【摘要】 薏苡在我国一直作为小杂粮种植,尽管栽培历史悠久,但缺少系统性的研究,存在起源不清、品种杂乱、种质资源丢失和利用效率低等问题。随着薏苡保健功能和癌症防治功效研究的不断挖掘与深入,以及分子生物学技术尤其是深度测序技术的普及和成本的下降,系统性研究薏苡遇到了绝好的发展契机。对薏苡的起源与分类、营养和药用价值进行了概述,从细胞学方面分析了薏苡倍性以及与玉蜀黍族玉米属、高粱属等的亲缘关系,从分子生物学方面分析了DNA分子标记、遗传图谱和基因文库在鉴别物种亲缘关系以及遗传育种等研究中的重要意义,以期为薏苡的深入研究提供理论参考。更多还原

【Abstract】 Coix lacryma-jobi Linn.has a long cultivation history as a minor crop in China,however many problems like unclear origin,chaos of varieties,loss and inaccurate use of germplasm resources exist in its research and production because we lack systematic study.In recent years, the importance of coix has been realized after the extract of Coix lacryma-jobi Linn.can help treat and prevent cancer.A superb opportunity has arisen with the rapid development of biotechnology especially the deep-sequencing technique.Thus we presented here the current status of origin and evolution,classification,cytology and molecular biology progress of coix,analyzed the ploidy of coix and the phylogenetic relationship with zea mays,sorghum and so on from cytology aspect,then based on the molecular biology,analyzed the important significance of DNA molecular marker,genetic mapping and gene library in the research of identification of the species phylogenetic relationship and genetic breeding,which could provide useful informations for further coix research.更多还原