辣椒红色素及其生物合成的分子机理研究进展

Research Progress on Pepper Main Red Pigments and Their Molecular Mechanisms of Biosynthesis

辣椒红色素包括辣椒红素和辣椒玉红素,是类胡萝卜素生物合成途径的后期产物,是红色辣椒成熟果实品质的重要组成部分,并具有广泛的应用价值。近年来辣椒红色素及其生物合成的分子生物学机理研究取得了重要进展。本文中较系统地介绍了辣椒红色素的作用、影响因素、分子标记、基因定位、基因表达、生物合成路径、结构基因的功能鉴定、生物合成和降解、储存调控、利用基因工程技术进行生物生产等方面的研究进展。

Main pepper red pigments include capsanthin and capsorubin,which are the late products of carotenoids biosynthesis pathway.They are important components of the ripe fruit quality of red pepper,and have a wide range of applications.In recent years,important progress has been achieved in the health-promoting function of pepper red pigments and their molecular mechanism of metabolism.This article systematically introduces the pepper red pigments’utilization as food additive,health-care and medicine resources,factors affecting the content,the related molecular markers,gene locations,biosynthesis pathways,functional characterization of the structural genes,and the regulation of their biosynthesis-biodegradation and storage.At the end the production of pepper red pigments in other organisms using genetic engineering technologies were summarized.