Analyzing ribosome remodeling in health and disease

TL;DR

This paper reviews the challenges and methods for studying ribosome remodeling in health and disease, emphasizing the need for direct protein quantification techniques like mass spectrometry to overcome limitations of transcriptomics.

Contribution

It highlights the inadequacy of transcriptomics for ribosome remodeling studies and advocates for direct protein measurement methods, discussing biases and strategies to improve accuracy.

Findings

Transcriptomics is insufficient for studying ribosome remodeling.

Mass spectrometry enables direct quantification of ribosomal proteins.

Using multiple methods reduces bias and improves reliability.

Abstract

regulation largely unexplored, in part due to methodological limitations. Indeed, we review evidence demonstrating that commonly used methods, such as transcriptomics, are inadequate because the variability in mRNAs coding for ribosomal proteins (RP) does not necessarily correspond to RP variability. Thus protein remodeling of ribosomes should be investigated by methods that allow direct quantification of RPs, ideally of isolated ribosomes. We review such methods, focusing on mass spectrometry and emphasizing method-specific biases and approaches to control these biases. We argue that using multiple complementary methods can help reduce the danger of interpreting reproducible systematic biases as evidence for ribosome remodeling.