Average expression of genes across replicates
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James • 0
@f1538197
Last seen 7 weeks ago
United States

Good day everyone,

The lab i am working in is interested in retrieving the average expression of genes across replicates after finishing performing bulk RNA-Seq using deseq2. Apparently, they are used to this information beside the differential expression list results.

Where i am a little confused is whether this would simply be the normalized counts or the results from rlog/vst?

So, for the normalized counts, i have ran:

normalized_counts <- counts(dds, normalized = TRUE). Since, the normalized count provides counts scaled by size or normalization factors, i imagine this is the average expression of each gene in each replicate.

Your guidance is appreciated thank you.

DESeq2 • 389 views
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ATpoint ★ 4.6k
@atpoint-13662
Last seen 8 hours ago
Germany

Not sure what you're asking. The average expression across all samples is what the baseMean column of results() returns. This is simply the rowMeans of the normalized_counts. With normalized_counts you can take means across any group you like.

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