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AAT Bioquest

What are the similarities between polysome profiling and ribosome profiling?

Posted March 27, 2024


Answer

There are several similarities between polysome profiling and ribosome profiling. One similarity is that both are crucial molecular biology techniques used in research to gain insight in the translation process. By studying how ribosomes interact with mRNA molecules and synthesize proteins, researchers can identify mechanisms involved in gene expression regulation. Another similarity is that they both offer information about translation. Polysome profiling directly quantifies the density of ribosomes bound to each mRNA molecule, providing a direct measure of translational activity in a single assessment. Ribosome profiling offers details of ribosome positions on mRNA transcripts, revealing translation initiation, elongation, and termination processes. Both polysome and ribosome profiling focus on analyzing the translatome, which represents the subset of mRNA molecules undergoing active translation in a cell at a given time. Thus, they are able to quantify their translation rates. Additionally carrying out polysome and ribosome profiling techniques requires expertise to ensure accurate results. Bioinformatics tools are also involved in both polysome and ribosome profiling experiments. These tools are used for sequence alignment, quality control, and statistical analysis of sequencing data. 

Additional resources

An Integrated Polysome Profiling and Ribosome Profiling Method to Investigate In Vivo Translatome

DNA and RNA Quantitation

Helixyte™ Green *10,000X Aqueous PCR Solution*