Cited by 511RNA and protein synthesis mechanismsRNA Research and SplicingGenomics and Chromatin Dynamics

The discovery of ribosome heterogeneity and its implications for gene regulation and organismal life

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Genuth, Naomi R., Barna, Maria·2018·Molecular Cell

Abstract

The ribosome has recently transitioned from being viewed as a passive, indiscriminate machine to a more dynamic macromolecular complex with specialized roles in the cell. Here, we discuss the historical milestones from the discovery of the ribosome itself to how this ancient machinery has gained newfound appreciation as a more regulatory participant in the central dogma of gene expression. The first emerging examples of direct changes in ribosome composition at the RNA and protein level, coupled with an increased awareness of the role individual ribosomal components play in the translation of specific mRNAs, is opening a new field of study centered on ribosome-mediated control of gene regulation. In this Perspective, we discuss our current understanding of the known functions for ribosome heterogeneity, including specialized translation of individual transcripts, and its implications for the regulation and expression of key gene regulatory networks. In addition, we suggest what the crucial next steps are to ascertain the extent of ribosome heterogeneity and specialization and its importance for regulation of the proteome within subcellular space, across different cell types, and during multi-cellular organismal development.

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Crossref · 10.1016/j.molcel.2018.07.018

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  • Endurance-oriented stimuli may bias translational machinery toward oxidative metabolism and mitochondrial adaptation, whereas resistance exercise may favor ribosomal configurations more suitable for myofibrillar accretion, offering one explanation for the interference effect.

    “This could offer one explanation for the interference effect observed during concurrent training: rather than entirely suppressing ribosome biogenesis, endurance-oriented stimuli may bias translational machinery toward proteins involved in oxidative metabolism and mitochondrial adaptation, whereas resistance exercise may favor ribosomal configurations more suitable for myofibrillar accretion [188,”

    From Ribosome Biogenesis as a Putative Bottleneck to Skeletal Muscle Hypertrophy: Mechanisms, Human Evidence, and Practical Modulators (2026) · cites this paper as [188]

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  • Hypertrophy depends on the sustained production of large structural and contractile proteins, including myosin heavy chain and titin.

    “Hypertrophy does not simply require increased protein synthesis in a generic sense; it depends on the sustained production of large structural and contractile proteins, including myosin heavy chain and titin [188].”

    From Ribosome Biogenesis as a Putative Bottleneck to Skeletal Muscle Hypertrophy: Mechanisms, Human Evidence, and Practical Modulators (2026) · cites this paper as [188]

    The Structural heterogeneity of the ribosome section (page unavailable) describes changes in ribosomal-protein mRNA abundance after a hypertrophic stimulus, but does not address which proteins hypertrophy requires. Searches for myosin heavy chain, titin, and sustained production found no passage linking hypertrophy to production of those proteins. (LLM, conf=0.76)

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Research works printed but not linked: 1

  1. Leppek K, Das R, and Barna M (2018). Functional 5’ UTR mRNA structures in eukaryotic translation regulation and how to find them. Nat. Rev. Mol. Cell Biol 19, pp. 158– 174. 29165424 PMC5820134

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Authors
Genuth, N. R., & Barna, M.
Affiliations
Stanford University (US)
Corresponding author
Barna, Maria
Venue
Molecular Cell
Publisher
Elsevier BV
Published
2018-08
Volume
71
Issue
3
Pages
364-374
ISSN
1097-2765 (ISSN-L)
OpenAlex
W2886956635
Cited by
511
References
94
Citations by year
2026: 61 · 2025: 76 · 2024: 82 · 2023: 56 · 2022: 65 · 2021: 57 · 2020: 63 · 2019: 38 · 2018: 12 · 2015: 1
FWCI
4.17
Type
journal article
Language
en
Open access
Locations
  • Molecular Cell (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • National Science Foundation (DGE-114747)
  • New York Stem Cell Foundation
  • National Institutes of Health (1R01HD086634)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › RNA and protein synthesis mechanisms
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › RNA Research and Splicing
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Genomics and Chromatin Dynamics
Keywords
ribosome heterogeneity, ribosome biogenesis, ribosomal proteins, ribosomal RNA, proteome regulation, cell type-specific translation, multicellular organism development
MeSH terms
Internal Ribosome Entry Sites, Animals, Gene Expression Regulation, Humans, Ribosomal Proteins, Ribosomes, RNA, RNA, Messenger, Protein Biosynthesis, Gene Regulatory Networks

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