Báo cáo khoa học: The first cytochrome P450 in ferns Evidence for its involvement in phytoecdysteroid biosynthesis in Polypodium vulgare
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The fernPolypodium vulgareis a phytoecdysteroid (PE)-producing plant. Cultures ofP. vulgareprothalus produce PE, whereas prothalus-derived callus cultures do not. However, this callus line can transform topically applied ecdysone (E) to 20-hydroxyecdysone (20E), which is the last step in the biosynthetic pathway of the main plant PE. This hydroxylation is cata-lysed by a cytochrome P450 enzyme.
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