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Article

Paramutation of the r1 locus of maize is associated with increased cytosine methylation.

Genetics - 1 Apr 1998

Walker E L

Abstract excerpt

In paramutation two alleles of a gene interact so that one of the alleles is epigenetically silenced. The silenced state is then genetically transmissible for many generations. The large (220 kbp) multigenic complex R-r is paramutable: its level of expression is changed during paramutation. R-r was found to exhibit increases in its level of cytosine methylation (C-methylation) following paramutation. These...

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Identifiers

PMID: 9560410
DOI: 10.1093/genetics/148.4.1973
PMCID: PMC1460097

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Source receipt: pubmed, retrieved 7 Sept 2026.

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Paramutation of the r1 locus of maize is associated with increased cytosine methylation.PMID 9560410Read ↗

Paramutagenicity of a p1 epiallele in maize.Semantic proximity Read ↗

Transcribed enhancer sequences are required for maize p1 paramutation.Semantic proximity Read ↗

Paramutation in maize.Semantic proximity Read ↗

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

Structural features and methylation patterns associated with paramutation at the r1 locus of Zea mays.Semantic proximity Read ↗

Transcriptionally silenced transgenes in maize are activated by three mutations defective in paramutation.Semantic proximity Read ↗

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

mediator of paramutation1 is required for establishment and maintenance of paramutation at multiple maize loci.Semantic proximity Read ↗

Differential chromatin structure within a tandem array 100 kb upstream of the maize b1 locus is associated with paramutation.Semantic proximity Read ↗

Transgene-induced silencing identifies sequences involved in the establishment of paramutation of the maize p1 gene.Semantic proximity Read ↗

RNA-mediated trans-communication can establish paramutation at the b1 locus in maize.Semantic proximity Read ↗

A mutation that prevents paramutation in maize also reverses Mutator transposon methylation and silencing.Semantic proximity Read ↗

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