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Potato U-BOX E3 ubiquitin ligase StPUB17 positively regulates the basal immunity against Phytophthora infestans
He Qin,Chen Yanlin,Wang Haixia,Tian Zhendong * #
Key Laboratory of Horticultural Plant Biology, Ministry of Education, Huazhong Agricultural University, Wuhan, Hubei, 430070, China
*Correspondence author
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Funding: The National Natural Science Foundation of China （No.No. 31171603, 31471550), the Research Fund for the Doctoral Program of Higher Education of China）
Opened online:10 December 2015
Accepted by: none
Citation: He Qin,Chen Yanlin,Wang Haixia.Potato U-BOX E3 ubiquitin ligase StPUB17 positively regulates the basal immunity against Phytophthora infestans[OL]. [10 December 2015] http://en.paper.edu.cn/en_releasepaper/content/4668778
 
 
The oomycete pathogen Phytophthora infestans is the causal agent of the late blight disease. Previous StPUB17 was showed to be significantly induced by P. infestans, suggesting it might play a role in the immunity against P.infestans. However, the function of StPUB17 in potato disease defense is unknown. Here, Silencing StPUB17 in potato by RNAi leaded to the enhanced P.infestans colonization, while overexpressing StPUB17 in potato resulted in the reduced P.infestans colonization and showed an enhanced resistance correlated with callose and H2O2 accumulation, potentially suggesting that the E3 ubiquitin ligase StPUB17 may be a positive role in the basal immunity against P.infestans.
Keywords:Potato; late blight; E3 ubiquitin ligase; immunity; disease resistance
 
 
 

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