摘要
异黄酮是豆类植物体内形成的一类次生代谢产物。它主要参与组织和病源微生物的互作及防御反应,具有诱导根瘤菌结瘤、抗病源菌、抗雌激素、抗氧化、抗溶血等生理功能,特别是在人类抗肿瘤活性方面具有十分重要作用而受到人们的普遍关注。本文从异黄酮的结构和功能、调控路径及关键酶等方面综述了异黄酮在豆类和非豆类植物中的研究概况。通过转基因的方法探讨非豆类植物包括单子叶和双子叶植物的异黄酮合成和调控水平,为有目的调控异黄酮在不同组织中的含量提供理论依据。
Isoflavonoids present a class of secondary metabolites produced in leguminous plants, where they involve in interactions with oth- er organisms, participate in the defense responses, induce nodulation, and also show to act as antimicrobial, antiestrogenic, antioxidative antihemolytic activity etc. Especially, the anticancer activity is one of the most important functions for human health. This paper reviewed the structures and functions, biosynthetic pathway, key enzymes of isoflavone in legumes and non-legumes. According to transgenic approach, we also discussed the synthesis and regulation of isoflavone in the monocot and dicot plants in order to regulate purposively the isoflavone content in various plant tissues.
出处
《西南农业学报》
CSCD
2005年第5期663-667,共5页
Southwest China Journal of Agricultural Sciences
关键词
异黄酮
转基因
代谢
调控
isoflavone
transgenie plants
mechanism
regulation
