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Article

RNA polymerases IV and V influence the 3' boundaries of Polymerase II transcription units in Arabidopsis.

RNA biology - 1 Feb 2018

McKinlay Anastasia, Podicheti Ram, Wendte Jered M, Cocklin Ross, Rusch Douglas B

Abstract excerpt

Nuclear multisubunit RNA polymerases IV and V (Pol IV and Pol V) evolved in plants as specialized forms of Pol II. Their functions are best understood in the context of RNA-directed DNA methylation (RdDM), a process in which Pol IV-dependent 24 nt siRNAs direct the de novo cytosine methylation of regions transcribed by Pol V. Pol V has additional functions, independent of Pol IV and 24 nt siRNA biogenesis, in...

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Identifiers

PMID: 29199514
DOI: 10.1080/15476286.2017.1409930
PMCID: PMC5798951

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RNA polymerases IV and V influence the 3' boundaries of Polymerase II transcription units in Arabidopsis.PMID 29199514Read ↗

In vitro transcription activities of Pol IV, Pol V, and RDR2 reveal coupling of Pol IV and RDR2 for dsRNA synthesis in plant RNA silencing.Semantic proximity Read ↗

DDR complex facilitates global association of RNA polymerase V to promoters and evolutionarily young transposons.Semantic proximity Read ↗

Spatial and functional relationships among Pol V-associated loci, Pol IV-dependent siRNAs, and cytosine methylation in the Arabidopsis epigenome.Semantic proximity Read ↗

Interplay among RNA polymerases II, IV and V in RNA-directed DNA methylation at a low copy transgene locus in Arabidopsis thaliana.Semantic proximity Read ↗

A conserved Pol II elongator SPT6L mediates Pol V transcription to regulate RNA-directed DNA methylation in Arabidopsis.Semantic proximity Read ↗

Maize RNA PolIV affects the expression of genes with nearby TE insertions and has a genome-wide repressive impact on transcription.Semantic proximity Read ↗

Functional consequences of subunit diversity in RNA polymerases II and V.Semantic proximity Read ↗

Polymerase IV occupancy at RNA-directed DNA methylation sites requires SHH1.Semantic proximity Read ↗

RNA polymerase IV directs silencing of endogenous DNA.Semantic proximity Read ↗

Intergenic transcription by RNA polymerase II coordinates Pol IV and Pol V in siRNA-directed transcriptional gene silencing in Arabidopsis.Semantic proximity Read ↗

Plant nuclear RNA polymerase IV mediates siRNA and DNA methylation-dependent heterochromatin formation.Semantic proximity Read ↗

Reinforcement of silencing at transposons and highly repeated sequences requires the concerted action of two distinct RNA polymerases IV in Arabidopsis.Semantic proximity Read ↗

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