The pathway of isoflavone biosynthesis and its regulation
Isoflavones are secondary metabolites found mostly in legumes. The pathway of isoflavone biosynthesis is a branch of phenylpropanoid pathway. The key enzymes of isofavone biosynthesis are phenylala-nine ammonia lyase (PAL), chalcone synthase (CHS), chalcone isomerase (CHI), isoflavone synthase (IFS). The pathway of the biosynthesis is regulated transcriptionally and posttranscriptionally. Various ways could induce the biosynthesis transcriptionally such as metabolic engineering, light, circadian regulation and jasmonoid, etc. Increasing and producing isoflavone biosynthesis in legume and non-legume crops will have significant agronomic and nutritional impact.
isoflavonepathway of biosynthesiskey enzymeregulation
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