北京市农林科学院机构知识库

Silencing Sly-miR159 accelerated preharvest ripening and delayed postharvest senescence of tomato fruit

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文献类型：外文期刊

作者： Duan, Wenhui ¹ ; Shan, Shuangshuang ¹ ; Ye, Xiaoyun ¹ ; Ni, Shen ¹ ; Wang, Qing ² ; Zhang, Zhengke ¹ ; Meng, Lanhuan ¹ ; Zhu, Lisha ¹ ; Yang, Jiali ¹ ; Song, Hongmiao ¹ ; Xu, Xiangbin ¹ ;

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-miR159; Fruit; Ripening; Senescence; Ethylene signaling

期刊名称：POSTHARVEST BIOLOGY AND TECHNOLOGY （影响因子：6.8；五年影响因子：7.5 ）

ISSN： 0925-5214

年卷期： 2025 年 219 卷

页码：

收录情况： SCI

摘要： The miR159 is an ancient and highly conserved microRNA (miRNA), which is frequently expressed in various tissues and developmental phases, as well as participated extensively in plant growth by regulating multiple target genes. In the present study, the tomato lines of silencing-miR159 by short tandem target mimic (STTMmiR159) and overexpression-miR159 (OE-miR159) were obtained by Agrobacterium-mediated transformation. The results showed that the OE-miR159 caused male sterility and induced parthenocarpy by decreasing the expression level of SlMYB120. The STTM-miR159 accelerated the preharvest ripening of tomato fruit by increasing the expression level of SlACS8. The STTM-miR159 reduced the accumulation of carotenoids and delayed the postharvest senescence of tomato fruit by affecting the ethylene signaling pathway. This study expanded the cognition of function of miR159-SlACS8/SlMYB120 module in fertility traits, ripening and senescence of tomato fruit.

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