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Cells 2019, 8(1), 38; https://doi.org/10.3390/cells8010038

RNA Interference: A Natural Immune System of Plants to Counteract Biotic Stressors

College of Horticulture, Northwest A&F University, Yangling 712100, China
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Author to whom correspondence should be addressed.
Received: 26 November 2018 / Revised: 1 January 2019 / Accepted: 7 January 2019 / Published: 10 January 2019
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Abstract

During plant-pathogen interactions, plants have to defend the living transposable elements from pathogens. In response to such elements, plants activate a variety of defense mechanisms to counteract the aggressiveness of biotic stressors. RNA interference (RNAi) is a key biological process in plants to inhibit gene expression both transcriptionally and post-transcriptionally, using three different groups of proteins to resist the virulence of pathogens. However, pathogens trigger an anti-silencing mechanism through the expression of suppressors to block host RNAi. The disruption of the silencing mechanism is a virulence strategy of pathogens to promote infection in the invaded hosts. In this review, we summarize the RNA silencing pathway, anti-silencing suppressors, and counter-defenses of plants to viral, fungal, and bacterial pathogens. View Full-Text
Keywords: RNA interference; AGOs; DCLs; RDRs; pathogens; suppressors; resistance RNA interference; AGOs; DCLs; RDRs; pathogens; suppressors; resistance
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Muhammad, T.; Zhang, F.; Zhang, Y.; Liang, Y. RNA Interference: A Natural Immune System of Plants to Counteract Biotic Stressors. Cells 2019, 8, 38.

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