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MicroRNAs in Rice Innate Immunity

AuthorsBaldrich, Patricia ; San Segundo, Blanca
KeywordsDisease resistance
Magnaporthe oryzae
Rice improvement
Issue Date20-Feb-2016
CitationRice 9: 6 (2016)
AbstractMicroRNAs (miRNAs) are short regulatory non-coding RNAs that guide gene silencing in most eukaryotes. They regulate gene expression by triggering sequence-specific cleavage or translational repression of target transcripts. Plant miRNAs are known to play important roles in a wide range of developmental processes. Increasing evidence also supports that the modulation of miRNA levels plays an important role in reprogramming plant responses to abiotic stress (drought, cold, salinity and nutrient deficiency) and biotic stress (antibacterial resistance). Most of these studies were carried out in the model plant Arabidopsis thaliana. During the last years, the adoption of high-throughput sequencing technologies has significantly contributed to uncover multiple miRNAs while allowing miRNA profiling in plants. However, although a plethora of rice miRNAs have been shown to be regulated by pathogen infection, the biological function remains largely unknown for most of them. In this review, we summarize our current understanding on the contribution of miRNAs to rice immunity and discuss their potential applications in rice biotechnology. A better understanding of the miRNA species controlling rice immunity may lead to practical biotechnological applications leading to the development of appropriate strategies for rice protection.
Publisher version (URL)https://doi.org/10.1186/s12284-016-0078-5
Appears in Collections:(CRAG) Artículos
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