Related Experiment Video
Updated: May 25, 2026

Global Identification of Co-Translational Interaction Networks by Selective Ribosome Profiling
Published on: October 7, 2021
Revealing stable processing products from ribosome-associated small RNAs by deep-sequencing data analysis
Marek Zywicki1, Kamilla Bakowska-Zywicka, Norbert Polacek
1Innsbruck Biocenter, Medical University Innsbruck, Division of Genomics and RNomics, Fritz-Pregl-Strasse 3, 6020 Innsbruck, Austria. marek.zywicki@i-med.ac.at
Researchers developed APART, a novel computational pipeline for detecting RNA processing products from next-generation sequencing data. This tool identifies novel stable non-coding RNA (ncRNA) molecules and their processing events, aiding transcriptome research.
Area of Science:
- Molecular Biology
- Bioinformatics
- Genomics
Background:
- Current non-protein-coding RNA (ncRNA) transcriptome research primarily focuses on microRNA profiling and novel transcription unit detection.
- RNA processing is increasingly recognized as a multi-layer process generating diverse functional ncRNAs from single transcripts.
- A significant challenge in transcriptome research is the lack of methodologies to differentiate stable functional RNA species from transient degradation byproducts.
Purpose of the Study:
- To present APART, an automated computational pipeline for reliable detection of RNA processing products from next-generation sequencing data.
- To enable the assessment of widespread RNA processing events, a major obstacle in current transcriptome research.
- To identify novel stable ncRNA transcripts and processing products, and annotate known transcripts.
Main Methods:
- Development of an automated computational pipeline named APART.
- Implementation of efficient handling for non-unique sequencing reads.
- Integration of multiple data sources for transcript annotation.
- Analysis of a cDNA library from small ribosome-associated RNAs in Saccharomyces cerevisiae.
Main Results:
- APART successfully detected multiple novel stable RNA molecules.
- These novel RNAs were confirmed by independent experimental methods.
- The detected molecules were differentially processed from known ncRNAs (rRNAs, tRNAs, snoRNAs) in a stress-dependent manner.
- The pipeline demonstrated efficient handling of non-unique reads and annotation capabilities.
Conclusions:
- APART provides a complete workflow for reliable detection of RNA processing products from next-generation sequencing data.
- The pipeline facilitates the discovery of novel stable ncRNA species and processing events.
- APART aids in understanding the complexity of RNA processing and its role in cellular function, particularly under stress conditions.
Related Concept Videos
Ribosome Profiling
Applications of ribosome profiling
Ribosome profiling has many applications, including in vivo monitoring of translation inside a particular organ or tissue type and quantifying new protein synthesis levels.
The technique helps...
RNA-seq
Before the discovery of RNA-seq, microarray-based methods and Sanger sequencing were used for transcriptome analysis. However, while microarray-based...
Ribosomal RNA Synthesis
Ribosome biogenesis begins with the synthesis of 5S and 45S pre-rRNAs by distinct RNA polymerases. The primary transcripts are extensively processed and modified before they are bound and folded by ribosomal proteins and assembly factors,...
Translational Regulation

