甘薯储藏根形成及其调控机制研究进展

吴银亮1,2, 王红霞1, 杨俊3, 范维娟1, 杨楠1, 殷旻昊4, 张鹏1,2,*
1中国科学院分子植物科学卓越创新中心/植物生理生态研究所植物分子遗传国家重点实验室, 上海200032; 2中国科学院大学, 北京100049; 3中国科学院上海辰山植物科学研究中心/上海辰山植物园上海市资源植物功能基因组学重点实验室, 上海201602; 4河南科技大学农学院, 河南洛阳471003

通信作者:4, 张;E-mail: zhangpeng@sibs.ac.cn

摘 要:

甘薯是世界上重要的粮食作物和经济作物, 在食品、饲料、工业原料等方面有着重要的作用。甘薯储藏根作为最重要的能量储藏器官, 其启始和膨大过程受多方面因素的调控。本文介绍了甘薯根系统的组成和发育过程, 阐述了外界自然环境对甘薯根发育的影响, 从内源性激素及基因表达调控角度分析了甘薯储藏根发育过程中的一系列变化, 归纳总结了影响甘薯储藏根膨大的因素及其可能的内在调控机制, 并展望了今后的研究热点及主要研究方向。

关键词:储藏根; 形态发生; 生长发育; 环境影响; 激素调控; 基因调控

收稿:2017-03-08   修定:2017-04-05

资助:国家自然科学基金(31201254, 31501356)和科技部国家国际科技合作专项(2015DFG32370)。

Advances in storage root development and regulation in sweetpotato [Ipomoea batatas (L.) Lam.]

WU Yin-Liang1,2, WANG Hong-Xia1, YANG Jun3, FAN Wei-Juan1, YANG Nan1, YIN Min-Hao4, ZHANG Peng1,2,*
1National Key Laboratory of Plant Molecular Genetics, CAS Center for Excellence in Molecular Plant Sciences, Institute of Plant Physiology and Ecology, Chinese Academy of Sciences, Shanghai 200032, China; 2University of Chinese Academy of Sciences, Beijing 100049, China; 3Shanghai Key Laboratory of Plant Functional Genomics and Resources, Shanghai Chenshan Plant Science Research Center, Chinese Academy of Sciences, Shanghai Chenshan Botanical Garden, Shanghai 201602, China; 4Henan University of Science and Technology, Luoyang, Henan 471003, China

Corresponding author: ZHANG Peng; E-mail: zhangpeng@sibs.ac.cn

Abstract:

Sweetpotato [Ipomoea batatas (L.) Lam.] is one of the most important food and economic root crops in the world. It plays an important role in food, animal feed and renewable biomaterial industries. As the most desirable organ for energy storage, the root of sweetpotato is elaborately regulated by various factors during tuberous root initiation and expansion. In this review, we introduce the root system and development process of sweetpotato. We also highlight the recent advances in understanding the regulatory mechanism of storage root development by environmental factors, endogenous hormones and gene regulation. The main research direction and hot topics in near future are also projected.

Key words: storage root; morphogenesis; growth and development; environmental effect; hormonal regulation; gene regulation

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