Slice and Dice: DCL2 Mediates the Production of 22-nt siRNAs That Influence Trait Variation in Soybean.

In plants, small-interfering RNAs (siRNAs) serve as key regulators of gene expression. Although 24-nucleotide siRNAs are produced by DCL3 and mediate transcriptional silencing of transposons and pericentromeric chromatin through RNA-directed DNA methylation ([Borges and Martienssen, 2015][1]), 22-