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Article

Abundant expression of maternal siRNAs is a conserved feature of seed development.

Proceedings of the National Academy of Sciences of the United States of America - 30 Jun 2020

Grover Jeffrey W, Burgess Diane, Kendall Timmy, Baten Abdul, Pokhrel Suresh, King Graham J, Meyers Blake C, Freeling Michael, Mosher Rebecca A

Abstract excerpt

Small RNAs are abundant in plant reproductive tissues, especially 24-nucleotide (nt) small interfering RNAs (siRNAs). Most 24-nt siRNAs are dependent on RNA Pol IV and RNA-DEPENDENT RNA POLYMERASE 2 (RDR2) and establish DNA methylation at thousands of genomic loci in a process called RNA-directed DNA methylation (RdDM). In Brassica rapa, RdDM is required in the maternal sporophyte for successful seed development....

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Identifiers

PMID: 32541052
DOI: 10.1073/pnas.2001332117
PMCID: PMC7334491

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 6 Sept 2026. Manifest publication-graph-cohort-2026-09-06.1.

Source receipt: pubmed, retrieved 6 Sept 2026.

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