Alignment of tasiRNAs to putative soybean TAS3 genes Glyma09g03730.1 and Glyma15g14670.1. The tasiRNA signatures aligning to Glyma09g03730.1 (A) and Glyma15g14670.1 (B) genomic sequences with 100% accuracy were sorted out from the Bowtie search. Both genes are related although their predicted structures differ. (C) Alignment of miR390a/b to Glyma09g03730.1 and Glyma15g14670.1. (D) Alignment of the most abundant tasiRNAs to two ARF genes, Glyma07g32300.1 and Glyma13g24240.1. Green arrow in (A) and (B) mark the binding site of gma-miR390a/b.