Cytokinin receptor CRE1 is required for the defense response of Nicotiana tabacum to Chilli veinal mottle virus
作者： Wenshan Zou , Lijuan Chen , Jialing Zou , Hongyan Han , Chunyan Fei
DOI: 10.1007/S10725-020-00579-3
关键词:
摘要: As an important phytohormone, cytokinins confer resistance of plants to several fungal and bacterial pathogens. However, the discovery in viral Nicotiana tabacum is seldom reported. In current study, we obtained tobacco CRE1 (cytokinin receptor 1) deficient mutants by Agrobacterium-mediated transformation utilizing recombinant pRNAi-LIC-CRE1. Our conclusions indicated that deficiency increased susceptibility N. Chilli veinal mottle virus (ChiVMV) infection. The mutant displayed both more evident ChiVMV-induced symptom higher transcription level coat protein gene compared wild type (WT) plants. antioxidant metabolism was altered under inoculation. Photosystem damages caused were also severe WT Additionally, expressions defense-related genes induced ChiVMV infection repressed Taken all together, these results suggested required for defense responses
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