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Int. J. Mol. Sci. 2018, 19(2), 515;

Plant Responses to Pathogen Attack: Small RNAs in Focus

College of Plant Protection, Fujian Agriculture and Forestry University, Fuzhou 350002, China
Department of Botany, Government College University, Faisalabad 38040, Pakistan
College of Crop Sciences, Fujian Agriculture and Forestry University, Fuzhou 350002, China
These authors contributed equally to this work.
Author to whom correspondence should be addressed.
Received: 26 December 2017 / Revised: 4 February 2018 / Accepted: 5 February 2018 / Published: 8 February 2018
(This article belongs to the Collection Regulation by Non-Coding RNAs)
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Small RNAs (sRNA) are a significant group of gene expression regulators for multiple biological processes in eukaryotes. In plants, many sRNA silencing pathways produce extensive array of sRNAs with specialized roles. The evidence on record advocates for the functions of sRNAs during plant microbe interactions. Host sRNAs are reckoned as mandatory elements of plant defense. sRNAs involved in plant defense processes via different pathways include both short interfering RNA (siRNA) and microRNA (miRNA) that actively regulate immunity in response to pathogenic attack via tackling pathogen-associated molecular patterns (PAMPs) and other effectors. In response to pathogen attack, plants protect themselves with the help of sRNA-dependent immune systems. That sRNA-mediated plant defense responses play a role during infections is an established fact. However, the regulations of several sRNAs still need extensive research. In this review, we discussed the topical advancements and findings relevant to pathogen attack and plant defense mediated by sRNAs. We attempted to point out diverse sRNAs as key defenders in plant systems. It is hoped that sRNAs would be exploited as a mainstream player to achieve food security by tackling different plant diseases. View Full-Text
Keywords: non-coding RNA; plant diseases; genetic control; immunity; defense response non-coding RNA; plant diseases; genetic control; immunity; defense response

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Islam, W.; Noman, A.; Qasim, M.; Wang, L. Plant Responses to Pathogen Attack: Small RNAs in Focus. Int. J. Mol. Sci. 2018, 19, 515.

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