Article
Twenty-four-nucleotide siRNAs produce heritable trans-chromosomal methylation in F1 Arabidopsis hybrids.
Proceedings of the National Academy of Sciences of the United States of America - 1 Nov 2016
Greaves Ian K, Eichten Steven R, Groszmann Michael, Wang Aihua, Ying Hua, Peacock W James, Dennis Elizabeth S
Abstract excerpt
Hybrid Arabidopsis plants undergo epigenetic reprogramming producing decreased levels of 24-nt siRNAs and altered patterns of DNA methylation that can affect gene expression. Driving the changes in methylation are the processes trans-chromosomal methylation (TCM) and trans-chromosomal demethylation (TCdM). In TCM/TCdM the methylation state of one allele is altered to resemble the other allele. We show that Pol...
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