Article
A Small RNA Pathway Mediates Allelic Dosage in Endosperm.
Cell reports - 19 Dec 2017
Erdmann Robert M, Satyaki Prasad R V, Klosinska Maja, Gehring Mary
Abstract excerpt
Balance between maternal and paternal genomes within the triploid endosperm is necessary for normal seed development. The majority of endosperm genes are expressed in a 2:1 maternal:paternal ratio, reflecting genomic DNA content. Here, we find that the 2:1 transcriptional ratio is, unexpectedly, actively regulated. In A. thaliana and A. lyrata, endosperm 24-nt small RNAs are reduced in transposable elements and...
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