Battles and hijacks: noncoding transcription in plants
2015
Ariel, Federico | Romero Barrios, Natali | Jegu, Teddy | Benhamed, Moussa | Crespi, Martin | Institut des Sciences des Plantes de Paris-Saclay (IPS2 (UMR_9213 / UMR_1403)) ; Institut National de la Recherche Agronomique (INRA)-Université Paris-Sud - Paris 11 (UP11)-Université Paris Diderot - Paris 7 (UPD7)-Université d'Évry-Val-d'Essonne (UEVE)-Centre National de la Recherche Scientifique (CNRS) | Division of Biological and Environmental Sciences and Engineering ; King Abdullah University of Science and Technology [Saudi Arabia] (KAUST) | Agence Nationale de la Recherche (ANR RNAdapt) and Saclay Plant Sciences Labex (SPS, ANR-10-LABX-40)
International audience
Show more [+] Less [-]English. Noncoding RNAs have emerged as major components of the eukaryotic transcriptome. Genome-wide analyses revealed the existence of thousands of long noncoding RNAs (IncRNAs) in several plant species. Plant IncRNAs are transcribed by the plant-specific RNA polymerases Pol IV and Pol V, leading to transcriptional gene silencing, as well as by Pol II. They are involved in a wide range of regulatory mechanisms impacting on gene expression, including chromatin remodeling, modulation of alternative splicing, fine-tuning of miRNA activity, and the control of mRNA translation or accumulation. Recently, dual noncoding transcription by alternative RNA polymerases was implicated in epigenetic and chromatin conformation dynamics. This review integrates the current knowledge on the regulatory mechanisms acting through plant noncoding transcription.
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