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异黄酮的生物合成途径及其调控 被引量:18

The pathway of isoflavone biosynthesis and its regulation
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摘要 异黄酮是一类次级代谢产物,大多存在于豆科植物中,是苯丙烷类代谢途径的一个分支。异黄酮生物合成的关键酶包括苯丙氨酸解氨酶(PAL)、查尔酮合酶(CHS)、查尔酮异构酶(CHI)、异黄酮合酶(IFS),能够在转录和转录后水平对异黄酮的生物合成进行调控,在转录水平上诱导它的生物合成的因素包括代谢工程的方法、光照、昼夜规则、茉莉酮化合物等。在豆科植物中提高异黄酮的产量和在非豆科植物中产生异黄酮将对农业和食品业产生重大的影响。 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 phenylalanine 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 agrono- mic and nutritional impact.
出处 《东北农业大学学报》 CAS CSCD 2007年第5期692-696,共5页 Journal of Northeast Agricultural University
基金 黑龙江省教育厅资助课题 黑龙江省农垦总局博士后资助课题
关键词 异黄酮 生物合成途径 关键酶 调控 isoflavone pathway of biosynthesis key enzyme regulation
作者简介 马君兰(1982-),女,辽宁人,硕士研究生,研究方向为植物生物化学与分子生物学。E-mail:majunlan8296@163.com 通讯作者E-mail:yuezha02005@hotmail.com
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参考文献18

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二级参考文献65

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