林木体细胞胚胎发生机理研究进展

编号 lyqk007916

中文标题 林木体细胞胚胎发生机理研究进展

作者 吴高殷  韦小丽  王晓  刘盈盈  陈胜群 

作者单位 贵州大学林学院, 贵阳 550025

期刊名称 世界林业研究 

年份 2019 

卷号 32

期号 5

栏目编号 1

栏目名称 专题论述 

中文摘要 体细胞胚胎发生技术能够实现优良林木品种的规模化繁育及优良性状保留，为林木扩繁、种质资源保存、遗传改良和机理研究等提供材料。但其仍存在诱导率低、褐化现象严重、愈伤分化困难和再生植株生长较弱等问题。文中从生理生化学、细胞生物学和分子生物学3个方面阐述体胚发生机理，包括内源激素含量、细胞程序性死亡和体胚发生相关基因等，并在当前研究基础上对未来林木体胚发生深入研究进行展望，旨在为建立高效林木体胚发生体系及其机理研究提供参考。

关键词 体细胞胚胎发生  生理生化学  细胞生物学  分子生物学 

基金项目 国家自然科学基金“花榈木根瘤菌多样性及幼苗形成调控因素研究”（31460193）；贵州省高层次创新型人才培养计划“百”层次人才项目“贵州珍贵树种栽培生理生态及精准化育苗技术研究”（黔科合平台人才[2016]5661）；贵州省林业厅项目“贵州优质乡土阔叶树种培育与示范”[黔林科合（2010）重大02]。

英文标题 Research Progress on Mechanism of Somatic Embryogenesis in Forest Trees

作者英文名 Wu Gaoyin, Wei Xiaoli, Wang Xiao, Liu Yingying, Chen Shengqun

单位英文名 College of Forestry, Guizhou University, Guiyang 550025, China

英文摘要 Somatic embryogenesis (SE) is an effective way for large-scale breeding and good traits retention of superior tree species, which provides materials for tree propagation, germplasm conservation, genetic improvement and mechanism research. However, SE still has problems such as low induction rate, severe browning, difficulty of callus differentiation and weak growth of regenerated plants. This paper explains the mechanism of SE from physiological biochemistry, cell biology and molecular biology, including endogenous hormone content, programmed cell death (PCD) and key genes of somatic embryogenesis, and put forward the future development direction of forest tree SE based on current researches, which is aimed at providing references for establishing an efficient system of forest tree SE and related mechanism research.

英文关键词 somatic embryogenesis;physiological biochemistry;cell biology;molecular biology

起始页码 9

截止页码 14

投稿时间 2018/11/13

最后修改时间 2019/5/26

作者简介 吴高殷,男,博士研究生,研究方向为种苗繁育,E-mail:wugaoyin1234@163.com。

通讯作者介绍 韦小丽,教授,博士生导师,研究方向为种苗繁育,E-mail:gdwxl-69@126.com。

E-mail 韦小丽,教授,博士生导师,研究方向为种苗繁育,E-mail:gdwxl-69@126.com。

分类号 S718.43;S718.46

DOI 10.13348/j.cnki.sjlyyj.2019.0046.y

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