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Article

RNA polymerase IV functions in paramutation in Zea mays.

Science (New York, N.Y.) - 27 Feb 2009

Erhard Karl F, Stonaker Jennifer L, Parkinson Susan E, Lim Jana P, Hale Christopher J, Hollick Jay B

Abstract excerpt

Plants have distinct RNA polymerase complexes (Pol IV and Pol V) with largely unknown roles in maintaining small RNA-associated gene silencing. Curiously, the eudicot Arabidopsis thaliana is not affected when either function is lost. By use of mutation selection and positional cloning, we showed...

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Source

Identifiers

PMID: 19251626
DOI: 10.1126/science.1164508

Provenance

PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 2 Sept 2026. Prepared record publication-19251626-2026-09-02.2. Manifest publication-graph-cohort-2026-09-02.2.

Source receipt: PubMed via Helena Literature Corpus, retrieved 2 Sept 2026.

Related research

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Research trail→

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RNA polymerase IV functions in paramutation in Zea mays.PMID 19251626Read ↗

Trans-Homolog Interactions Facilitating Paramutation in Maize.Semantic proximity Read ↗

Locus-specific paramutation in Zea mays is maintained by a PICKLE-like chromodomain helicase DNA-binding 3 protein controlling development and male gametophyte function.Semantic proximity Read ↗

A dominant mutation in mediator of paramutation2, one of three second-largest subunits of a plant-specific RNA polymerase, disrupts multiple siRNA silencing processes.Semantic proximity Read ↗

Paramutation in maize and related behaviors in metazoans.Semantic proximity Read ↗

Diversity of Pol IV function is defined by mutations at the maize rmr7 locus.Semantic proximity Read ↗

An RNA-dependent RNA polymerase is required for paramutation in maize.Semantic proximity Read ↗

A null allele of the pol IV second subunit impacts stature and reproductive development in Oryza sativa.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 ↗

Paramutation in maize: RNA mediated trans-generational gene silencing.Semantic proximity Read ↗

AGO104 is a RdDM effector of paramutation at the maize b1 locus.Semantic proximity Read ↗

Maize RNA polymerase IV defines trans-generational epigenetic variation.Semantic proximity Read ↗

Loss of RNA-dependent RNA polymerase 2 (RDR2) function causes widespread and unexpected changes in the expression of transposons, genes, and 24-nt small RNAs.Semantic proximity Read ↗

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