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  • martin.hr
    Junior Member
    • Mar 2016
    • 1

    #1

    Assumption violation: Most genes are differentially expressed

    Hello,

    I have run into this scenario one time too many:

    Most (> 50 %) of genes are differentially expressed (FDR < 0.01) but the assumption for DESeq2 and edgeR is that most genes are not differentially expressed.

    I have tried searching but can't find a proper discussion of this.
    other small threads:
    https://www.biostars.org/p/52183/
    Discussion of next-gen sequencing related bioinformatics: resources, algorithms, open source efforts, etc


    I'm doing bacterial RNA-seq with biological triplicates; 2 different data sets, with many different conditions and in both cases I have had > 50 % DE in most relevant pairwise comparisons.

    Anyone have thought about how problematic violating the assumption would be or have alternative ideas for analysis?

    Thanks.

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