Overexpression of Sly-miR172a improved quality of tomato fruit by regulating MADS-box family
文献类型： 外文期刊
作者： Ye, Xiaoyun 1 ; Duan, Wenhui 1 ; Ni, Shen 1 ; Yan, Jingrui 1 ; Zhang, Zhengke 1 ; Meng, Lanhuan 1 ; Yang, Jiali 1 ; Zhu, Lisha 1 ; Song, Hongmiao 1 ; Xu, Xiangbin 1 ; Wang, Qing 2 ;
作者机构： 1.Hainan Univ, Sch Food Sci & Engn, Key Lab Food Nutr & Funct Food Hainan Prov, Haikou 570228, Peoples R China
2.Beijing Acad Agr & Forestry Sci, Natl Engn Res Ctr Vegetables, Beijing Key Lab Fruits & Vegetable Storage & Proc, Beijing 100097, Peoples R China
关键词： Sly-miR172a; AP2; MADS-box; Tomato; Quality
期刊名称：SCIENTIA HORTICULTURAE （ 影响因子：4.2； 五年影响因子：4.6 ）
ISSN： 0304-4238
年卷期： 2024 年 337 卷
页码：
收录情况： SCI
摘要： Fruit development is the key link in the reproductive cycle of plants, which determines the quality, yield and economic value of fruit. The present study investigated the effect of Sly-miR172a on the quality of the tomato fruit. The research results showed that overexpression of Sly-miR172a (OE-miR172a) in tomato fruit efficaciously increased the transverse and longitudinal diameter, weight, pericarp thickness, cell number and cell area. Compared with the wild-type (WT) fruit and the silencing miR172a by short tandem target mimic (STTMmiR172a), the relative expression levels of the MADS-box and the flavonoid biosynthesis synthesis pathway genes were higher in OE-miR172a. The expression level of AP2 and Cytokinin oxidase/dehydrogenase (CKX) family genes in OE-miR172a fruit was decreased, and accumulated more content of soluble sugars, lycopene, carotenoid, total phenol, anthocyanin and total flavonoid. The present study showed that overexpression of SlymiR172 promoted the development and improved quality of tomato fruit.
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