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郭品品(1992—),女,硕士,研究方向:植物分子生物学。 |
收稿日期: 2019-07-30
要求修回日期: 2019-08-18
网络出版日期: 2019-11-04
基金资助
宁夏农业综合开发科技项目(NTKJ2018-07)
海西州“基层科普行动计划”项目
版权
Progress of Determinate Growth Genes and Gene Editing Breeding
Received date: 2019-07-30
Request revised date: 2019-08-18
Online published: 2019-11-04
Copyright
郭品品 , 任钢 , 李重 , 曾少华 , 德塔娜 , 王瑛 . 植物顶端有限生长相关基因与基因编辑育种研究进展[J]. 热带作物学报, 2019 , 40(10) : 2016 -2021 . DOI: 10.3969/j.issn.1000-2561.2019.10.014
With the increase of labor cost, there will be a gradually transition for the harvesting of fruits and vegetables from manual harvesting to mechanical harvesting. Therefore, developing new compact and mechanical harvest plant varieties with synchronized ripening period has become the main target of genetic improvement. This review summarized the flower development related genes, especially FT and homologous genes controlling the indeterminate and determinate growth at the top of the main stem of plants, and the successful breeding model of promoting the apical flower formation using the CRISPR/CAS9 gene editing system, which leads to the transformation of the top of the main stem into flower development and stops continuing to grow. In addition, gene editing of multiple genes relating to plant apical structure and fruit characters were successfully used for new cultivar development. Apical flower and determinate growth can promote the synchronized fruit ripening and faciliate mechanical harvest, which would provide a theoretical and practical guidance for the future breeding alternating plant structure or plant type.
Key words: plant type; flowering time; determinate growth; gene editing
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