水稻育种的新途径：多倍体水稻育种。
A New Way of Rice Breeding: Polyploid Rice Breeding.
作者信息
Chen Rongrong, Feng Ziyi, Zhang Xianhua, Song Zhaojian, Cai Detian
机构信息
School of Life Sciences, Hubei University, Wuhan 430062, China.
Wuhan Polyploid Bio-Technology Co., Ltd., Wuhan 430345, China.
出版信息
Plants (Basel). 2021 Feb 24;10(3):422. doi: 10.3390/plants10030422.
Abstract
Polyploid rice, first discovered by Japanese scientist Eiiti Nakamori in 1933, has a history of nearly 90 years. In the following years, polyploid rice studies have mainly focused on innovations in breeding theory, induction technology and the creation of new germplasm, the analysis of agronomic traits and nutritional components, the study of gametophyte development and reproduction characteristics, DNA methylation modification and gene expression regulation, distant hybridization and utilization among subspecies, species and genomes. In recent years, lines and neo-tetraploid rice lines with stable high seed setting rate characteristics have been successively selected, breaking through the bottleneck of low seed setting rate of polyploid rice. Following, a series of theoretical and applied studies on high seed setting rate tetraploid rice were carried out. This has pushed research on polyploid rice to a new stage, opening new prospects for polyploid rice breeding.
摘要
多倍体水稻由日本科学家中村英一于1933年首次发现，至今已有近90年的历史。在随后的岁月里，多倍体水稻研究主要集中在育种理论创新、诱导技术与新种质创制、农艺性状与营养成分分析、配子体发育与繁殖特性研究、DNA甲基化修饰与基因表达调控、亚种间、种间及基因组间远缘杂交与利用等方面。近年来，相继选育出结实率稳定较高的品系和新型四倍体水稻品系，突破了多倍体水稻结实率低的瓶颈。随后，针对高结实率四倍体水稻开展了一系列理论与应用研究。这将多倍体水稻研究推向了一个新阶段，为多倍体水稻育种开辟了新前景。
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