Papaya CpMADS4 and CpNAC3 co-operatively regulate ethylene signal genes CpERF9 and CpEIL5 during fruit ripening
文献类型： 外文期刊
作者： Fu, Chang-Chun 1 ; Chen, Hang-Jun 2 ; Gao, Hai-Yan 2 ; Wang, Shi-Lei 1 ; Wang, Nan 1 ; Jin, Jian-Chang 1 ; Lu, Yin 1 ; Yu 1 ;
作者机构： 1.Zhejiang Shuren Univ, Coll Biol & Environm Engn, Hangzhou 310015, Peoples R China
2.Zhejiang Acad Agr Sci, Key Lab Fruits & Vegetables Postharvest & Proc Te, Key Lab Postharvest Handling Fruits, Food Sci Inst,Minist Agr & Rural Affairs,Key Lab, Hangzhou 310021, Peoples R China
关键词： Papaya; MADS; NAC; Regulate; Fruit ripening
期刊名称：POSTHARVEST BIOLOGY AND TECHNOLOGY （ 影响因子：5.537； 五年影响因子：5.821 ）
ISSN： 0925-5214
年卷期： 2021 年 175 卷
页码：
收录情况： SCI
摘要： MADS box transcription factors (TFs) play important roles in different biological processes, for example, fruit ripening. However, the roles of MADS box TFs in papaya fruit ripening remain a little know. In this study, a novel MADS-box gene was found, named as CpMADS4, and its expression level was decreased during fruit ripening. Protein-protein interaction assays proved that CpMADS4 interacted with CpNAC3. Both CpMADS4 and CpNAC3 had transcriptional activation activities. Moreover, CpMADS4 and CpNAC3 could specifically bind to and activate the promoters of ethylene signal genes CpERF9 and CpEIL5, and the activate activities would be enhanced when both CpMADS4 and CpNAC3 existed at the same time. Ou r results suggested that CpMADS4 might function in fruit ripening through interacting with CpNAC3 and regulating ethylene signal genes CpERF9 and CpEIL5, which provided new views about the functions of papaya MADS box TFs in regulating fruit ripening.
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