CAP-RNAseq – an integrated pipeline for functional annotation and prioritization of co-expression clusters

Cluster analysis is one of the most widely used exploratory methods for visualization and grouping of gene expression patterns across multiple samples or treatment groups. Although several existing online tools can annotate clusters with functional terms, there is no all-in-one webserver to effectively prioritize genes/clusters using gene essentiality as well as congruency of mRNA-protein expression. Researchers at Bilkent University have developed CAP-RNAseq that makes possible (1) upload and clustering of bulk RNA-seq data followed by identification, annotation and network visualization of all or selected clusters; and (2) prioritization using DepMap gene essentiality and/or dependency scores as well as the degree of correlation between mRNA and protein levels of genes within an expression cluster. In addition, CAP-RNAseq has an integrated primer design tool for the prioritized genes. The researchers showed using comparisons with the existing tools and multiple case studies that CAP-RNAseq can uniquely aid in the discovery of co-expression clusters enriched with essential genes and prioritization of novel biomarker genes that exhibit high correlations between their mRNA and protein expression levels. CAP-RNAseq is applicable to RNA-seq data from different contexts including cancer.

The workflow of CAP-RNAseq

The workflow of CAP-RNAseq.

Availability – CAP-RNAseq is available at: and the docker image is downloadable from

Vural-Ozdeniz M, Calisir K, Acar R, Yavuz A, Ozgur MM, Dalgıc E, Konu O. (2024) CAP-RNAseq: an integrated pipeline for functional annotation and prioritization of co-expression clusters. Brief Bioinform 25(2):bbad536. [article]

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