Towards sustainable protection against insect-borne plant viral diseases: Phytohormones and beyond

• 来源期刊: 中国科学基金（英文版）
• 年，卷（期）: 2016,（2）
• 页码范围: 69-80
• 页数: 12页
• 语种: 英文
• DOI: 10.16262/j.cnki.1005-0841.2016.02.002

摘要

Due to the immobility of plants,around 75％ of 1100 plant virus species are piercing-sucking insect transmitted.Host plant-mediated interactions between viruses and insects play vital roles in the population dynamics of vectors and the epidemiology of plant diseases.A successful viral pathogen has to evolve multiple strategies to manipulate host immune responses and also the ecological environment to facilitate effective transmission by insect vectors.Among these strategies,reprogramming the phytohormone signaling pathways is critical to the establishment of an effective virus transmission among plants and disease pandemic.Here,we review recent studies on the plant-virus inter-relationships with a focus on molecular and biochemical mechanisms that drive vector-borne viral diseases.Defense-related phytohormones such as Jasmonic acid (JA),Salicylic acid (SA) and Ethylene (ET) have been reported to be directly regulated by viral proteins.This knowledge is essential for the further design and/or development of effective and sustainable strategies to protect viral damages so as to increase crop yield and food security.Future efforts in this area should be focused on integrating and meta-analysis of big data generating from dynamics and multiple dimensional pathogen-vector-crop interactions under real agricultural conditions to achieve sustainable protection against plant diseases.