Pre-miRNA degradation by TN/TX competes with pre-miRNA processing by Dicer/TRBP in vivo.
(A) Immunoblotting performed with testis extracts from two pairs of wild type (wt) and translin (tn) −/− mice.
(B) Pre-miRNA processing assays performed with 25 μg of testis extract from two pairs of wt and tn−/− mice.
(C) Northern blotting performed with cerebellar RNA from two pairs of wt and tn−/− mice. Blots were hybridized with probes for miR-409 and 5s rRNA.
(D) Quantitative analysis of primary (pri-), precursor (pre-) and mature miR-409 from wt (black bars) and tn−/− mice (gray bars). * indicates greater than wt (p ≤ 0.02; n = 3; means ± SD). See also Table S3.