Related Experiment Video
Updated: Aug 10, 2026

05:07
Rup (RNA-seq Usability Assessment Pipeline) - Quality Control for Bulk RNA-seq Experiments in Eukaryotes
Published on: November 7, 2025
Increasing usable reads in RNA-seq protocols
Felix Pförtner1, Eva Briem1, Wolfgang Enard1
1Anthropology and Human Genomics, Faculty of Biology, Ludwig-Maximilians Universität in Munich, Großhaderner Str. 2, Planegg-Martinsried 82152, Germany.
Iscience
|August 9, 2026
Summary
Researchers optimized the prime-seq RNA-seq protocol, increasing usable reads by 60%. This cost-efficient method enhances transcriptomic analysis and offers valuable quality control for RNA sequencing protocols.
Area of Science:
- Molecular Biology
- Genomics
- Bioinformatics
Background:
- RNA sequencing (RNA-seq) is crucial for transcriptomic analysis, but costs limit biological insights.
- Efficient library preparation protocols are vital as sequencing prices decrease.
- Optimizing RNA-seq protocols is key to maximizing data yield within budget constraints.
Purpose of the Study:
- To systematically optimize RNA-seq protocols for increased usable read generation.
- To introduce and validate a "funnel strategy" for protocol optimization.
- To improve the cost-efficiency and data output of bulk RNA-seq.
Main Methods:
- Applied a "funnel strategy" to systematically test critical steps of the prime-seq protocol.
- Tested a total of 1,256 samples across 65 libraries for optimization.
- Focused on optimizing early-barcoding bulk RNA-seq protocols.
Main Results:
- Developed the optimized prime-seq2 protocol.
- Achieved a 60% increase in the number of usable reads compared to the original protocol.
- Demonstrated improved cost-efficiency for bulk RNA-seq.
Conclusions:
- The optimized prime-seq2 protocol significantly enhances usable read output and cost-efficiency.
- Monitoring usable reads is a valuable quality control metric for RNA-seq protocols.
- The study provides insights into experimental condition impacts on RNA-seq library composition.
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