Genetic basis controlling rice plant architecture and its modification for breeding.

IF 2 4区 农林科学 Q2 AGRONOMY Breeding Science Pub Date : 2023-03-01 DOI:10.1270/jsbbs.22088
Wakana Tanaka, Takaki Yamauchi, Katsutoshi Tsuda
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引用次数: 6

Abstract

The shoot and root system architectures are fundamental for crop productivity. During the history of artificial selection of domestication and post-domestication breeding, the architecture of rice has significantly changed from its wild ancestor to fulfil requirements in agriculture. We review the recent studies on developmental biology in rice by focusing on components determining rice plant architecture; shoot meristems, leaves, tillers, stems, inflorescences and roots. We also highlight natural variations that affected these structures and were utilized in cultivars. Importantly, many core regulators identified from developmental mutants have been utilized in breeding as weak alleles moderately affecting these architectures. Given a surge of functional genomics and genome editing, the genetic mechanisms underlying the rice plant architecture discussed here will provide a theoretical basis to push breeding further forward not only in rice but also in other crops and their wild relatives.

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水稻株型的遗传基础及其育种改良。
茎和根系结构是作物生产力的基础。在人工选择驯化和后驯化育种的历史中,水稻的结构与野生祖先相比发生了重大变化,以满足农业的需要。本文综述了水稻发育生物学的最新研究进展,重点介绍了水稻植株结构的决定因素;芽分生组织,叶,分蘖,茎,花序和根。我们还强调了影响这些结构的自然变异,并在品种中加以利用。重要的是,从发育突变体中鉴定出的许多核心调节因子作为弱等位基因在育种中被用作适度影响这些结构的弱等位基因。随着功能基因组学和基因组编辑的兴起,本文所讨论的水稻植株结构的遗传机制将为进一步推进水稻、其他作物及其野生近缘种的育种提供理论基础。
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来源期刊
Breeding Science
Breeding Science 农林科学-农艺学
CiteScore
4.90
自引率
4.20%
发文量
37
审稿时长
1.5 months
期刊介绍: Breeding Science is published by the Japanese Society of Breeding. Breeding Science publishes research papers, notes and reviews related to breeding. Research Papers are standard original articles. Notes report new cultivars, breeding lines, germplasms, genetic stocks, mapping populations, database, software, and techniques significant and useful for breeding. Reviews summarize recent and historical events related breeding. Manuscripts should be submitted by corresponding author. Corresponding author must have obtained permission from all authors prior to submission. Correspondence, proofs, and charges of excess page and color figures should be handled by the corresponding author.
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