16/C18 fatty acids and C16/C18 diacids are required for anther cuticle and pollen exine formation. The product formed by MS45 is involved in the maturation of the anther cuticle and thickening of the pollen exine.