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DE analysis in nascent RNA Seq based on intron sequences

Hi Everyone,

I have nascent RNA-Seq (not spiked) data for multiple conditions and I want to perfom differential expression analysis in the intronic regions to capture nascent differences. After Qc and trimming, I used the STAR for alignment and HTSeq for counting in intronic regions.

I have 2 questions:

  1. I am wandering if the default DESeq2 normalization method (median-of-ratios) is suitable for introns, as it assumes that gene expression is on average constant.

  2. Is the respective pipeline suitable for intron DE?

Thank you in advance!

normalization deseq2 rna-seq nascent

1 answer

Yes, that’s fine; I don’t see why nascent transcripts should be treated differently than mature transcripts in DE analysis.

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