What might cause the ~160bp peak in this library prepared using FFPE extracted RNA and Takara SMARTer kit?

I have prepared libraries for RNA-seq using the Takara SMARTer Stranded Total RNA-Seq Kit v2 – Pico Input Mammalian. The input RNA was extracted from FFPE tissue. Some of the final libraries have...

17 June 2019 1,801 2 View