1.2.1.74 Diterpenoid resin acid biosynthesis in conifers: characterization of two cytochrome P450-dependent monooxygenases and an aldehyde dehydrogenase involved in abietic acid biosynthesis Abies grandis 1.2.1.74 Regulation of oleoresinosis in grand fir (Abies grandis). Coordinate induction of monoterpene and diterpene cyclases and two cytochrome P450-dependent diterpenoid hydroxylases by stem wounding Abies grandis