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Redesigning the tomato fruit shape for mechanized production

文献类型： 外文期刊

作者： Zhu, Qiang 1 ; Deng, Lei 1 ; Chen, Jie 4 ; Rodriguez, Gustavo R. 5 ; Sun, Chuanlong 1 ; Chang, Zeqian 1 ; Yang, Tianxia 1 ; Zhai, Huawei 6 ; Jiang, Hongling 1 ; Topcu, Yasin 7 ; Francis, David 8 ; Hutton, Samuel 9 ; Sun, Liang 4 ; Li, Chang-Bao 10 ; van der Knaap, Esther 7 ; Li, Chuanyou 1 ;

作者机构： 1.Chinese Acad Sci, Inst Genet & Dev Biol, Natl Ctr Plant Gene Res Beijing, State Key Lab Plant Genom, Beijing, Peoples R China

2.Univ Chinese Acad Sci, CAS Ctr Excellence Biot Interact, Beijing, Peoples R China

3.Shandong Agr Univ, Coll Life Sci, Tai An, Peoples R China

4.China Agr Univ, Coll Hort, Beijing, Peoples R China

5.Inst Invest Ciencias Agr Rosario IICAR CONICET UNR, Rosario, Argentina

6.Shandong Agr Univ, Coll Hort Sci & Engn, Tai An, Peoples R China

7.Univ Georgia, Inst Plant Breeding Genet & Genom, Athens, GA USA

8.Ohio State Univ, Dept Hort & Crop Sci, Columbus, OH USA

9.Univ Florida, Gulf Coast Res & Educ Ctr, Gainesville, FL USA

10.Beijing Acad Agr & Forestry Sci, Beijing Vegetable Res Ctr, Minist Agr, Key Lab Biol & Genet Improvement Hort Crops North, Beijing, Peoples R China

期刊名称：NATURE PLANTS （ 影响因子：18.0； 五年影响因子：18.6 ）

ISSN： 2055-026X

年卷期： 2023 年

页码：

收录情况： SCI

摘要： Crop breeding for mechanized harvesting has driven modern agriculture. In tomato, machine harvesting for industrial processing varieties became the norm in the 1970s. However, fresh-market varieties whose fruits are suitable for mechanical harvesting are difficult to breed because of associated reduction in flavour and nutritional qualities. Here we report the cloning and functional characterization of fs8.1, which controls the elongated fruit shape and crush resistance of machine-harvestable processing tomatoes. FS8.1 encodes a non-canonical GT-2 factor that activates the expression of cell-cycle inhibitor genes through the formation of a transcriptional module with the canonical GT-2 factor SlGT-16. The fs8.1 mutation results in a lower inhibitory effect on the cell proliferation of the ovary wall, leading to elongated fruits with enhanced compression resistance. Our study provides a potential route for introducing the beneficial allele into fresh-market tomatoes without reducing quality, thereby facilitating mechanical harvesting. FS8.1, a non-canonical GT-2 factor, controls the elongated fruit shape and crush resistance of processing tomatoes. This study provides a potential route to rapidly customize machine-harvestable fresh-market tomatoes without reducing quality values.

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