文献类型： 外文期刊

作者： Han, Yan-Chao ¹ ; Fu, Chang-Chun ² ;

作者机构： 1.Zhejiang Acad Agr Sci, Key Lab Postharvest Handing Fruits, Key Lab Fruits & Vegetables Postharvest & Proc Te, Inst Food Sci,Minist Agr,Key Lab China Light Ind, Hangzhou 310021, Zhejiang, Peoples R China

2.Zhejiang Shuren Univ, Coll Biol & Environm Engn, Hangzhou 310015, Zhejiang, Peoples R China

关键词： Banana; C2H2; Cold stress; MaICE1; Transcriptional regulation

期刊名称：PLANT CELL REPORTS （ 影响因子：4.57； 五年影响因子：4.463 ）

ISSN： 0721-7714

年卷期： 2019 年 38 卷 5 期

页码：

收录情况： SCI

摘要： Key messageMaC2H2s are involved in cold stress response of banana fruit via repressing the transcription of MaICE1.AbstractAlthough C2H2 zinc finger proteins have been found to be involved in banana fruit ripening through transcriptional controlling of ethylene biosynthetic genes, their involvement in cold stress of banana remains elusive. In this study, another C2H2-ZFP gene from banana fruit was identified, which was named as MaC2H2-3. Gene expression analysis revealed that MaC2H2-1, MaC2H2-2 and MaC2H2-3 were cold inducible in the peel of banana during low temperature storage. MaC2H2-3 functions as a transcriptional repressor and localizes predominantly in nucleus. Particularly, promoters of MaC2H2-2 and MaC2H2-3 were noticeably activated by cold as well, further indicating the potential roles of C2H2 in cold stress of banana. Moreover, MaC2H2-2 and MaC2H2-3 significantly repressed the transcription of MaICE1, a key component in cold signaling pathway. Overall, these findings suggest that MaC2H2s may take part in controlling cold stress of banana through suppressing the transcription of MaICE1, providing new insight of the regulatory basis of C2H2 in cold stress.