Research Report

Viral suppressor HCPro induce the expression of YUC1 in Arabidopsis thaliana  

Taicheng Jin , Chenjing Lang , Yue Wang , Yanju Wu , Dawei Meng , Liping Yang
The School of Life Science, Jilin Normal University, Siping, 136000
Author    Correspondence author
Molecular Plant Breeding, 2020, Vol. 11, No. 6   
Received: 08 Jun., 2020    Accepted: 09 Jun., 2020    Published: 09 Jun., 2020
© 2020 BioPublisher Publishing Platform
This article was first published in Molecular Plant Breeding ( ISSN1672-416X，CN46-1068/S) in Chinese, and here was authorized to translate and publish the paper in English under the terms of Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Abstract
Auxin plays an important role in plant growth and development, viral infection affects host auxin accumulation. In this study, we revealed the molecule mechanism by which the viral suppressor HCPro activated the expression of auxin biosynthetic gene in plants. We transiently expressed the foreign gene GUS and the viral suppressor HCPro in Arabidopsis thaliana by using Agrobacterium-mediated leaf-infection. The results confirmed that HCPro can induce the DNA demethylation of YUC1 gene promoter and activate the gene expression in plants, and provided a basis for study on the molecule mechanism of interaction between virus and host.
Keywords
Arabidopsis thaliana; Leaf-infection; Auxin biosynthetic gene

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