Abstract
The goal of this chapter is to provide a framework of sequential steps for small RNA (sRNA) analysis in filamentous fungi. Here, we present protocols for (1) comparative analysis of sRNAs in different conditions, (2) comparisons of sRNA libraries to RNAseq data and (3) identification and analysis of methylguanosine-capped and polyadenylated sRNAs (CPA-sRNAs). This species of small RNA is particularly interesting in Magnaporthe oryzae, as they map to transcription start and end sites of protein-coding genes. While we do not provide specific command lines for scripts, we provide a general framework for steps needed to carry out all three types of analyses, including relevant references, websites and free online tools. Screenshots are provided from our own customized interface using M. oryzae as an example, to assist the reader in visualizing many of the steps.
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