Engineering Apomixis: Clonal Seeds Approaching the Fields.

IF 21.3 1区 生物学 Q1 PLANT SCIENCES Annual review of plant biology Pub Date : 2022-05-20 Epub Date: 2022-02-09 DOI:10.1146/annurev-arplant-102720-013958
Charles J Underwood, Raphael Mercier
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引用次数: 15

Abstract

Apomixis is a form of reproduction leading to clonal seeds and offspring that are genetically identical to the maternal plant. While apomixis naturally occurs in hundreds of plant species distributed across diverse plant families, it is absent in major crop species. Apomixis has a revolutionary potential in plant breeding, as it could allow the instant fixation and propagation though seeds of any plant genotype, most notably F1 hybrids. Mastering and implementing apomixis would reduce the cost of hybrid seed production, facilitate new types of hybrid breeding, and make it possible to harness hybrid vigor in crops that are not presently cultivated as hybrids. Synthetic apomixis can be engineered by combining modifications of meiosis and fertilization. Here, we review the current knowledge and recent major achievements toward the development of efficient apomictic systems usable in agriculture.

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工程无杂交:无性系种子接近田间。
无融合生殖是一种生殖形式,导致克隆种子和后代在遗传上与母株相同。虽然无融合性自然存在于分布在不同植物科的数百种植物中,但在主要作物物种中却不存在。无融合在植物育种中具有革命性的潜力,因为它可以通过任何植物基因型的种子进行即时固定和繁殖,尤其是F1杂交种。掌握和实施无融合生殖将降低杂交种子生产的成本,促进新型杂交育种,并使利用目前未作为杂交作物的杂交活力成为可能。合成无融合可以通过减数分裂和受精的结合来实现。在这里,我们回顾了目前的知识和最近的主要成就,朝着发展高效的无杂交系统可用于农业。
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来源期刊
Annual review of plant biology
Annual review of plant biology 生物-植物科学
CiteScore
40.40
自引率
0.40%
发文量
29
期刊介绍: The Annual Review of Plant Biology is a peer-reviewed scientific journal published by Annual Reviews. It has been in publication since 1950 and covers significant developments in the field of plant biology, including biochemistry and biosynthesis, genetics, genomics and molecular biology, cell differentiation, tissue, organ and whole plant events, acclimation and adaptation, and methods and model organisms. The current volume of this journal has been converted from gated to open access through Annual Reviews' Subscribe to Open program, with all articles published under a CC BY license.
期刊最新文献
Adaptation and the Geographic Spread of Crop Species. Environmental Control of Hypocotyl Elongation. Plant Cryopreservation: Principles, Applications, and Challenges of Banking Plant Diversity at Ultralow Temperatures. Structure and Function of Auxin Transporters. Structural and Evolutionary Aspects of Plant Endocytosis.
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