文献类型： 外文期刊
作者： Fan, Junmiao 1 ; Cao, Minghao 1 ; Bi, Xiaoyi 1 ; Zhu, Yuxuan 1 ; Gao, Qifei 1 ; Zhang, Liqing 3 ; Liu, Zheng 4 ; Lian, Hongli 1 ; Xu, Pengbo 1 ;
作者机构： 1.Shanghai Jiao Tong Univ, Shanghai Collaborat Innovat Ctr Agriseeds, Sch Agr & Biol, Shanghai 200240, Peoples R China
2.Lishui Univ, Dept Ecol, Lishui 323000, Peoples R China
3.Shanghai Acad Agr Sci, Forestry & Fruit Tree Res Inst, Shanghai 201403, Peoples R China
4.Shanghai Normal Univ, Coll Life Sci, Shanghai Key Lab Plant Mol Sci, Shanghai 201418, Peoples R China
关键词： strawberry; FvNAC073; FvERF3; fruit size; fruit ripening
期刊名称：PLANT JOURNAL （ 影响因子：5.7； 五年影响因子：7.0 ）
ISSN： 0960-7412
年卷期： 2025 年 122 卷 5 期
页码：
收录情况： SCI
摘要： The enlargement and ripening processes of fruit are crucial determinants of size, texture, color, flavor, and other attributes. However, compared to climacteric fruits, research on the key regulatory factors involved in the enlargement and ripening of non-climacteric fruits is limited. In this study, two transcription factors, FvNAC073 and FvERF3, were identified as master regulators for the fruit enlargement and ripening process of strawberry, a non-climacteric fruit. Knockout mutations of FvNAC073 and silencing of FvERF3 resulted in reduced fruit size and delayed fruit ripening. FvNAC073 promotes strawberry fruit expansion by upregulating FvXTH3 (an elongation-specific cell wall hydrolase) and accelerates ripening by inducing FvMYB10 and FvPL1, which regulate anthocyanin biosynthesis and softening, respectively. Additionally, FvNAC073 stimulates the expression of the ABA synthesizing gene FvNCED5, increases ABA content, which further enhances strawberry fruit ripening. Further investigation showed that FvERF3 directly binds to the promoter of FvNAC073, thereby activating FvNAC073 expression to regulate strawberry fruit enlargement and ripening. Our findings uncover that FvNAC073 and FvERF3 form a core regulation module to control the enlargement and ripening of strawberry fruit.
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