Article
Maize RNA PolIV affects the expression of genes with nearby TE insertions and has a genome-wide repressive impact on transcription.
BMC plant biology - 12 Oct 2017
Forestan Cristian, Farinati Silvia, Aiese Cigliano Riccardo, Lunardon Alice, Sanseverino Walter, Varotto Serena
Abstract excerpt
BACKGROUND: RNA-directed DNA methylation (RdDM) is a plant-specific epigenetic process that relies on the RNA polymerase IV (Pol IV) for the production of 24 nucleotide small interfering RNAs (siRNA) that guide the cytosine methylation and silencing of genes and transposons. Zea mays RPD1/RMR6 gene encodes the largest subunit of Pol IV and is required for normal plant development, paramutation, transcriptional...
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