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. 2016 May 26;17:403. doi: 10.1186/s12864-016-2745-8

Fig. 1.

Fig. 1

Ion Proton RNA-Seq library preparation workflow. a Life Technologies’ protocol: mRNAs were fragmented by RNaseIII using the Ion Total RNA-Seq Kit V2, only the sense RNA strands (mRNA) were sequenced. b BGI’s protocol: based on chemical (heat) fragmentation. Additional size selection steps were introduced after adaptor ligation