作　　者： ; ; ; ;

机构地区： 中国热带农业科学院热带生物技术研究所

出　　处： 《生物技术通讯》 2008年第3期452-455,共4页

摘　　要： 植物体细胞胚胎发生是一个复杂的发育过程,研究者们通过分析植物体细胞胚发生过程中的基因表达或胚性组织和非胚性组织中基因的差异表达,获得了在体细胞胚发生过程不同时期表达的基因,并分析了这些基因在胚胎发生途径中可能的作用。综述了在植物体细胞胚发生过程中细胞周期相关基因、胁迫和激素应答相关基因、信号转导相关基因、晚期胚胎丰富蛋白基因及与体细胞胚发生相关的胞外蛋白基因表达的研究进展。 Somatic embryogenesis in plants is a complex developmental program. Common regulatory mechanisms probably operate in the early stages in embryogenesis and hence, it is possible to investigate somatic embryogenesis either by analysis of the expression of genes in somatic embryos or by analyzing the differential expression of genes in embryogenic and nonembryogenic tissues. Studies have been conducted either to identify the genes expressed and gene products that accumulate specifically during different stages of embryogenesis or to analyze the expression of a variety of genes that probably have some role in the embryogenic pathway. The review is thus an effort to collate information on various somatic embryo-specific genes that have been identified during the last few years.

关 键 词： 体细胞胚 基因 表达 体细胞胚发生

领　　域： [生物学]