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Small RNAs: Efficient and miraculous effectors that play key roles in plant–microbe interactions |
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| Authors: | Chun-Hao Jiang Zi-Jie Li Li-Yu Zheng Yi-Yang Yu Dong-Dong Niu |
| Institution: | 1. Department of Plant Pathology, College of Plant Protection, Nanjing Agricultural University, Nanjing, China;2. Department of Plant Pathology, College of Plant Protection, Nanjing Agricultural University, Nanjing, China
Key Laboratory of Integrated Management of Crop Disease and Pests, Ministry of Education/Key Laboratory of Integrated Pest Management on Crops in East China, Ministry of Agriculture/Key Laboratory of Plant Immunity, Nanjing Agricultural University, Nanjing, China Engineering Center of Bioresource Pesticide in Jiangsu Province, Nanjing, China |
| Abstract: | Plants' response to pathogens is highly complex and involves changes at different levels, such as activation or repression of a vast array of genes. Recently, many studies have demonstrated that many RNAs, especially small RNAs (sRNAs), are involved in genetic expression and reprogramming affecting plant–pathogen interactions. The sRNAs, including short interfering RNAs and microRNAs, are noncoding RNA with 18–30 nucleotides, and are recognized as key genetic and epigenetic regulators. In this review, we summarize the new findings about defence-related sRNAs in the response to pathogens and our current understanding of their effects on plant–pathogen interactions. The main content of this review article includes the roles of sRNAs in plant–pathogen interactions, cross-kingdom sRNA trafficking between host and pathogen, and the application of RNA-based fungicides for plant disease control. |
| Keywords: | cross-kingdom trafficking plant immunity RNA interference (RNAi) plant–pathogen interaction small RNA |